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ALCOA INC (AA)

Alcoa, Inc. produces primary aluminum, fabricated aluminum, and alumina. It also markets consumer brands to its customers. The company offers flat rolled products, including sheet and plate, foil products, and can reclamation products; engineered products that include aerospace products, auto components, architectural extrusions, castings, extrusion, tube, and fasteners; and packaging and consumer products, which include consumer products, flexible packaging products, closures, machinery, graphics, food service packaging, protective packaging, polymerization, and extrusion. The company's other products include telecommunications, auto engineering, and home exteriors. In addition, Alcoa offers nonaluminum products, including precision castings, industrial fasteners, vinyl siding, consumer products, food service and flexible packaging products, plastic closures, and electrical distribution systems for cars and trucks. Its products are used in aircraft, automobiles, commercial transportation, packaging, consumer products, building and construction, and industrial applications. The company has operations in Asia, Australia, Europe, South America, and the United States. Alcoa has strategic partnership with Ferrari S.p.A. to develop aluminum spaceframe technology for Ferrari vehicles; and a joint venture with CITIC. The company was formed in 1888 and is based in Pittsburgh, Pennsylvania.


ANGLO AMERICAN PLC (AAUK)

No description available.


BARRICK GOLD CORPORATION (ABX)

Barrick Gold Corporation operates as a gold mining company with operating and development properties in the United States, Canada, Australia, Peru, Chile, Argentina, and Tanzania. The company has 100% interest in Goldstrike Property, Nevada; Eskay Creek Mine, British Columbia; Holt-McDermott Mine, Ontario; Pierina Mine, Peru; Plutonic Mine, Western Australia; Darlot Mine, Western Australia; Lawlers Mine, Western Australia; and Bulyanhulu Mine, Tanzania. Barrick Gold also has interests in various other properties, such as Round Mountain Mine, Nevada; Hemlo Property, Ontario; Marigold Mine, Nevada; Kalgoorlie Mine, Western Australia; and Kalgoorlie Mine, Western Australia. As of December 31, 2004, it had 89.1 million ounces of total proven and probable gold and mineral reserves. The company was founded in 1983 and is headquartered in Toronto, Canada.


ARCH COAL INC (ACI)

Arch Coal, Inc. engages in mining, processing, and marketing compliance and low-sulfur coal from mines located in the eastern and western United States. As of December 31, 2004, the company operated or controlled 27 mines and controlled approximately 3.7 billion tons of proven and probable coal reserves. The company sells its coal to producers of electric power, steel producers, and industrial facilities. Arch Coal is headquartered in St. Louis, Missouri.


AGNICO-EAGLE MINES LIMITED (AEM)

Agnico-Eagle Mines Limited engages in the mining, exploration, and development of gold properties in northwestern Quebec, Canada; the western United States; and Northern Mexico. It has three divisions: LaRonde, Regional Development, and Exploration. The LaRonde division consists of the LaRonde Mine and the adjacent El Coco and Terrex properties, each of which is 100% owned and operated by the company. The LaRonde Mine is situated approximately 35 miles west of the City of Val d'Or in northwestern Quebec in the municipalities of Preissac and Cadillac. As of December 31, 2004, this division had proven and probable mineral reserves of approximately 5.1 million ounces of contained gold. The Regional Development division focuses on the development and management of the company's advanced projects in the Abitibi region. It is responsible for operations in the LaRonde II, Lapa, and Goldex projects. The Exploration division focuses its activities primarily on the identification of new mineral reserve, mineral resource, and development opportunities in the proven producing regions of Canada, with a particular emphasis on northwestern Quebec. It manages exploration on 56 properties in central and eastern Canada, and the western United States, including properties acquired from Contact Diamond Corporation. In addition, Agnico-Eagle Mines, has interest in the Suurikuusikko gold deposit in Finland; and Pinos Altos project, located on a 27,000 acre property in the Sierra Madre gold belt, 170 miles west of the city of Chihuahua in northern Mexico. The company was founded in 1953 and is based in Toronto, Canada.


APOLLO GOLD CORPORATION (AGT)

Apollo Gold Corporation engages in the exploration, development, extraction, processing, refining, and production of gold and other by-product metals, as well as in the related activities. As of September 30, 2005, the company owned and operated the Montana Tunnels Mine, an open pit mine and mill, producing gold ore and lead-gold and zinc-gold concentrates located in the State of Montana. As of the above date, it also owned the Diamond Hill Mine, under care and maintenance, in the State of Montana. In addition, the company has a development property, the Black Fox Project, which is located near the Township of Matheson in the Province of Ontario, Canada. It also owns Mexican subsidiaries, which own or have the right to acquire concessions at the Huizopa exploration project, located in the Sierra Madre gold belt in Chihuahua, Mexico. The company operates principally in the United States and Canada. Apollo Gold was founded in 1936 and is based in Greenwood Village, Colorado.


ASSURANT INC (AIZ)

Assurant, Inc., a holding company, provides specialized insurance products and related services worldwide. The company operates in four segments: Assurant Solutions, Assurant Health, Assurant Employee Benefits, and Assurant PreNeed. The Assurant Solutions segment develops, underwrites, and markets specialty insurance products and services through financial institutions, mortgage lenders and servicers, retailers, manufactured housing and automobile dealers, utilities, and other entities in North America, the Caribbean, South America, and Europe. The Assurant Health segment writes of individual and short-term major medical health insurance. It also provides small employer group health insurance to employer groups primarily of two to fifty employees in size, and health insurance plans to full-time college students. This segment offers individual health insurance products and small employer health insurance products. The Assurant Employee Benefits segment offers group dental benefit plans sponsored by employers and funded through payroll deductions based on the number of master contracts in force. It also provides disability and term life insurance products and related services to small and medium-sized employers based on number of master contracts in force. This segment offers group dental, group disability insurance, and group term life insurance. The Assurant PreNeed segment offers prefunded funeral insurance products to consumers over the age of 65 and with an average issue age of 72. Its products provide benefits to cover the costs incurred in connection with prearranged funeral contracts. The segment distributes its products primarily through funeral homes. The company serves financial institutions, mortgage lenders and servicers, retailers, manufactured housing and automobile dealers, utilities, and other entities, as well as funeral homes and selected third-party general agencies. Assurant is headquartered in New York City.


AK STEEL HOLDING CORPORATION (AKS)

AK Steel Holding Corporation (ASHC), through its wholly owned subsidiary, AK Steel Corporation, produces flat-rolled carbon, stainless and electrical steels, and tubular products in the United States. The company produces flat-rolled carbon steels, including coated, cold-rolled, and hot-rolled products, as well as specialty stainless and electrical steels that are sold in slab, hot band, and sheet and strip forms. It sells flat-rolled carbon steels primarily to automotive manufacturers and to customers in the appliance, industrial machinery and equipment, and construction markets. The company's coated, cold rolled, and hot rolled carbon steel products are also sold to distributors, service centers, and converters, who may further process these products prior to reselling them. ASHC sells its stainless steel products primarily to customers in the automotive industry, as well as to manufacturers of food handling, chemical processing, pollution control, and medical and health equipment. Electrical steels are sold primarily to manufacturers of power transmission and distribution transformers, electrical motors and generators, and lighting ballasts. The company, through AK Tube LLC, also further finishes flat-rolled carbon and stainless steel into welded steel tubing used in the automotive, large truck, and construction markets, as well as by European trading companies that buy and sell steel and steel products. AK Steel Holding is headquartered in Middletown, Ohio.


ALTAIR NANOTECHNOLOGIES INC (ALTI)

Altair Nanotechnologies, Inc. engages in the development and commercialization of nanomaterial and titanium dioxide pigment technologies. It also provides contract research services on selected projects. The company operates in two segments, Life Sciences and Performance Materials. The Life Sciences segment produces pharmaceutical products, cosmetics, drug delivery products, dental materials, and other medical products. The Performance Materials segment produces materials for paints, coatings, sensors, alternative energy devices, and materials for improving process technologies. It also focuses on advanced materials for alternative energy, such as high performance batteries, fuel cell, and photovoltaics; and other high performance material applications. The company was incorporated in 1973 under the name of Diversified Mines Limited and changed its name to Tex-U.S. Oil & Gas, Inc. in 1981. It changed its name to Orex Resources, Ltd. in 1986; Carlin Gold Company, Inc. in 1988; Altair International Gold, Inc. in 1994; and Altair International, Inc. in 1996. Further, the company changed its name to Altair Nanotechnologies, Inc. and redomesticated from the Ontario Business Corporations Act to the Canada Business Corporations Act in 2002. The company is headquartered in Reno, Nevada.


ALLIANCE RESOURCE PARTNERS L.P (ARLP)

Alliance Resource Partners, L. P. engages in the production and marketing of steam coal to utilities and industrial users in the United States. The company's mining activities are organized into three regions: the Illinois Basin operations, the East Kentucky operations, and the Maryland operations. The Illinois Basin mining operations are located in western Kentucky, southern Illinois, and southern Indiana. The East Kentucky mining operations are located in the central Appalachia coal fields, which produce low-sulfur coal, and operate two mining complexes. The Maryland mining operation is located in the northern Appalachia coal fields. The company also offers ash and scrubber sludge removal, coal yard maintenance, and arranging alternate transportation services. In addition, Alliance Resource Partners resells coal primarily to utility customers. As of December 31, 2004, the company had approximately 442.4 million tons of proven and probable coal reserves in Illinois, Indiana, Kentucky, Maryland, and West Virginia. Alliance Resource Management GP, LLC and Alliance Resource GP, LLC serve as the general partners of the company. Alliance Resource Partners, L.P., was formed in 1999 and is headquartered in Tulsa, Oklahoma.


ASA LIMITED (ASA)

ASA (Bermuda) Limited operates as a closed-end investment company. The company invests in a portfolio consisting primarily of stocks of companies conducting gold mining and related activities in South Africa. ASA (Bermuda) was organized in 1958 and is based in Buffalo, New York.


ALLEGHENY TECHNOLOGIES INCORPORATED (ATI)

Allegheny Technologies Incorporated produces a range of specialty materials for global markets. It operates in three segments: Flat-Rolled Products, High Performance Metals, and Engineered Products. The Flat-Rolled Products segment produces, converts, and distributes stainless steel, nickel-based alloys, and titanium and titanium-based alloys, in various product forms, including plate, sheet, strip, engineered strip, and precision rolled strip products, as well as silicon electrical steel sheet, and tool steels. The company's High Performance Metals segment produces, converts, and distributes a range of high performance alloys, including nickel and cobalt based alloys, and superalloys; titanium and titanium-based alloys; exotic alloys, such as zirconium, hafnium, niobium, nickel-titanium, tantalum, and their related alloys; and other specialty materials, primarily in long product forms, such as ingot, billet, bar, rod, wire, and seamless tube. The Engineered Products segment engages primarily in the production of tungsten powder, tungsten heavy alloys, tungsten carbide materials, and carbide cutting tools. It also produces carbon alloy steel impression die forgings, large grey and ductile iron castings, and provides precision metals processing services. The company primarily offers its products to aerospace, construction and mining, chemical processing, oil and gas, automotive, electrical energy, food processing equipment and appliances, machine and cutting tools, transportation, medical, and defense industries. It markets it products in the United States, the United Kingdom, Germany, France, Canada, China, and Japan. Allegheny Technologies is based in Pittsburgh, Pennsylvania.


ANGLOGOLD ASHANTI LTD (AU)

AngloGold Ashanti Limited operates as a gold producer. Its operations comprise open-pit and underground mines, and surface reclamation plants located in South Africa, the United States, Argentina, Australia, Brazil, Ghana, Guinea, Mali, Namibia, Tanzania, and Zimbabwe. As of December 31, 2004, the company had approximately 79 million ounces of proven and probable gold ore reserves. In addition, it sells silver, uranium oxide, and sulphuric acid. AngloGold Ashanti has an exploration alliance with Westmag, Ltd. to undertake regional gold prospectivity assessments and project opportunity reviews from eastern Europe to Iran, incorporating the Pontides and Caucasus belts, using matching funding. The company was incorporated in 1944 and is headquartered in Johannesburg, South Africa.


AUGUSTA RESOURCE CORPORATION (AZC)

Augusta Resource Corporation, through its subsidiaries, engages in the acquisition, exploration, and development of mineral properties in Canada. It holds interests in Rosemont property located in Pima County, Arizona, which consists of an open-pit copper-molybdenum-silver deposit; and Mount Hamilton and shell properties located in White Pine County, Nevada. The company was founded as Hol-Lac Gold Mines, Limited in 1937 and changed its name to Augusta Resource Corporation in 1997. Augusta Resource Corporation is headquartered in Vancouver, Canada.


DYNAMIC MATERIALS CORPORATION (BOOM)

Dynamic Materials Corporation engages in metalworking business in North America, western Europe, Australia, and the Far East. The company operates in two segments, Explosive Metalworking and Aerospace. The Explosive Metalworking segment utilizes explosives to perform metal cladding and shock synthesis. Its principal product is a explosion welded clad metal plate, which is used in the construction of heavy, corrosion resistant pressure vessels, and heat exchangers for petrochemical, refining, and hydrometallurgy industries. The Aerospace segment provides welding services principally to the commercial and military aircraft engine markets, and to the power generation industry. Dynamic Materials Corporation was incorporated in Colorado in 1971. It was formerly known as Explosive Fabricators, Inc. The company is headquartered in Boulder, Colorado.


COMPANIA MINA BUENAVENTURA S.A (BVN)

Compania de Minas Buenaventura S.A.A. engages in the mining, processing, development, exploration, and sale of gold, silver, and other metals in Peru. The company operates three mines, including Julcani, Orcopampa, and Uchucchacua; and has controlling interests in three mining companies, which have controlling interests in the Antapite, Colquijirca, Ishihuinca, Shila, and Paula mines. It also owns an electric power transmission company that provides electric power to the company and to other mining companies in the area, as well as owns an engineering services consulting company that provides mining sector geological, engineering, design, and construction consulting services. In addition, the company owns a 43.65% interest in Minera Yanacocha S.R.L., which operates a gold mine in South America; and various other mining companies. Compania de Minas Buenaventura was established in 1953 and is based in Lima, Peru.


BRUSH ENGINEERED MATERIALS INC (BW)

Brush Engineered Materials, Inc. manufactures high-performance engineered materials serving the telecommunications and computer, magnetic and optical data storage, automotive electronics, industrial components, aerospace and defense, and appliance markets. It operates in two segments, The Metal Systems Group and The Microelectronics Group. The Metal Systems Group segment manufactures and sells copper and nickel-based alloy systems; offers beryllium, AlBeMet, and E-materials for use in the aerospace, defense, medical and industrial X-ray equipment, optical scanning, and automation markets; and provides engineered material systems, which are used in electronic and electrical components in telecommunications systems, automotive electronics, semiconductors, and computers. The Microelectronics Group segment manufactures and fabricates precious and nonprecious metal, and specialty metal products for the magnetic and optical data storage, medical, wireless, semiconductor, photonic, and hybrid segments of the microelectronics market. It primarily offers vapor deposition materials, clad and precious metals preforms, high temperature braze materials, ultra fine wire, and sealing lids for the semiconductor/hybrid markets and restorative dental alloys. The company offers its products principally through its sales force, independent distribution centers, and sales representatives primarily in the United States, western Europe, Canada, and the Pacific Rim. Brush Engineered Materials is based in Cleveland, Ohio.


CANYON RESOURCES CORPORATION (CAU)

Canyon Resources Corporation engages in the exploration, acquisition, development, and mining of precious metal and other mineral properties. The company conducts various phases of mining, including early stage exploration, exploration drilling, development drilling, feasibility studies and permitting, construction, operation, and final closure of mining properties. It has gold production operations in the western United States. Canyon Resources owns Briggs Mine, located on the west side of the Panamint Range, near Death Valley, in California. It also conducts exploration activities in Latin America and Africa. The company focuses on precious metals, such as gold and silver. Canyon Resources was organized in 1979 and is based in Golden, Colorado.


CAMECO CORPORATION (CCJ)

Cameco Corporation engages in the exploration, development, mining, refining, and conversion of uranium worldwide. It operates in four segments; Uranium, Conversion Services, Nuclear Electricity Generation, and Gold. The Uranium segment involves in the exploration, mining, milling, purchase, and sale of uranium concentrate. This segment operates four mines in Canada and the United States, as well as two mines under development in Canada and central Asia. The Conversion Services segment engages in the refining and conversion of uranium concentrate, and offers conversion services. It operates as a commercial converter of uranium concentrates to uranium hexafluoride, as well as a commercial supplier of services to convert uranium concentrates to uranium dioxide in the western world. The Nuclear Electricity Generation segment involves in the generation and sale of electricity. This segment has a 31.6% limited partnership interest in Bruce Power LP, which operates nuclear electricity generating facility in North America. The Gold segment engages in the exploration, mining, milling, and sale of gold. The company owns 52.7% of Centerra Gold, Inc., which has 100% interest in the Kumtor gold mine in the Kyrgyz Republic, and 95% interest in the Boroo gold mine in Mongolia. Cameco is headquartered in Saskatoon, Canada.


COEUR DALENE MINES CORPORATION (CDE)

Coeur d'Alene Mines Corporation, through its subsidiaries, engages in the operation, ownership, development, and exploration of silver and gold mining properties primarily in the United States, South America, and Africa. The company's primary operating properties include Rochester Mine, a silver and gold surface mining operation in northwestern Nevada; the Galena underground silver mine in the Coeur d'Alene Mining District of Idaho; the Cerro Bayo Mine, which is a high grade gold and silver underground mine in southern Chile; and the Martha mine in Argentina. Its other properties include the Caladay property; the San Bartolome project, which is a silver property in Bolivia; and the Kensington Property in Alaska. The company is based in Coeur d'Alene, Idaho.


CENTURY ALUMINUM COMPANY (CENX)

Century Aluminum Company produces primary aluminum products in the United States. The company, through its facilities, produces primary aluminum in various shapes and alloys, including molten and sow aluminum, ingot, extrusion billet, rolling ingot, rolling slabs, and horizontal direct chill ingot for the electrical conductor market, remelt ingot market, and high-purity ingot market. As of December 31, 2004, it had 49.7% ownership interest in the Mt. Holly facility in Mt. Holly, South Carolina; a 50% joint venture interest in the Gramercy alumina refinery in Gramercy, Louisiana; and a 50% joint venture interest in bauxite mining operations in Jamaica, as well as owned the Nordural facility in Grundartangi, Iceland; the Hawesville facility, in Hawesville, Kentucky; and the Ravenswood facility in Ravenswood, West Virginia. The company is based in Monterey, California.


CLEVELAND-CLIFFS INC (CLF)

Cleveland-Cliffs, Inc. produces iron ore pellets in North America. The company manages and owns interests in North American mines; and owns ancillary companies, providing transportation and other services to the mines. It operates six iron ore mines located in Michigan, Minnesota, and eastern Canada. The company manufactures 13 grades of iron ore pellets, including standard, fluxed, and high manganese, for use in its customer's blast furnaces as part of the steel making process. It sells its pellets to integrated steel companies in the United States and Canada. Cleveland-Cliffs was founded in 1847 and is headquartered in Cleveland, Ohio.


CONSOL ENERGY INC (CNX)

CONSOL Energy Inc. engages in the production of multifuel energy and provision of energy services primarily to electric power generation industry in the United States. The company has two units, Coal and Gas. The company's Coal unit engages in the mining, preparation, and marketing of steam coal, sold primarily to power generators; and metallurgical coal, sold to metal and coke producers. This unit includes three segments: Northern Appalachian, Central Appalachian, and Metallurgical. Each of these segments includes several operating mines. The Northern Appalachian segment includes Shoemaker, Blacksville #2, Robinson Run, McElroy, Bailey, Loveridge, Enlow Fork, and Mine 84 mines. The Central Appalachian segment includes Jones Fork, Mill Creek, and Wiley-Mill Creek mines. The Metallurgical segment includes Buchanan, Amonate, Miles Branch, and V.P. #8 mines. CONSOL's Gas unit produces coalbed methane gas for sale primarily to gas wholesalers from its coal properties in Pennsylvania, Virginia, and West Virginia. The company sells coal through agents, brokers, and unaffiliated trading companies. In addition, CONSOL provides energy services, including terminal services, industrial supply services, and coal waste disposal services. As of December 31, 2004, it had approximately 4.5 billion tons of proven and probable coal reserves. CONSOL Energy, Inc. was founded in 1991 and is based in Pittsburgh, Pennsylvania.


CARPENTER TECHNOLOGY CORPORATION (CRS)

Carpenter Technology Corporation engages in the manufacture, fabrication, and distribution of specialty metals and engineered products. Its Specialty Metals segment offers stainless steels; titanium; high temperature alloys; electronic alloys; tool steels; and other alloys in billet, bar, wire, rod, strip, and powder forms. The Engineered Products segment engages in the manufacture and sale of structural ceramic products and ceramic cores for the investment casting industry and custom shaped bar. The company also produces metal powders and fabricated metal products. Its products are used in aircraft, medical devices, sporting equipment, and chemical and petroleum processing. Carpenter Technology distributes its products through its service centers and distribution centers located worldwide. The company was founded in 1889 and is headquartered in Reading, Pennsylvania.


DRDGOLD LIMITED (DROOY)

DRDGOLD Limited operates as a gold mining company. It engages in underground and surface gold mining, including exploration, extraction, processing, and smelting. The company's South African Operations include deep-level Blyvooruitzicht Section, East Rand Proprietary Mine Section, and Crown Section. DRDGOLD Limited Australasian Operations include Tolukuma Section and 20% interest in the unincorporated Porgera Joint Venture, which are in Papua New Guinea; and 45.33% interest in Emperor Mines Limited, as of July 30, 2004, which owns the Vatukoula gold mine in Fiji. It also has exploration projects in South Africa, Papua New Guinea and Australia. The company was founded in 1895 as Durban Roodepoort Deep, Limited and is based in Randburg, South Africa.


FREEPORT-MCMORAN COPPER & GOLD INC (FCX)

Freeport-McMoRan Copper & Gold, Inc., through its subsidiaries, engages in the exploration, mining, and production of copper, gold, and silver. It also smelts and refines copper concentrates in Spain, as well as markets the refined copper products. The company primarily operates the Grasberg open pit and the Deep Ore Zone mines in Indonesia. In addition, Freeport-McMoRan has interests in various undeveloped ore bodies, such as underground Grasberg, Kucing Liar, Mill Level Zone, Deep Mill Level Zone, Ertsberg Stockwork Zone, Big Gossan, and the Dom. As of December 31, 2004, it had 2,769,102 metric tons of proven and probable recoverable ore reserves. The company markets its copper, gold, and silver products worldwide. Freeport-McMoRan is based in New Orleans, Louisiana.


FRIEDMAN INDUSTRIES INC (FRD)

Friedman Industries, Incorporated engages in pipe manufacturing and processing, steel processing, and steel and pipe distribution. It purchases hot-rolled steel coils; processes the coils into flat, finished sheet, and plate; and sells these products on a wholesale basis. The Company also processes customer-owned coils on a fee basis. In addition, Friedman Industries manufactures, purchases, processes, and markets tubular products, primarily line and oil country pipe. The company sells coil products through its own sales force to steel distributors and customers fabricating steel products, located primarily in the midwestern, southwestern, and southeastern sections of the United States. Friedman Industries sells its tubular products to steel and pipe distributors, piling contractors, and Lone Star Steel Company. The company was incorporated in 1965 and is based in Houston, Texas.


GREAT BASIN GOLD LTD (GBN)

Great Basin Gold, Ltd. engages in the exploration of mineral property interests principally in Nevada, the United States, and the Republic of South Africa. The company owns the Ivanhoe Gold-Silver Property on the Carlin Trend in Nevada, the United States; and the Burnstone Gold Project in the Witwatersrand goldfield in South Africa. It also holds the Casino copper-gold project, located in the Yukon Territory, Canada. Great Basin Gold is based in Vancouver, Canada.


GOLD FIELDS LTD (GFI)

Gold Fields Limited engages in the exploration, extraction, processing, and smelting of gold primarily in South Africa, Ghana, and Australia. It owns Driefontein operation that consists of seven shaft systems and three gold plants in Gauteng Province near Carletonville; Kloof operation, which consists of five shaft systems and two gold plants in Gauteng Province; and Beatrix operation with four shaft systems and two gold plants in Free State Province near Welkom and Virginia. The company also owns Tarkwa mine, which comprises various open pit operations with two heap leach recovery facilities, and a SAG mill and CIL plant; and Damang mine, which consists of open pit operations with a CIL plant in southwestern Ghana. In addition, it holds interests in St. Ives and Agnew mines located in the state of Western Australia. As of June 30, 2005, Driefontein operation produced 1.2 million ounces of gold; Kloof produced 1.0 million ounces of gold; Beatrix operation produced 0.6 million ounces of gold; Tarkwa and Damang mines produced 0.9 million ounces of gold; St. Ives and Agnew mines produced 0.7 million ounces of gold. The company also engages in the exploration of platinum group metals in Finland. Gold Fields was incorporated in 1968 and is headquartered in Johannesburg, South Africa.


GOLDCORP INCORPORATED (GG)

Goldcorp, Inc. engages in the acquisition, exploration, and operation of precious metal properties in North and South America, and in Australia. The company owns one gold deposit, Red Lake mine, located in Ontario, Canada. It also has 100% interests in the Luismin gold/silver mines in Mexico; Peak gold mine in Australia; and Wharf gold mine in South Dakota, the United States. In addition, the company has a 37.5% interest in the Alumbrera gold/copper mine in Argentina. Goldcorp is headquartered in Vancouver, Canada.


GERDAU S.A (GGB)

Gerdau S.A. engages in the production and distribution of crude steel and related long rolled products, drawn products, and long specialty products. The company produces steel based on the minimill concept, whereby steel is produced in electric arc furnaces from scrap and pig iron. Gerdau also produces steel from iron ore. The company manufactures steel products for use by civil construction, manufacturing, and agribusiness. Gerdau produces billets, which serve as inputs for the production of wire rod, rebars, merchant bars, shapes, and others; blooms, which are used to manufacture springs, forged parts, shapes, and seamless tubes; and slabs, which are used to produce hot and cold coils, heavy slabs, profiling, oxy-cutting, and others. The company's long rolled products include rebars, merchant bars, and profiles. Its drawn products include barbed and barbless fence wires, galvanized wires, fences, concrete reinforcing wire mesh, nails, and clamps. Gerdau also produces specialty and stainless steel used in tools and machinery, chains, fasteners, railroad spikes, and special coil steel. In addition, it produces special section profiles, such as grader blades, smelter bars, light rails, light I-beams, and elevator guide rails. The company markets its products principally in Brazil, the United States, Canada, and Chile, as well as, to a lesser extent, in Argentina and Uruguay. Gerdau was founded by Johannes Heinrich Kaspar Gerdau and Hugo Gerdau in 1901. The company is headquartered in Porto Alegre, Brazil.


GLAMIS GOLD LTD (GLG)

Glamis Gold, Ltd. engages in the exploration, mine development, and mining and extraction of gold in California and Nevada in the United States; and in Honduras, Mexico, and Guatemala. The company uses open-pit mining with heap leach processing or conventional milling for extracting gold. It operates San Martin, Marigold, and Rand mines in Nevada, California, and Honduras respectively. The company's development projects include El Sauzal Project and Cerro San Pedro Project in Mexico; Marlin Project and Cerro Blanco Project in Guatemala; and Imperial Project in California. As of January 1, 2005, Glamis Gold had proven and probable reserves of 6.3 million ounces of gold and 38.5 million ounces of silver. The company was incorporated as Renniks Resources, Ltd. in 1972. It changed its name to Glamis Gold, Ltd. in 1977. Glamis Gold is based in Reno, Nevada.


RANDGOLD RESOURCES LIMITED (GOLD)

Randgold Resources Limited engages in the mining, exploration, and development of mineral properties, primarily gold principally in West and East Africa. Its properties primarily include Loulo mine, located in Mali; and Tongon project located in Cote d'Ivoire. As of December 31, 2004, the company had proven and probable reserves of approximately 2.51 million ounces of gold. Randgold was incorporated in 1995 and is based in St. Helier, Channel Islands.


GOLDEN STAR RESOURCES LTD (GSS)

Golden Star Resources, Ltd. engages in the mining, exploration, and production of gold primarily in Ghana, West Africa. The company, through its subsidiaries and joint ventures, owns or holds interests in Bogoso/Prestea property, an operating property; the Wassa property, a development stage property; and the Prestea Underground property, an exploration property; as well as in the Mampon project, a development stage project in West Africa. In addition, it owns or holds interests in Akropong Trend property and Obuom property in West Africa, as well as in Saramacca property, Bon Espoir property, and Paul Isnard property in South America. Golden Star Resources was founded in 1992 and is headquartered in Littleton, Colorado.


HECLA MINING COMPANY (HL)

Hecla Mining Company and its subsidiaries engage in the exploration, development, mining, and processing of silver, gold, lead, and zinc in the United States, Venezuela, and Mexico. As of June 30, 2005, it owned a 100% interest in The Lucky Friday unit, which produces silver in located near Mullan, Idaho; a 29.73% joint venture interest in the Greens Creek unit, which is a polymetals mine located near Juneau, Alaska; a 100% interest in the San Sebastian unit, a silver and gold mine located in Durango, Mexico; and a 100% interest in the La Camorra unit, a gold producer located in the state of Bolivar, Venezuela. The company was formed in 1891 and is headquartered in Coeur d'Alene, Idaho.


HARMONY GOLD MINING CO. LTD (HMY)

Harmony Gold Mining Company Limited engages in gold mining and related activities, including exploration, extraction, processing, and refining in South Africa, Australia, Papua New Guinea, and Peru. As of June 30, 2005, the company had 12 operating shafts in the Free State province, 3 operating shafts at Evander in the Mpumalanga province, 4 operating shafts at Randfontein in the Gauteng province, 1 open cast mine near Mafikeng in the North West province, 1 production shaft at Carltonville in the North West province, and 2 operating shafts in Orkney in the North West province in South Africa. It also has interests in two underground and open pit mines located at Mt. Magnet and South Kalgoorlie, including Jubilee and New Celebration mines in Western Australia. In addition, the company, through its subsidiary, owns 100% of the Hidden Valley and Wafi deposits in Papua New Guinea. As of June 30, 2005, it had total proven and probable reserves of approximately 54.1 million ounces of gold. The company was founded in 1950 and is based in Melrose Arch, South Africa.


HIGHVELD STEEL AND VANADIUM CORPORATION LIMITED (HSVLY)

No description available.


IAMGOLD CORPORATION (IAG)

IAMGold Corporation engages in the exploration, development, and production of precious mineral resource properties worldwide. The company has an indirect 38% interest in Sadiola Gold Mine in the Republic of Mali, West Africa; an indirect 40% interest in Yatela Gold Mine in the Republic of Mali, West Africa; an indirect 18.9% interest in Tarkwa Gold Mine in Ghana; and an indirect 18.9% interest in Damang Gold Mine in Ghana, as well as owns 100% interest in Quimsacocha property in Ecuador. IAMGold also has a 1% royalty interest on the Diavik diamond property located in the Northwest Territories, Canada; and a 0.72% net smelter return royalty on the Williams mine located in Ontario, Canada. As of December 31, 2004, the company held 146,648 ounces of gold. The company was founded as IAMGold International African Mining Gold Corporation in 1990 and changed its name to IAMGold Corporation in 1997. IAMGold is headquartered in Toronto, Canada.


IMA EXPLORATION INC (IMR)

IMA Exploration, Inc., a natural resource company, through its subsidiaries, engages in the acquisition, exploration, and development of mineral properties in Argentina and Peru. It owns interests in the Navidad silver-lead-copper project in north central Chubut, Argentina. The company was founded in 1979 and is based in Vancouver, Canada.


KINROSS GOLD CORPORATION (KGC)

Kinross Gold Corporation engages in the mining and processing of gold and silver ore; and the exploration for, and the acquisition of, gold bearing properties primarily in the Americas and Russia. The company has interests in 13 mines on 4 continents, as well as a pipeline of advanced exploration and development projects. It has various ownership interests in the properties, including Fort Knox Mine, Kettle River, and Round Mountain in the United States; Lupin, Porcupine, New Britannia, Aquarius, George-Goose Lake, and Musselwhite in Canada; Kubaka in Russia; Blanket in Zimbabwe; Paracatu and Crixas in Brazil; and La Coipa and Refugio in Chile. The company sells its gold to banks, bullion dealers, and refiners. Kinross was founded in 1972. It was formed as a result of the amalgamation of Plexus Resources Corporation, 1021105 Ontario Corp, and CMP Resources, Ltd. The company has its principal executive offices in Toronto, Canada.


CRYSTALLEX INTERNATIONAL CORPORATION (KRY)

Crystallex International Corporation engages in the exploration for, mining, and production of gold. It conducts these activities primarily through mineral concessions that it owns or controls in Venezuela. The company's principal asset is its interest in the Las Cristinas Project located in Bolivar State, Venezuela. Its other assets include the Tomi operations; the Lo Incréible operations, which include the La Victoria deposit; and the Revemin mill and the Albino project also located in Bolivar State. As of December 31, 2004, the Las Cristinas Project had 333,638 tonnes of proven and probable gold reserves. The company was incorporated in 1984 and is headquartered in Toronto, Canada.


MADECO SA (MAD)

Madeco S.A. engages in the manufacture and sale of finished and semi-finished nonferrous products based on copper, aluminum, and related alloys, as well as flexible packaging products for use in the mass consumer market for food, snacks, and cosmetics products. The company operates in four segments: Wire and Cable, Brass Mills, Flexible Packaging, and Aluminum Profiles. The Wire and Cable segment produces, sells, and distributes wire and cable products, such as copper telecom cables, building wire, copper and aluminum power cables, magnetic wires, mining cables, and copper rods. It offers its products to the telecom, energy, mining, construction, and industrial sectors. The Brass Mills segment manufactures pipes, sheets, coils, busbars, bars, minted coins, and coin blanks from copper, aluminum, and related alloys comprising copper, nickel, aluminum, and zinc. Its products are used by industrial companies and the construction sector. The Flexible Packaging segment manufactures flexible packaging products printed by rotogravure method. The Aluminum Profiles segment manufactures aluminum siding used principally in the construction sector for window frames, door frames, external and internal hardware fixtures, and goods for the production of industrial durable goods. In addition, the company operates a curtain wall installation business, which entails the engineering, fabrication, and installation of curtain walls in non residential construction. It has operations in Chile, Brazil, Peru, and Argentina. The company, formerly known as Manufacturas de Cobre Madeco S.A., was founded by Mademsa in 1944. Madeco is headquartered in Santiago, Chile.


MERIDIAN GOLD INC (MDG)

Meridian Gold, Inc. engages in the mining and exploration of gold, silver, and other precious metals. It holds a 100% interest in El Penon mine, which consists of approximately 750,000 square kilometers of contiguous mineral concessions in the Atacama Desert in northern Chile. The company also has advanced stage exploration programs in Chile, in Argentina at Esquel gold project, and in Nevada at Rossi property, as well as early stage exploration programs primarily in Chile, Peru, Argentina, Mexico, and Nicaragua. As of December 31, 2004, it had total proven and probable reserves of approximately 4.4 million ounces of gold, consisting of 2 million ounces at the El Penon mine and 2.3 million ounces at the Esquel project. The company was founded in 1972. It was formerly known as 3232701 Canada, Inc. and changed its name to Vulcan Gold, Inc. in April 1996. Further, it changed its name to Meridian Gold, Inc. in June 1996. The company is headquartered in Reno, Nevada.


MDU RES GROUP INC (MDU)

MDU Resources Group, Inc. operates as a diversified natural resources company, which provides energy, natural resources products, and related services in the United States. It operates in seven segments: Electric, Natural Gas Distribution (NGD), Utility Services, Pipeline and Energy Services (PES), Natural Gas and Oil Production (NGOP), Construction Materials and Mining (CMM), and Independent Power Production (IPP). The Electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming. The NGD segment distributes natural gas in western Minnesota and southeastern North Dakota. The Utility Services segment engages in electrical line construction, pipeline construction, inside electrical wiring and cabling, and the manufacture and distribution of specialty equipments for utilities and manufacturing, commercial, government, and institutional customers. The PES segment provides natural gas transportation, underground storage, and gathering services through regulated and nonregulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions. It also provides energy-related management services, including cable and pipeline magnetization and location. The NGOP segment engages in the acquisition, exploration, development, and production of natural gas and oil primarily in the Rocky Mountain region and in and around the Gulf of Mexico. The CMM segment mines aggregates and markets crushed stone, sand, gravel, and related construction materials, including ready-mixed concrete, cement, asphalt, and other products. It also performs integrated construction services in the central and western United States and in the states of Alaska and Hawaii. The IPP segment owns, builds, and operates electric generating facilities and has investments in domestic and international natural resource-based projects. MDU Resources was incorporated in 1924 and is based in Bismarck, North Dakota.


MUELLER INDUSTRIES INC (MLI)

Mueller Industries, Inc. engages in the manufacture and sale of copper, brass, plastic, and aluminum products. The company operates through two segments, Standard Products Division and Industrial Products Division. The Standard Products Division manufactures and sells copper tube, copper and plastic fittings, and valves. It sells these products to wholesalers in the heating, ventilation, and air- conditioning (HVAC); plumbing; and refrigeration markets, as well as to distributors in the manufactured housing and recreational vehicle industries, and to building material retailers. The Industrial Products Division segment manufactures and sells brass and copper alloy rod, bar, and shapes; aluminum and brass forgings; aluminum and copper impact extrusions; refrigeration valves and fittings; fabricated tubular products; and gas valves and assemblies. This division sells its products primarily to original equipment manufacturers, who principally operate in the HVAC, plumbing, and refrigeration markets. Mueller Industries also resells imported brass and plastic plumbing valves, malleable iron fittings, steel nipples, faucets, and plumbing specialty products. The company operates in the United States, Canada, Mexico, and the Great Britain. Mueller Industries has a joint venture with Jiangsu Xingrong Hi-Tech Company, Ltd. and Jiangsu Baiyang Industries, Ltd. to manufacture copper tube, primarily to serve the Chinese domestic original equipment manufacturer air conditioning market. The company was founded in 1900 and is based in Memphis, Tennessee.


MIRAMAR MINING CORPORATION (MNG)

Miramar Mining Corporation, through its subsidiaries, engages in the exploration, acquisition, and development of gold bearing mineral properties. It owns the Hope Bay project, a gold exploration project located in Nunavut, Canada. The Hope Bay project area comprises 64 mineral claims and 9 mining leases. The company was incorporated in 1983 under the name Miramar Energy Corporation and changed its name to Miramar Mining Corporation in 1989. Miramar Mining is based in North Vancouver, Canada.


NANOPHASE TECHNOLOGIES CORPORATION (NANX)

Nanophase Technologies Corporation engages in the development and manufacture of nanocrystalline materials. It produces engineered nanomaterials for use in various markets, such as personal care; sunscreens; abrasion-resistant applications; environmental catalysts; antimicrobial products; and a variety of polishing applications, including semiconductors, hard disk drives, and optics. Its manufacturing operations include the production of nanomaterials in the form of powders utilizing two different methods, physical-vapor-synthesis and NanoArc Synthesis. Nanophase also has a large quantity powder coating operation to support its sunscreen business, as well as a dispersion line in support of its chemical-mechanical-planarization, and polishing initiatives and other product and market areas. The company markets its products to target markets and customers, including multinational corporations and Fortune 500 companies. It sells its products through a combination of business development and sales activities in collaborative relationships with customers in various markets. The company has strategic partnerships with BASF and Rohm and Haas Electronic Materials. Nanophase Technologies was co-founded in 1989 by Richard W. Siegel and is headquartered in Romeoville, Illinois.


NEWMONT MINING CORPORATION (HOLDING COMPANY) (NEM)

Newmont Mining Corporation primarily engages in the acquisition, production, and exploration of gold properties. The company has mining operations in the United States, Australia, Peru, Indonesia, Canada, Uzbekistan, Bolivia, New Zealand, Ghana, and Mexico. As of December 31, 2004, Newmont had 92.4 million equity ounces of proven and probable gold reserves and an aggregate land position of approximately 51,500 square miles. The company also engages in silver, copper, and zinc production, as well as in merchant banking operations. Its merchant banking business includes portfolio management, such as providing in-house investment banking and advisory services. Newmont Mining Corporation was founded in 1916 and is headquartered in Denver, Colorado.


NGAS RESOURCES INC (NGAS)

NGAS Resources, Inc. engages in the development and production of natural gas in Appalachian basin, eastern Kentucky. As of December 31, 2004, the company had 64,297,519 mcf of proved natural gas reserves and 296,128 bbl of crude oil reserves. Its customers include gas marketing intermediaries, pipelines, and transmission companies. NGAS Resources was founded in 1979. It was formerly known as Daugherty Resources, Inc. and changed its name to NGAS Resources, Inc. in 2004. The company is headquartered in Lexington, Kentucky.


NS GROUP INC (NSS)

NS Group, Inc. produces seamless and welded tubular steel products for the energy industry in the United States. These tubular steel products are used primarily in oil and natural gas drilling and production operations. The company also manufactures line pipe products, which are used in the transmission of oil, natural gas, and other fluids. NS Group's customers include independent oil and natural gas exploration and production companies; gas utility and transmission companies; distributors; and end users. It markets and sells its energy related tubular products in the southwest, western, and Appalachian regions of the United States, as well as the western regions of Canada. NS Group was incorporated in 1980 and is based in Newport, Kentucky.


NUCOR CORPORATION (NUE)

Nucor Corporation engages in the manufacture and sale of steel and steel products in the United States. Its steel mills' products include hot-rolled steel, such as angles, rounds, flats, channels, sheet, wide-flange beams, pilings, billets, blooms, beam blanks, and plate; and cold-rolled steel. The company's steel products consist of steel joists and joist girders, steel deck, cold finished steel, steel fasteners, metal building systems, and light gauge steel framing. It sells its hot-rolled steel and cold-rolled steel to steel service centers, fabricators, and manufacturers; steel joists and joist girders, and steel deck to general contractors and fabricators; and cold finished steel and steel fasteners to distributors and manufacturers. Nucor was founded in 1940 and is headquartered in Charlotte, North Carolina.


NORTHWEST PIPE COMPANY (NWPX)

Northwest Pipe Company manufactures welded steel pipe for water works, hydroelectric construction, and mining, agricultural, fire-protection, and industrial applications. The company operates through two segments, Water Transmission and Tubular Products. The Water Transmission segment manufactures and markets large diameter, high-pressure steel pipe used primarily for water transmission. Its products are custom manufactured in accordance with project specifications and are used primarily for high-pressure water transmission pipelines in the United States, Canada, and Mexico. The company sells its products primarily to public water agencies either directly or through an installation contractor. The Tubular Products segment manufactures and markets smaller diameter, electric resistance welded steel pipe for use in various construction, agricultural, energy, and industrial applications, including water well casing, fire protection, fence, traffic sign support, and agricultural products. The company markets its products through a network of direct sales force personnel and independent distributors, as well as original equipment manufacturers in the United States and Canada. Northwest Pipe Company is headquartered in Portland, Oregon.


QUANEX CORPORATION (NX)

Quanex Corporation manufactures engineered carbon and alloy steel bars, aluminum flat-rolled products, flexible insulating glass spacer systems, extruded profiles, and precision-formed metal and wood products for vehicular and building products markets. The company operates through two segments, Vehicular Products and Building Products. The Vehicular Products segment includes engineered steel bar manufacturing, steel bar and tube heat-treating services, and steel bar and tube corrosion and wear resistant finishing services. It provides engineered steel bars to passenger car, light truck, sport utility vehicle, heavy truck, off-road and farm equipment industries. This segment also provides tube and bar heat-treating and related services, such as quench and temper, stress relieving, normalizing, cut-to-length, and metallurgical testing. It also treats steel bars and tubes to improve the metal's corrosion and wear resistance properties to chrome plating. The Building Products segment offers lexible insulating glass spacer systems, window and patio door screens, window cladding frames, residential exterior products, custom wood window grilles and accessories, engineered vinyl and thermoplastic alloy composite window components, custom designed and roll-formed aluminum components, and stamped aluminum shapes for manufacturers of windows for the home improvement, residential, and light commercial construction markets. Quanex markets its products through direct sales force and distributors. Quanex operates in the United States, Mexico, Canada, Asia, Europe, and other foreign countries. The company was founded in 1927 as Michigan Seamless Tube Company and changed its name to Quanex Corporation in 1977. Quanex is based in Houston, Texas.


NORTHGATE MINERALS CORPORATION (NXG)

Northgate Minerals Corporation (NMC) engages in the ownership, acquisition, and exploration of gold and copper properties in Canada. Its principal assets include a 100% interest in the Kemess South open pit mine and its associated infrastructure, and mineral rights located in north-central British Columbia. The company's mineral rights cover an area of 35,312 hectares and are held as 3 mining Leases covering the Kemess South and Kemess North deposits, 206 mineral claims surrounding the mining leases, and 1 mineral claim held under an option agreement. As of December 31, 2004, NMC's total proven and probable reserves were 510,700,906 tones of gold and copper. The company was incorporated in 1919 under the name Kirkland-Hudson Bay Gold Mines Limited. It changed its name to Northgate Exploration Limited in 1958 and to Northgate Minerals Corporation in 2004. The company is headquartered in Vancouver, Canada.


PAN AMERICAN SILVER CORP (PAAS)

Pan American Silver Corp. primarily engages in the exploration for, and the acquisition, development, and operation of silver mines. The company's owns and operates the producing Quiruvilca silver mine, the Huaron silver mine, the La Colorada silver mine, and the Morococha silver mine in Peru. It also owns the Alamo Dorado silver project in Mexico. In addition, Pan American holds interest in non-producing silver resource and silver exploration properties in Argentina, Peru, the United States, and Mexico, including 50% of the Manantial Espejo deposit in Argentina. The company's principal products silver rich zinc, lead and copper concentrates, silver gold ore. The company was incorporated in 1979 under the name of Pan American Energy Corporation. It changed its name to Pan American Minerals Corp. in 1984 and to Pan American Silver Corp. in 1995. The company is headquartered in Vancouver, Canada.


NORTH AMERICAN PALLADIUM LTD (PAL)

North American Palladium, Ltd. engages in exploring for and mining platinum group metals, as well as base and precious metals in Canada. The company owns and operates Lac des Iles Mine, its primary property, located in the Thunder Bay District in Ontario, Canada. Its mining and processing operation produces by flotation a palladium rich concentrate. The company's Lac des Iles open pit mine also produces platinum, gold, copper, and nickel as by products. As of December 31, 2004, its open pit reserves contained an estimated 2.01 million ounces of palladium and platinum, and the underground reserves contained an estimated 754,000 ounces of palladium. North American Palladium sells its concentrates and refined palladium to automotive manufacturers under a sales contract. The company is headquartered in Toronto, Canada.


PRECISION CASTPARTS CORPORATION (PCP)

Precision Castparts Corp. provides investment castings, forgings, and fasteners/fastener systems for aerospace and industrial gas turbine applications. It operates through four segments: Investment Cast Products, Forged Products, Fastener Products, and Industrial Products. The Investment Cast Products segment manufactures aerospace structural castings, aerospace airfoil castings, industrial gas turbine castings, and other investment casting products for aircraft engines, industrial gas turbine engines, airframes, medical prostheses, and other industrial applications. This segment also provides alloys and waxes to other companies with investment casting operations. The Forged Products segment manufactures forged components from titanium and nickel-based alloys for jet engines, including fan discs, compressor discs, turbine discs, seals, spacers, shafts, hubs, and cases for use in power plants and oil and gas industry applications. This segment also produces various mechanical and structural tubular forged products, and supplies propulsion systems on nuclear submarines and aircraft carriers, as well as forgings for pumps, valves, and structural applications for naval defense applications. The Fastener Products segment develops and manufactures engineered fasteners, fastener systems, and precision components primarily for aerospace and automotive applications. The Industrial Products segment produces refiner plates and screen cylinders for use in the pulp and paper industry, and rebuilds refiner equipment that is used in the pulping process. This segment also manufactures metal-injection-molded, metal-matrix-composite, and ThixoFormed components for various industrial applications. The company offers its products through direct sales force, independent sales representatives, and distributors primarily in the United States, Europe, and Asia. Precision Castparts was founded in 1949 and is based in Portland, Oregon.


SOUTHERN PERU COPPER CORPORATION (PCU)

Southern Copper Corporation (SCC) operates as an integrated producer of copper, molybdenum, zinc, and silver. The company engages in mining of open pit mines; milling and flotation of copper ore to produce copper concentrates; smelting of copper concentrates to produce blister copper; and refining blister copper to produce copper cathodes. SCC operates the Toquepala and Cuajone open pit mines in the Andes, Peru; and Cananea mine and La Caridad mine in northern Mexico. As of December 31, 2004, the company had approximately 44.9 million tons of proven and probable reserves of copper. It also operates smelter and refinery facilities in Ilo, Peru, as well as in northern and central Mexico. It sells its products primarily to customers in Europe, the Far East, and the United States. The company was incorporated in 1952. It was formerly known as Southern Peru Copper Corporation and changed its name to Southern Copper Corporation in October 2005. The company is based in Phoenix, Arizona. Southern Copper Corporation is a subsidiary of Americas Mining Corporation.


POHANG IRON & STEEL CO. LTD (PKX)

POSCO engages in the manufacture and sale of a line of steel products in South Korea. Its products comprise hot rolled and cold rolled products, plates, wire rods, silicon steel sheets, and stainless steel products. The company's hot rolled coils and sheets are used to manufacture structural steel used in the construction of buildings and bridges, railway rolling stocks, industrial pipes and tanks, and automobile chassis; and plates are used in shipbuilding, structural steelwork, offshore oil and gas production, power generation, mining, manufacture of earth-moving and mechanical handling equipment, boiler and pressure vessels, and other industrial machinery. Its wire rods are used primarily by manufacturers of wire, nails, bolts, nuts, and welding rods, as well as used in the manufacture of coil springs, tension bars, and tire cords in the automobile industry. The company's silicon steel sheets are used primarily in the manufacture of power transformers and generators, and rotating machines. POSCO's stainless steel products are used in the chemical, paper mills, aviation, automobile, construction, and food processing industries. The company also produces semifinished products, such as pig iron, billets, blooms, and slabs. POSCO was established in 1968 as Pohang Iron & Steel Co., Ltd. and changed its name to POSCO in 2002. The company is based in Seoul, South Korea.


PACIFIC RIM MINING CORP NEW (PMU)

Pacific Rim Mining Corp., through its subsidiaries, engages in the acquisition, exploration, and development of precious metals properties, primarily gold and silver. Its principal property is the El Dorado gold property located in El Salvador. In addition, the company holds exploration license for Santa Rita Gold Project, El Salvador; a 49% joint venture interest in the Denton Rawhide Mine, Nevada; a 100% interest in San Francisco Property, Argentina, as well as interest in Carrera and Colina Gold Projects, Chile. Pacific Rim Mining Corp. is based in Vancouver, Canada.


POTASH CORPORATION OF SASKATCHEWAN INC (POT)

Potash Corporation of Saskatchewan, Inc. produces fertilizer, and related industrial and feed products. The company produces potash, phosphate, and nitrogen products. It produces potash for use as fertilizer from six mines in Saskatchewan and one mine in New Brunswick. Its phosphate operations include the manufacture and sale of solid and liquid phosphate fertilizers, animal feed supplements, and purified phosphoric acid, which are used in food products and industrial processes. Its nitrogen operations include the production of nitrogen fertilizers and nitrogen feed; and industrial products, including ammonia, urea, nitrogen solutions, ammonium nitrate, and nitric acid. It has nitrogen facilities in Georgia, Louisiana, Ohio, Tennessee, Trinidad, Florida, Alabama, and Georgia. Potash Corporation was founded in 1953 and is based in Saskatoon, Canada.


ROYAL GOLD INC (RGLD)

Royal Gold, Inc. engages in the acquisition and management of precious metals royalties. The company primarily derives its royalties from three mines in Nevada that include the Pipeline Mining Complex that include the Pipeline and South Pipeline gold deposits; the Leeville project; and portions of the Betze-Post mine. It also has producing royalties on the Troy mine in Montana, the Martha mine in Argentina, and the Bald Mountain mine in Nevada. In addition, the company owns royalty interests in various properties located in Lander County, Eureka County, Pershing County, Elko County, and Humboldt County, Nevada, as well as in eastern California; Santa Cruz Province, Argentina; and Russia. Royal Gold was incorporated in 1981 and is based in Denver, Colorado.


RICHMONT MINES INC (RIC)

Richmont Mines, Inc. engages in exploration, operation, financing, and development of mineral properties, principally gold, in Canadian provinces of Quebec, Newfoundland, and Ontario. Its properties in Quebec include Beaufor mine and its adjacent properties, including Pascalis, Perron, Colombiere, and Courvan properties; East Amphi, Monique, Camflo Northwest, Camflo mill, and Wasamac properties; and Francoeur mine. The company's properties in Ontario include Island Gold, Sewell, and Cripple Creek properties. Its Newfoundland properties include Valentine Lake and Hammerdown mines. The company was founded in 1981 by Jean-Guy Rivard. It was formerly known as Rouyn Mining Resources, Inc. and changed its name to Richmont Mines, Inc. in 1991. The company is headquartered in Rouyn-Noranda, Canada.


CIA VALE DO RIO DOCE (RIO)

Valley of the Rio Doce Company engages primarily in mining and logistics businesses. It engages in iron ore mining, pellet production, manganese ore mining, and ferroalloy production, as well as in the production of nonferrous minerals, such as kaolin, potash, copper, and gold. The company's aluminum-related operations include bauxite mining, alumina refining, and aluminum metal smelting. Valley of the Rio Doce holds exploration claims that cover 12.0 million hectares in Brazil; and 3.8 million hectares in Gabon, Chile, Mozambique, Mongolia, Argentina, and Peru. In addition, it operates logistics systems, such as railroads and ports that are integrated with its mining operations. Further, the company has interests in nine hydroelectric power generation projects and three steel companies. Valley of the Rio Doce was founded in 1942 and is headquartered in Rio De Janeiro, Brazil.


GIBRALTAR INDUSTRIES INC (ROCK)

Gibraltar Industries, Inc. engages in the processing, manufacture, and provision of steel products and services. The company operates in three segments: Processed Metal Products, Building Products, and Thermal Processing. The Processed Metal Products segment produces a range of cold-rolled strip steel products, coated sheet steel products, strapping products, and powdered metal products. The Building Products segment manufactures and distributes building and construction products that include ventilation products and accessories; mailboxes; roof edging, underlayment, and flashing; soffit; drywall corner bead; structural support products; coated coil stock; metal roofing and accessories; steel framing; rain-carrying systems, including gutters and accessories; bath cabinets; access doors; roof hatches and smoke vents; builders' hardware, shelving and closet rods; grilles and registers; diffusers; and fasteners. The Thermal Processing segment provides an array of processes, which refine the metallurgical properties of customer-owned metal products for various consumer and industrial applications. These processes include case-hardening, neutral-hardening and through-hardening, annealing, normalizing, vacuum hardening, carburizing, nitriding, and brazing. The company's primary customers include automobile manufacturers and suppliers, building product distributors, and commercial and residential contractors. It offers its products and services primarily through its sales personnel and outside sales representatives located in the United States, Canada, Mexico, Europe, Asia, and central and South America. The company was formerly known as Gibraltar Steel Corporation and changed its name to Gibraltar Industries, Inc. in October 2004. Gibraltar Industries is headquartered in Buffalo, New York.


RTI INTERNATIONAL METALS INC (RTI)

RTI International Metals, Inc. (RTI) engages in the manufacture of titanium mill products, and the fabrication and distribution of titanium and other specialty metal products for use in the aerospace, oil and gas exploration and production, geo-thermal energy production, chemical processing, and other industries. The company operates in two segments, Titanium Group, and Fabrication and Distribution Group. The Titanium Group manufactures and sells a range of titanium mill products and specialty alloys for use in the ferrous and nonferrous metals industries. The Fabrication and Distribution Group fabricates, machines, assembles, and distributes titanium and other specialty metal parts and components, including alloy, plate, sheet and bar, engineered tubular products, hot-formed and superplastically formed parts, cut shapes, and various specialized cut-to-size programs. RTI also offers business management and consultation services to businesses in the metal industry and other related manufacturing fields. The company offers its products through direct sales force and independent distributors primarily in the United States, Canada, the United Kingdom, France, Germany, and Korea. RTI International is headquartered in Niles, Ohio.


RIO TINTO PLC (RTP)

Rio Tinto plc. engages in the exploration, mining, and processing of mineral resources. It supplies minerals and metals, which include aluminium, copper, and diamonds energy products, gold, industrial minerals, and iron ore. Rio Tinto is based in London.


SCHNITZER STEEL INDUSTRIES INC (SCHN)

Schnitzer Steel Industries, Inc. engages in metal recycling, self-service used auto parts, and mini-mill steel manufacturing businesses in the United States. The Metal Processing and Recycling segment buys, processes, and recycles ferrous and nonferrous metals for sale to foreign and other domestic steel producers, or their representatives, as well as to the steel manufacturing business. The Mini-Mill Steel Manufacturing segment produces rebar, merchant bar, wire rod, coiled rebar, and other specialty products. The Self-Service Used Auto Parts segment purchases salvaged vehicles, sells parts from those vehicles through its retail facilities and wholesale operations, and sells the remaining portion of the vehicles to metal recyclers. The company has a joint venture with Hugo Neu Corporation. Schnitzer Steel Industries was founded in 1946 and is headquartered in Portland, Oregon.


SHILOH INDUSTRIES INC (SHLO)

Shiloh Industries, Inc. and its subsidiaries engages in manufacturing and selling first operation blanks, engineered welded blanks, complex stampings, and modular assemblies for the automotive, heavy truck, and other industrial markets in the United States. Its blanks include exposed and unexposed, and welded blanks that are used for exterior steel components, such as fenders, hoods, and doors. The company's stampings are principally used as components in mufflers, seat frames, structural rails, window lifts, heat shields, vehicle brakes, and other structural body components. Its modular assemblies include components used in the structural and powertrain systems of a vehicle. The company's structural systems include bumper beams, door impact beams, steering column supports, chassis components, and structural underbody modules; and powertrain systems consist of deep draw components, such as oil pans, transmission pans, and valve covers. It also engages in designing and engineering precision tools and dies, and welding and assembly equipment for use in its blanking and stamping operations. Additionally, the company provides various intermediate steel processing services, such as oiling, leveling, cutting-to-length, slitting, edge trimming of hot and cold-rolled steel coils, and inventory control services for automotive and steel industry customers. Its customers include original equipment manufacturers, Tier I suppliers, and steel consumers and producers. Shiloh Industries was founded in 1950 and is based in Wilmington, Delaware.


COMPANHIA SIDERURGICA NACIONAL S.A (SID)

Companhia Siderúrgica Nacional (CSN) primarily operates as an integrated steel producer in Brazil. The company produces a range of steel products, including slabs, hot and cold-rolled, galvanized, and tin mill products for the distribution, packaging, automotive, home appliance, and construction industries. The company sells its steel products to customers in Brazil and 61 other countries in North America, Europe, and Asia through its sales force and distributors. CSN also mines iron ore, limestone, and dolomite, as well as maintains strategic investments in railroad, electricity, and ports. CSN was founded in 1941 and is based in Sao Paulo, Brazil.


APEX SILVER MINES LIMITED (SIL)

Apex Silver Mines Limited engages in the exploration and development of silver properties in South America and Mexico. As of August 05, 2005, the company held control of approximately 100 silver and other mineral exploration holdings, divided into 50 property groups, located in Bolivia, Mexico, and Peru. The company owns 100% interest in San Cristobal Project located in southern Bolivia. San Cristobal's proven and probable reserves total approximately 219 million tones of ore grading 64.69 grams per ton of silver, 1.60% zinc, and 0.59% lead. Apex Silver was formed in 1996 and is based in George Town, Cayman Islands.


SILVER STANDARD RESOURCES INC (SSRI)

Silver Standard Resources, Inc., an exploration stage company, engages in the acquisition and exploration of silver properties in Argentina, Australia, Canada, Chile, Mexico, Peru, and the United States. Its principal mineral properties include the Pirquitas Project in the province of Jujuy, Argentina; Pitarrilla Project in Durango State, Mexico; the Bowdens Silver Project in the Mudgee District of Australia; the Shafter Silver Project in Texas, the United States; and a 50% interest in the Manantial Espejo Project in the province of Santa Cruz, Argentina. Silver Standard Resources also holds interest in the Diablillos Project, Argentina; the Berenguela Project, Peru; the Challacollo Silver Project, Chile; the Maverick Springs Project, northern Nevada; and Candelaria Mine in west central Nevada; the San Marcial Silver Project and the San Agustin Property in Mexico; the Silvertip Property and the Sulphurets Project in northern British Columbia; and the Sunrise Lake Deposit in the Northwest Territories, Canada. The company was incorporated as Silver Standard Mines Limited in 1946. It changed its name to Silver Standard Mines Limited in 1979 and to Consolidated Silver Standard Mines Limited in 1984. Further, it changed name to Silver Standard Resources, Inc. in 1990. Silver Standard Resources is headquartered in Vancouver, Canada.


STEEL DYNAMICS INC (STLD)

Steel Dynamics, Inc. engages in the manufacture and sale of steel products in the United States. The company sells a range of hot-rolled, cold-rolled, and coated steel products, including various specialty products, such as thinner gauge hot-rolled products, galvanized products, and painted products. It also sells structural steel beams, pilings, and other steel components. In addition, the segment sells special bar-quality and merchant bar-quality rounds, and round-cornered squares. Its products are used primarily in the automotive, construction, commercial, transportation, and industrial machinery markets. Additionally, the company fabricates trusses, girders, steel joists, and steel decking for the nonresidential construction industry, as well as sells standard and premium grade rails for the railroad industry. Steel Dynamics was incorporated in 1993 and is headquartered in Fort Wayne, Indiana.


STEEL TECHNOLOGIES INC (STTX)

Steel Technologies, Inc. operates as a flat-rolled steel processor in North America. The company processes flat rolled steel to specified thickness, width, temper, and finish requirements for customers' manufacturing processes. Its processed products include cold-rolled strip and sheet, cold-rolled one-pass strip, high carbon and alloy strip and sheet, hot-rolled sheet, high strength low alloy strip and sheet, coated strip and sheet, and hot-rolled pickled and oiled sheet and tin plate. The company also toll processes steel for steel mills, large end-users, service centers, and other processors. It serves industrial customers manufacturing component parts for the automotive, appliance, lawn and garden, office furniture, agriculture, railcar, construction, hardware, and consumer goods markets in the United States, Canada, and Mexico. The company was founded in 1971 and is headquartered in Louisville, Kentucky.


STILLWATER MINING COMPANY (SWC)

Stillwater Mining Company (SMC) engages in the exploration, development, extraction, processing, and refining of palladium, platinum, and associated minerals (PGMs) in Montana, the Unites States. The company's mining operations consist of the Stillwater Mine located on the J-M Reef in Nye; the East Boulder Mine located in Sweet Grass County; and a smelter and refinery located in Columbus. At December 31, 2004, SMC had proven and probable ore reserves of approximately 41.6 million tons with an average grade of 0.57 ounce of PGMs per ton containing approximately 23.9 million ounces of palladium and platinum. The company was incorporated in 1992 and is headquartered in Billings, Montana.


TAM S.A (TAM)

TAM S.A., through its subsidiaries, provides scheduled air transportation services in Brazil and internationally. It engages in the transportation of passengers and cargo within Brazil and on international routes. The company offers flights serving various destinations in Brazil, as well as operates scheduled passenger and cargo air transport routes to 48 cities, in addition to a further 26 domestic destinations that the company serves through regional alliances with other airlines. It also serves 11 international destinations and provides connections to other destinations through commercial agreements with American Airlines, Inc., Air France-KLM S.A., and certain other airlines. As of June 26, 2007, the company operated a fleet of 106 aircrafts. In addition, TAM serves as a tourism operator, and involves in the packaging and sale of tourism and corporate events in Brazil and internationally. The company was founded in 1976. It was formerly known as CIT Companhia de Investimentos em Transportes and changed its name to TAM -- Companhia de Investimentos em Transportes in 1997. Further, the company changed its name to TAM S.A. in 2002. TAM is headquartered in Sao Paulo, Brazil.


TITANIUM METALS CORPORATION (TIE)

Titanium Metals Corporation produces titanium melted and mill products. The company offers titanium sponge, melted, and mill products for aerospace, industrial, and other applications. Its titanium sponge is the basic form of titanium metal used in processed titanium products. The company's melted products include ingot and slab, which are the result of melting sponge and titanium scrap either alone or with various alloys. Its mill products that are forged and rolled from ingot or slab include long products, such as billet and bar; flat products, which include plate, sheet, and strip; and pipe. The company's fabrication products include spools, pipefittings, manifolds, and vessels that are cut, formed, welded, and assembled from titanium mill products. It sells its products through its sales force in the United States and Europe; and through independent agents and distributors worldwide. Titanium Metals has a joint venture with Baoji Titanium Industry Co., Ltd., Valtimet SAS, and Changzhou Valinox Great Wall Welded Tube Co., Ltd. The company was formed in 1950 and is headquartered in Denver, Colorado.


TAN RANGE EXPLORATION CORP (TRE)

Tan Range Exploration Corporation, a natural resource company, engages in the acquisition of interests in, and the exploration of natural resource properties. It primarily focuses on exploration for gold properties in Tanzania. The company' properties primarily include Itetemia property, consisting of 7 contiguous prospecting licenses covering approximately 174 square kilometers, located in the Mwanza region of the Lake Victoria Greenstone Region, Tanzania; Luhala property, comprising 10 prospecting licenses covering approximately 128 square kilometers, located in Misungwi district of Mwanza region of Tanzania; Lunguya property, consisting of 7 prospecting licenses covering approximately 323 square kilometers, located in the Kahama district of Tanzania; and Tulawaka project, consisting of 15 prospecting licenses covering approximately 391 square kilometers, located in the district of Kagera region of Tanzania. Tan Range Exploration also holds interests in Lake Victoria Goldfield properties, consisting of 141 prospecting licenses in the Lake Victoria Goldfields Belts of north-western Tanzania, covering approximately 11,570 square kilometers; Kibara Property in the Lake Victoria goldfields of northwest Tanzania; and Shinyanga property in the southeastern portion of the Lake Victoria Greenstone Belt in Tanzania. The company was incorporated in 1990 as 424547 Alberta, Ltd. and changed its name to Tan Range Exploration Corporation in 1991. Tan Range Exploration is based in Sharon, Connecticut.


TITAN INTERNATIONAL INC (TWI)

Titan International, Inc. manufactures wheels, tires, and assemblies for off-highway vehicles in North America. It comprises four product groups: Agricultural Equipment, Consumer Products, Earthmoving/Construction Equipment, and Military Components. Agricultural Equipment group consists of wheels and tires for machinery used by the commercial farming sector, including tractors, combines, crop handling equipment and tillage, soil preparation, and planting and harvesting machinery. Consumer Products group includes wheels, tires, and brake assemblies for all-terrain vehicles, boat and utility trailers, golf cars, lawn and garden tractors, and specialty automotive wheels. Earthmoving/Construction Equipment group consists of wheels and tires for machinery used in both construction and mining industries, including graders and levelers, scrapers, self-propelled shovel loaders, loader transporters, and haul trucks. Military Components group includes wheels, rims, tires, and components for government use on trucks, tanks, and personnel carriers. The company distributes its products directly to original equipment manufacturers (OEMs), and independent and OEM affiliated dealers, as well as through a network of distribution facilities in the United States and Italy. Titan International is headquartered in Quincy, Illinois.


TEXAS INDUSTRIES INC (TXI)

Texas Industries, Inc. supplies heavy building materials in the United States. It operates in two segments, Cement, Aggregate, and Concrete (CAC); and Steel. The CAC segment produces and sells specialty cements, such as white portland, masonry, and oil well; stone; sand and gravel; ready-mix concrete; expanded shale and clay aggregate; and other products from its facilities in Texas, Louisiana, and California. The Steel segment produces and sells structural steel, piling products, special bar quality products, merchant bar quality rounds, reinforcing bar and channels from its facilities in Texas and Virginia. The company serves multiple end-use markets, including the public works, residential, commercial, retail, industrial, and institutional construction sectors, as well as the energy industry. As of May 31, 2005, it operated 93 manufacturing facilities in 6 states. The company was founded in 1946 and is based in Dallas, Texas.


UNIVERSAL STAINLESS & ALLOY PRODUCTS INC (USAP)

Universal Stainless & Alloy Products, Inc. (USAP) engages in the manufacture and marketing of semifinished and finished specialty steel products. These products include stainless steel, tool steel, and certain other alloyed steels. These are offered in various grades, widths, and gauges in response to customer specifications, such as long products, including ingots, blooms, billets, and bars; and flat rolled products, including slabs and plates. USAP's products are sold to re rollers, forgers, service centers, wire redrawers, and original equipment manufacturers. The company's customers further process its products for use primarily in the equipment manufacturing, power generation, and aerospace industries. It also performs conversion services on materials supplied by customers. The company was incorporated in 1994 and is based in Bridgeville, Pennsylvania.


U.S. ENERGY CORP (USEG)

U.S. Energy Corp., through a joint venture, USECC Joint Venture, engages in the development and production of mineral resources. The company owns interests in properties prospective for gold, uranium, vanadium, and molybdenum located primarily in central Wyoming. It also engages in commercial real estate activities. U.S. Energy Corp. was formed in 1966 and is headquartered in Riverton, Wyoming.


USEC INC (USU)

USEC, Inc., together with its subsidiaries, supplies low enriched uranium (LEU) for commercial nuclear power plants worldwide. It sells separative work units and uranium components of LEU, as well as uranium. SWU is a standard unit of measurement that represents the effort required to transform a given amount of natural uranium into two components: enriched uranium having a higher percentage of U235 and depleted uranium having a lower percentage of U235. The company also performs contract work for Department of Energy (DOE) and DOE contractors at the Paducah and Portsmouth plants, which include the maintenance of the Portsmouth gaseous diffusion plant in a state of readiness or cold standby, processing out-of-specification uranium, and provision of infrastructure support services. In addition, USEC provides nuclear energy solutions and services, including design, fabrication, and implementation of spent nuclear fuel technologies; nuclear materials transportation; and nuclear fuel cycle consulting services, such as planning, market research and analysis, price forecasts, procurement strategies, and other services. USEC was created in 1993 and is headquartered in Bethesda, Maryland.


VISTA GOLD CORPORATION (VGZ)

Vista Gold Corp. engages in the evaluation and acquisition of gold projects with defined gold resources. The company holds interests in the Maverick Springs, Mountain View, Hasbrouck, Three Hills, Wildcat projects, and Hycroft mine in Nevada; the Long Valley project in California; the Yellow Pine project in Idaho; the Paredones Amarillos and Guadalupe de los Reyes projects in Mexico; the Amayapampa project in Bolivia; and the Awak Mas project in Indonesia. It also owns five exploration projects in Canada and approximately 25% of the shares of Zamora Gold Corp., a company exploring for gold in Ecuador. The company was incorporated in 1983 and is based in Littleton, Colorado.


VISTA GOLD CORPORATION (VGZ)

Vista Gold Corp. engages in the evaluation and acquisition of gold projects with defined gold resources. The company holds interests in the Maverick Springs, Mountain View, Hasbrouck, Three Hills, Wildcat projects, and Hycroft mine in Nevada; the Long Valley project in California; the Yellow Pine project in Idaho; the Paredones Amarillos and Guadalupe de los Reyes projects in Mexico; the Amayapampa project in Bolivia; and the Awak Mas project in Indonesia. It also owns five exploration projects in Canada and approximately 25% of the shares of Zamora Gold Corp., a company exploring for gold in Ecuador. The company was incorporated in 1983 and is based in Littleton, Colorado.


WESTSIDE ENERGY CORPORATION (WHT)

Westside Energy Corporation operates as an oil and gas company in the United States. It primarily focuses on the acquisition, exploration, and development of natural gas and oil in the Barnett Shale play in north Texas. Westside Energy sells its oil and gas products primarily to domestic pipelines and refineries. The company was incorporated in 1995. It was formerly known as Eventemp Corporation and changed its name to Westside Energy Corporation in 2004. Westside Energy is based in Houston, Texas.


WESTMORELAND COAL COMPANY (WLB)

Westmoreland Coal Company operates as an energy company in the United States. It owns coal mines in Montana, North Dakota, and Texas. The company produces coal from surface mines and supplies to power plants that generate electricity. Its power operations include ownership interests in two coal-fired and one natural gas-fired generating plant. As of December 31, 2004, Westmoreland had approximately 403364 million tons of coal reserves. The company also owns interests in nonregulated independent power plants. Westmoreland Coal Company was founded in 1854 and is based in Colorado Springs, Colorado.


WORTHINGTON INDUSTRIES INC (WOR)

Worthington Industries, Inc. operates as a diversified metal processing company focusing on steel processing and manufactured metal products primarily in the United States. The company operates in three segments: Processed Steel Products, Metal Framing, and Pressure Cylinders. The Processed Steel Products segment processes flat-rolled steel and supplies automotive exterior body panels. This segment primarily serves the automotive, construction, lawn and garden, hardware, electrical control, leisure and recreation, appliance, farm implement, container, and aerospace markets. The Metal Framing segment designs and produces metal framing components and systems, as well as related accessories for the commercial and residential construction markets. Its products include steel studs and track, floor and wall system components, roof trusses, and other metal framing accessories. This segment's customers primarily consist of wholesale distributors, commercial and residential building contractors, and big box building material retailers. The Pressure Cylinders segment produces low-pressure liquefied petroleum gas (LPG), refrigerant gas cylinders, and high-pressure and industrial/specialty gas cylinders. Its LPG cylinders are primarily used for gas barbecue grills, recreational vehicle equipment, residential heating systems, industrial forklifts, and commercial/residential cooking. Refrigerant gas cylinders are used to hold refrigerant gases for commercial and residential air conditioning and refrigeration systems, as well as for automotive air conditioning systems. High-pressure and industrial/specialty gas cylinders are containers for gases primarily used in cutting and welding metals; and breathing, such as in medical, diving, and firefighting. It sells its products primarily to major refrigerant gas producers and distributors. Worthington Industries was founded in 1955 and is headquartered in Columbus, Ohio.


YANZHOU COAL MINING COMPANY LIMITED (YZC)

Yanzhou Coal Mining Company Limited (YCM) engages in underground mining, preparation, and sale of coal, as well as the provision of railway coal transportation services in China. Its products primarily include thermal coal and semisoft coking coal used in electric power generation and metallurgical production. It operates six coal mines, which include Nantun, Xinglongzhuang, Baodian, Dongtan, Jining II, and Jining III. The company offers its products to electric power plants, metallurgical mills, chemical engineering companies, construction material manufacturers, and fuel trading companies. As of December 31, 2004, YCM had proven and probable reserves of approximately 2,004.3 million tonnes of coal. The company was established in 1973 and is headquartered in Zoucheng, China.


OLYMPIC STEEL INC (ZEUS)

Olympic Steel, Inc. operates steel service center in North America. It primarily engages in processing and distributing carbon, coated carbon, and stainless steel, flat-rolled sheet, and coil and plate products. The company's services include both traditional service center processes of cutting to length, slitting, and shearing, as well as other processes of blanking, tempering, plate burning, laser welding, and precision machining and laser welding to process steel to specified lengths, widths, and shapes pursuant to specific customer orders. Olympic Steel also provides inventory stocking programs and in-plant employees located at customer locations. It serves customers in carbon steel consuming industries, including manufacturers and fabricators of transportation and material handling equipment, automobiles, construction and farm machinery, storage tanks, environmental and energy generation equipment, appliances, food service, and electrical equipment, as well as general and plate fabricators, and steel service centers. The company distributes its products through direct sales force. Olympic Steel was founded in 1954 and is headquartered in Cleveland, Ohio.