Freeport-McMoRan Inc. engages in the mining of mineral properties in North America, South America, and Indonesia. It primarily explores for copper, gold, molybdenum, silver, and other metals. The company's assets include the Grasberg minerals district in Indonesia; Morenci, Bagdad, Safford, Sierrita, and Miami in Arizona; Chino and Tyrone in New Mexico; and Henderson and Climax in Colorado, North America, as well as Cerro Verde in Peru and El Abra in Chile. The company was formerly known as Freeport-McMoRan Copper & Gold Inc. and changed its name to Freeport-McMoRan Inc. in July 2014. Freeport-McMoRan Inc. was incorporated in 1987 and is headquartered in Phoenix, Arizona.

Barrick Gold Corporation engages in the exploration, mine development, production, and sale of gold and copper properties in Canada and internationally. The company also explores and sells silver and energy materials. It has ownership interests in producing gold mines located in Argentina, Canada, Côte d'Ivoire, the Democratic Republic of Congo, the Dominican Republic, Mali, Tanzania, and the United States. The company also has ownership interests in producing copper mines located in Chile, Saudi Arabia, and Zambia; and various other projects located in the Americas, Asia, and Africa. Barrick Gold Corporation was founded in 1983 and is based in Toronto, Canada.

Gold Fields Limited operates as a gold producer with reserves and resources in Chile, South Africa, Ghana, Canada, Australia, and Peru. It also explores for copper and silver deposits. The company was founded in 1887 and is based in Sandton, South Africa.

Kinross Gold Corporation, together with its subsidiaries, engages in the acquisition, exploration, and development of gold properties principally in the United States, Brazil, Chile, Canada, and Mauritania. The company operates the Fort Knox mine and the Manh Choh project in Alaska, as well as the Round Mountain and the Bald Mountain mines in Nevada, the United States; the Paracatu mine in Brazil; the La Coipa and the Lobo-Marte project in Chile; the Tasiast mine in Mauritania; and the Great Bear project in Canada. It is also involved in the extraction and processing of gold-containing ores; reclamation of gold mining properties; and production and sale of silver. Kinross Gold Corporation was founded in 1993 and is headquartered in Toronto, Canada.

Royal Gold, Inc., together with its subsidiaries, acquires and manages precious metal streams, royalties, and related interests. The company engages in acquiring stream and royalty interests or to finance projects that are in production, development, or in the exploration stage in exchange for stream or royalty interests, which primarily consists of gold, silver, copper, nickel, zinc, lead, and other metals. Its stream and royalty interests on properties are located in the United States, Canada, Chile, the Dominican Republic, Australia, Africa, Mexico, Botswana, and internationally. Royal Gold, Inc. was incorporated in 1981 and is headquartered in Denver, Colorado.

McEwen Mining Inc. engages in the exploration, development, production, and sale of gold and silver deposits in the United States, Canada, Mexico, and Argentina. The company also explores for copper deposits. It holds a 100% interest in the Tonkin property and Gold Bar mine located in Nevada, United States; the Froome mine, the Stock West project, and the Grey Fox, as well as the Fox Complex comprising 118 parcels representing patents and leases and 163 unpatented mining claims totaling 27 square miles in mining rights, and 11 square miles in surface rights located in Ontario, Canada; and the El Gallo Project and Fenix silver-gold project located in Sinaloa, Mexico. The company also holds 47.7% interest in the Los Azules Copper Project located in the province of San Juan, Argentina; and 49% interest in the San José mine located in Santa Cruz, Argentina, as well as interests in the Elder Creek property located in Nevada, United States. In addition, it holds interests in and a portfolio of exploration properties in Nevada, Canada, Mexico, and Argentina. The company was formerly known as US Gold Corporation and changed its name to McEwen Mining Inc. in January 2012. McEwen Mining Inc. was incorporated in 1979 and is headquartered in Toronto, Canada.

Gold Resource Corporation engages in the exploration, development, and production of gold and silver projects in Mexico and the United States. The company also explores for copper, lead, and zinc deposits. Its principal assets are the 100% owned Don David gold mine and Back Forty project covering approximately 1,304 hectares located in Menominee county, Michigan. The company was incorporated in 1998 and is headquartered in Denver, Colorado.

Golden Minerals Company, a precious metals exploration company explores for mineral properties in Argentina, Nevada, and Mexico. It explores for gold, silver, copper, zinc, lead, and other minerals. The company was formerly known as Apex Silver Mines Limited and changed its name to Golden Minerals Company in March 2009. Golden Minerals Company was founded in 1996 and is headquartered in Golden, Colorado.