Antofagasta
OTCMKTS:ANFGFAntofagasta plc operates as a mining company. It operates through Los Pelambres, Centinela, Antucoya, Zaldívar, Exploration and Evaluation, and Transport Division segments. Its mines produce copper cathodes and copper concentrates; and molybdenum, gold, and silver by-products. The company also has exploration projects in various countries. In addition, it provides rail and road cargo services to mining customers in northern Chile. The company was incorporated in 1888 and is headquartered in London, the United Kingdom. Antofagasta plc operates as a subsidiary of Metalinvest Anstalt.
Arizona Sonoran Copper
OTC:ASCUFArizona Sonoran Copper Company Inc. engages in the identification, acquisition, exploration, development, and production of base metal properties. It primarily explores for copper. The company's principal asset is the 100% owned Cactus Mine Project located in Casa Grande, Arizona. The company was formerly known as Elim Mining Incorporated and changed its name to Arizona Sonoran Copper Company Inc. in July 2021. Arizona Sonoran Copper Company Inc. was incorporated in 2019 and is based in Toronto, Canada.
Capstone Copper
OTCMKTS:CSCCFCapstone Copper Corp. operates as a copper mining company in the United States, Chile, and Mexico. It primarily explores for copper, silver, zinc, and other metals. The company owns 100% interests in Pinto Valley copper mine located in the Arizona, the United States; Mantos Blancos copper-silver mine located in the Region of Antofagasta, Chile; Santo Domingo copper-iron-gold-cobalt project located in the Atacama region, Chile; and Cozamin copper-silver mine located in the Zacatecas, Mexico. It holds 70% interest in the Mantoverde coppergold mine located in the Region of Atacama, Chile; and a portfolio of exploration properties in Mexico. Capstone Copper Corp. is headquartered in Vancouver, Canada.
Imperial Metals
OTCMKTS:IPMLFImperial Metals Corporation, together with its subsidiaries, engages in the exploration, development, and production of base and precious metals in the United States, Switzerland, China, the Philippines, Singapore, and Canada. It explores for copper, gold, silver, and other precious metals. The company holds 100% interests in the Mount Polley open-pit copper-gold mine located in south-central British Columbia; and the Huckleberry copper mine located in west-central British Columbia. It also holds a 30% interest in the Red Chris copper-gold mine located in northwest British Columbia. Imperial Metals Corporation was incorporated in 1959 and is headquartered in Vancouver, Canada.