Anglo American is a British multinational mining company with headquarters in London, England. It is the world’s largest producer of platinum, representing approximately 40 percent of global output, as well as being a major producer of diamonds, copper, nickel, iron ore, polyhalite and steelmaking coal. The company has operations in Africa, Asia, Australia, Europe, North America and South Americ

Capstone Copper is a Canadian mining company based in Vancouver. Its assets include the mines of; Mantoverde and Mantos Blancos in Chile, Cozamin in Mexico and Pinto Valley in Arizona, United States.[3][4][5] It runs also the mining projects of Copper Cities and Santo Domingo in Arizona and Chile respectively.[3] Santo Domingo is Capstone Copper’s first greenfield exploration project in Chile.