Patricio Enei

Antofagasta Minerals SA explores and mines copper. It has operations in Chile, Peru, Ecuador, Colombia, and Pakistan. The company is headquartered in Santiago, Chile.

Part of Antofagasta Plc, Antofagasta Railway Co. Plc is a British mining company that seeks to expand its mineral resource base through exploration activities in and abroad, with a focus on Antofagasta. The private company is based in London, UK. The company's purpose is to develop mining for a better future in an innovative, sustainable, and inclusive manner. The company was founded in 1888 and its core business represents over 97% of Group revenue and EBITDA.

Minera Escondida Ltda. engages in the mining and production of copper concentrate and cathodes via oxidized ore leaching and low-grade sulphide bioleaching. The firm was founded in 1985, and is based in Antofagasta, Chile.

Part of Minera Mantos Minorco Limitada, Collahuasi is a mines copper concern. Collahuasi was acquired by Minera Mantos Minorco Limitada from Chevron Corp. on December 24, 1992 for $190 million.