Julio César Castillo Cortez

Founded in 1991, Los Pelambres is a Chilean copper mining company that explores copper mines.

Minera Michilla SA is a mining company. It is engaged in producing copper, gold and their by-products in the open pit and underground mine, and the cathode production plant. The company was founded on May 29, 1959 and is headquartered in Santiago, Chile.

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

VTR GlobalCom SpA operates cable television network. It offers broadband internet, pay-to-view television, telephony services in 49 cities in Chile. The company also offers these services in an integrated package under the brand names Triple Pack Light, Triple Pack Gold and Triple Pack Clásico. VTR GlobalCom was founded in 1928 and is headquartered in Las Condes, Chile.

Part of Antofagasta Plc, Northern Metals (UK) Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2010.

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 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.