Alberto Calderon

AngloGold Ashanti (Pty) Ltd. engages in the exploration, mining, and production of gold. It operates through the following business segments: Africa, Australia, and Americas. The Africa segment consists of Ghana, Guinea, the DRC (Democratic Republic of the Congo), and Tanzania. The Americas segment comprises of Argentina, Brazil, and projects in Colombia and the United States. The company was founded in 1944 and is headquartered in Johannesburg, South Africa.

BHP Group Plc engages in the exploration, development, production, processing and marketing of minerals, and oil and gas. It operates through the following segments: Petroleum, Copper, Iron Ore, and Coal. The Petroleum segment focuses on exploration, development, and production of oil and gas. The Copper segment includes mining of copper, silver, lead, zinc, molybdenum, uranium, and gold. The Iron Ore segment focuses only on mining of iron ore. The Coal segment is the mining of metallurgical coal and thermal energy coal. The company was founded on June 29, 2001 and is headquartered in London, the United Kingdom.

Carbones del Cerrejón Ltd. owns and operates coal mines. The company was founded in 1975 and is headquartered in Bogota, Colombia.