John G. Amato

McMoRan Exploration Co. explores, develops, and produces oil and gas. The company was founded by James R. Moffett and B. M. Rankin Jr. in May 1994 and is headquartered in New Orleans, LA.

PT Freeport Indonesia engages in the mining, processing, and exploration of ores containing copper, gold, and silver. Its mining operation includes drilling, blasting, loading, hauling, and crushing to produce copper ore. The processing operation includes grinding, flotation, and dewatering to produce copper concentrate. The company was founded in 1967 and is headquartered in Jakarta, Indonesia.