BHP Billiton Plc. discovers, acquires, develops, and markets natural resources worldwide. The company engages in the exploration, development, and production of oil and gas; development of potash; mining of metallurgical coal, thermal coal, copper, silver, lead, zinc, molybdenum, uranium, gold, and iron ore. The company was founded in 1996 and is based in London, the United Kingdom. BHP Billiton Plc is a subsidiary of BHP Billiton Group.