BHP Billiton Ltd was incorporated and registered in Australia in 1885. The Company is a natural resources company. It is engaged in the producing commodities, including iron ore, metallurgical and energy coal, conventional and unconventional oil and gas, copper, aluminium, manganese, uranium, nickel and silver. The Company's segments include Petroleum and Potash, Copper, Iron Ore, and Coal. The Petroleum and Potash segment is engaged in the exploration, development and production of oil and gas, and also engaged in potash pre-development. The Copper segment is engaged in mining of copper, silver,lead, zinc, molybdenum, uranium and gold. The Iron Ore segment is engaged in mining of iron ore. The Coal segment is engaged in mining of metallurgical coal and thermal (energy) coal. The Company's geographical segments include Australia, United Kingdom, Rest of Europe, Japan, India, South Korea, Rest of Asia, North America, South America, Southern Africa and Rest of world.