BHP Billiton PLC (BHP) is an Australia-based mining company having interests in diversified natural resources. The Company mines, extracts and produce aluminum, coal, copper, iron ore, manganese, nickel, silver and uranium, and oil and gas. The Company extracts and process minerals, and oil and gas from its production operations located primarily in Australia, the Americas and Southern Africa. The Company�s assets, operations and interests are separated into five business units, Petroleum and Potash, Copper, Iron ore, Coal and Aluminum, Manganese and Nickel. The Company�s Petroleum and Potash Business comprises conventional and non-conventional operations and a potash project. The Company�s Copper business produces copper and related ores and minerals. The Company�s Iron ore business produces iron ore. The Company�s coal business produces multiple variants of coal. The Company�s Aluminum, Manganese and Nickel business is a producer of aluminum, manganese and nickel.