BHP Billiton Limited. The Group's principal activities are extracting and processing minerals, oil and gas from its production operations. It operates nine customer sector groups (CSGs): petroleum, aluminum, base metals, diamonds and specialty products, stainless steel materials, iron ore; manganese, metallurgical coal, and energy coal. The petroleum ... More

BHP Billiton Limited. The Group's principal activities are extracting and processing minerals, oil and gas from its production operations. It operates nine customer sector groups (CSGs): petroleum, aluminum, base metals, diamonds and specialty products, stainless steel materials, iron ore; manganese, metallurgical coal, and energy coal. The petroleum involves exploring, developing and producing oil and gas. Aluminium involves in mining bauxite, refining of bauxite into alumina and smelting of alumina into aluminium metal. Base Metals involves mining of copper, silver, lead, zinc, molybdenum, uranium and gold. Diamonds and Specialty Products involves in mining of diamonds and titanium minerals. Stainless Steel Materials involves in Mining and producing nickel products. Iron Ore involves in mining of iron ore. Manganese involves in mining of manganese ore and production of manganese metal and alloys. Metallurgical Coal involves in mining of metallurgical coal and the Energy Coal involves