BHP Billiton Limited is a global resources company. The Company is a producer of various commodities, including iron ore, metallurgical coal, copper and uranium. Its segments include Petroleum, Copper, Iron Ore and Coal. The Petroleum segment is engaged in the exploration, development and production of oil and gas. 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. Its businesses include Minerals Australia, Minerals Americas, Petroleum and Marketing. The Company extracts and processes minerals, oil and gas from its production operations located primarily in Australia and the Americas. The Company manages product distribution through its global logistics chain, including freight and pipeline transportation. Its businesses include Minerals Australia, Minerals Americas, Petroleum and Marketing.