Coal companies of Australia

thumb|The former BHP Billiton logo

Xstrata plc was an Anglo-Swiss multinational mining company headquartered in Zug, Switzerland and with its registered office in London, United Kingdom. It was a major producer of coal (and the world's largest exporter of thermal coal), copper, nickel, primary vanadium and zinc and the world's largest producer of ferrochrome. It had operations in 19 countries across Africa, Asia, Australasia, Europe, North America and South America.

South32 Limited is a mining and metals company headquartered in Perth, Western Australia. It was spun out of BHP Billiton on 18 May 2015. It is listed on the Australian Securities Exchange with secondary listings on the Johannesburg and London Stock Exchanges.