BHP:ASE Stock Quote - BHP Billiton Ltd. BHP Billiton - MINING.com. BHP Billiton - Wiki. BHP Billiton is an Anglo-Australian multinational mining and petroleum company headquartered in Melbourne and based in Australia.
It is the world's largest mining company measured by 2011 revenues. As of February 2011, BHP Billiton was also the world's third-largest company measured by market capitalization.[3][4] BHP Billiton - Home.