必和必拓
BHP is a dual-listed company; the Australian "BHP Billiton Limited" and the British "BHP Billiton plc" are separately listed with separate shareholder bodies, while conducting business as one operation with identical boards of directors and a single management structure. The headquarters of BHP Billiton Limited and the global headquarters of the combined group are located in Melbourne, Australia. The headquarters of BHP Billiton plc are located in London, England. Its main office locations are in Australia, the U.S., Canada, the UK, Chile, Malaysia, and Singapore.