Rio Tinto is a great multinational mining company. The main business in mining. The main office is situated in Melbourne. The company is a merger of two companies i.e. Rio Tinto plc and Rio Tinto Limited .The former one is listed in London Stock exchange and Rio Tinto Limited is a registered company at Stock Exchange of Australia. Both these companies joined together to give birth to another business entity with a name Rio Tinto Group.
BHP Billiton an international company, having its head quarter in Melbourne, Australia. It also posses its office in various locations , especially in England. The company is involved in mining business. Different types of mining are done like gold mining, oil mining and gas mining according to the latest statistics, it’s the highest revenue earning company of the world in mining business. It has third rank in the world on the basis of capitalization.
The company came into existence in 2001.The existence was the result of merger of two different companies, naming Broken Hill Proprietary Company Limited (BHP) and the Anglo-Dutch Billiton. Therefore the name is been derived by taking initials of both companies. BHP Billiton is listed on stock exchanges of different countries. BHP Billiton Limited is registered in Australia and is considered to be the largest organization for market capitalization.