10 largest mining companies in the world | Mining Global ...
Jun 15, 2017· Founded in March 1962, Rio Tinto is now recognised as one of the leading mining companies throughout the world. Operating through five product groups, including Aluminium, Copper, Diamonds and Minerals, Energy and Iron Ore. Rio Tinto currently operates in close to 32 countries across six countries, including Brazil, France, Chile and Canada but the company has the strongest footprint .