Top 10 Largest Coal Mining Companies in the World 2020 ...
Jan 03, 2019· Rio tinto was established in 1962 and since then have emerged to be one of the best and largest mining companies in the world. The company has the strongest production in the Australia and North America but it also has a strong foot in Brazil, France, Chile and Canada. Aluminium, Copper, Diamonds and Minerals, Energy and Iron Ore are the main ...