Iron Ore Company of Canada (often abbreviated to IOC) (French: Compagnie Minière IOC) is a Canadian-based producer of iron ore. The company was founded in 1949 from a partnership of Canadian and American M.A. Hanna Company. It is now owned by a new consortium, including the Mitsubishi and Rio Tinto corporations. Rio Tinto is the majority shareholder in the venture, with 58.7% of the joint stock as of October 2013. Mitsubishi controlled 26.2% of the investment as of March 2013.