Mitsubishi was on my mind
However also consider;
SUMITOMO CORPORATION
Monday, 05 Jul 2010
http://www.steelguru.com/raw_material_news/Sumitomo_Brazilian_mine_deal_opens_up_iron_ore_market_-_Report/153805.html
The Yomiuri Shimbun reported that Sumitomo Corporation's acquisition of a 30% stake in a Brazilian iron ore mine has opened a crack in iron mining business, which is dominated by 3 giant companies.