Mitsui Group (Public, TYO:8031) is one of the largest corporate conglomerates (Keiretsu) in Japan and one of the largest publicly traded companies in the world. Companies currently associated with the Mitsui family include Mitsui & Co., Mitsui Construction Co., Mitsui Engineering and Shipbuilding Co., Mitsui Mining & Smelting Co., Mitsui OSK Lines Ltd., Mitsui Petrochemical Industries Ltd, Mitsui-gold, Mitsui Fudosan, Tri-net Logistics Management, Mitsui Chemicals and Pacific Coast Recycling, Mitsui-Soko Co,Ltd.