Mitsui Group is one of the largest keiretsu (group of companes) in Japan and one of the largest corporate groups in the world.

The major companies of the group include Mitsui & Co. (general trading company); Sumitomo Mitsui Banking Corporation; Sapporo Breweries; Toray Industries; Mitsui Chemicals; Isetan Mitsukoshi Holdings; Sumitomo Mitsui Trust Holdings; Mitsui Engineering & Shipbuilding; Mitsui O.S.K. Lines and Mitsui Fudosan. Pictures From History