三井不動産
The major companies of the group include Mitsui &amp; Co. (general trading company), Sumitomo Mitsui Banking Corporation, Sapporo Breweries, Toray Industries, Mitsui Chemicals, Isetan Mitsukoshi Holdings, Sumitomo Mitsui Trust Holdings, Mitsui Engineering &amp; Shipbuilding, Mitsui O.S.K. Lines and Mitsui Fudosan.