Mitsui Engineering & Shipbuilding Co., Ltd. is principally engaged in shipbuilding business. The Company has four business segments. The Ship and Ocean segment is engaged in the research, design, manufacturing, sale, repair and leasing of various ships. The Machinery segment is engaged in the design, manufacturing and sale of various machinery and casting products. The Engineering segment is engaged in the operation, management and electricity sale of power generation facility, the contracted operation and maintenance of waste and water treatment plants, cleaning plant and others, as well as the manufacturing and sale of steel structures. The Other segment is engaged in the leasing and management of real estate, the provision of warehousing and engineering services, and the construction, installation and maintenance of various engineering works. As of March 31, 2014, the Company had 110 subsidiaries and 46 associated companies.