MATSUI CONSTRUCTION CO., LTD. is primarily engaged in contract construction business. The Company operates in two business segments. The Construction segment is engaged in the contract construction works and other works. The Real Estate and Others segment is engaged in the purchase and sale of land and buildings, as well as the leasing of housing and offices. This segment is also engaged in the sale of construction materials. As of March 31, 2014, the Company had two subsidiaries and two associated companies.