Sanyu Construction Co., Ltd. engages in general construction, metal product manufacturing, real estate and insurance businesses. It operates through the following business segments: Construction, Real Estate, Metal Products, and Hotel. The Construction segment handles the contracts for general construction and renovation. The Real Estate segment manages the rental and buy and sale of real estate. The Metal Products segment deals with the manufacture and sale of railway vehicle parts, fire-fighting machineries and equipment, and small elevators. The Hotel segment consisting of inns, hotels, and simple lodging businesses. The company was founded on July 11, 1950 is headquartered in Tokyo, Japan.