Totetsu Kogyo Co., Ltd. engages in the business of civil engineering and construction services. It operates through the following business segments: Civil Engineering, Architectural, and Others. The Civil Engineering segment includes planning, design, construction, and renovation of bridges, tunnels, motorways, and railways. The Architectural segment deals with the construction and maintenance of station buildings for railways lines, as well as apartment houses, office buildings, hotels, shops, and schools. The Others segment covers railway-related product manufacturing and sales, real estate leasing business, and environmental business. The company was founded on July 7, 1943 and is headquartered in Tokyo, Japan.