Sanyu Construction Co.,Ltd. engages in the construction business. It primarily undertakes building projects. The company also manufactures metal products, such as vehicle brake parts, railway brake shoes, automotive and industrial machinery parts, 4WD parts, gas stove parts, aircraft landing systems, teak products, and construction formwork and small elevator products, as well as evacuation ladder related equipment and fire hydrant boxes. In addition, it is involved in the real estate and hotel business, as well as builds and sells houses. The company was formerly known as Horie Koumuten and changed its name to Sanyu Construction Co.,Ltd. in 1967. Sanyu Construction Co.,Ltd. was incorporated in 1950 and is headquartered in Tokyo, Japan.