Gecoss Corporation rents and sells construction machinery and steel products in Japan. The company is involved in the rental and sale of temporary construction materials, such as H-shaped steel, steel sheet piles, iron plates, covering plates, and earth retaining materials. It also design, manufactures and sells erection and demolition work of mountain retaining and gantry, pile driving and pulling work, and obstacle removal work; rents, sells, and manufactures temporary bridges, station building platforms, stairs, shield mounts, road bridges, and bridge fall prevention hardware; rents cars; and rents construction equipment, such as aerial work platforms, backhoe, generators, light temporary construction and unmanned construction robot. In addition, the company undertakes design and construction of pile punching work, erection and demolition, soil cement column wall construction, etc. Further, it provides planning and design, and technical support services for temporary construction works. The company was incorporated in 1946 and is headquartered in Tokyo, Japan.