Raito Kogyo Co. Ltd. engages in civil engineering related works. It operates through the Construction and Others segments. The Construction segment is involved in slope protection work, landslide prevention work, ground improvement, piles and diaphragm walls and other engineering works. The Others segment includes sale of construction materials, leasing business, management of welfare facilities, life and non-life insurance agencies, and nursing care business. The company was founded by Tadao Kamijo in 1943 and is headquartered in Tokyo, Japan.