Mori-Gumi Co., Ltd. engages in the provision of civil engineering and construction services. It operates through the following business segments: Construction, Real Estate, and Quarry. The Construction segment provides general construction services. The Real Estate segment deals with real estate sales and development operations. The Quarry segment handles quarry stones and rocks. It also provides septic tank works, collection and sale of crushed stones, manufacture and sale of pollution prevention equipment, purchase and sale of construction and civil engineering equipment, and others. The company was founded on June 8, 1899 and is headquartered in Osaka, Japan.