KOATSU KOGYO CO., LTD. is a company mainly engaged in the designing, construction and supervision of civil engineering and construction activities that utilize pre-stressed concrete (PC) and general concrete. The Company has four business segments. The Construction segment is involved in the bridge and various concrete structure repair activities. The Concrete Product segment sells PC-related and general civil engineering concrete products, and leases metal molding forms. The Real Estate segment leases real estate with a focus on hotel facilities. The Others segment is engaged in the electric power distribution business and food products business. As of September 30, 2014, the Company had two subsidiaries.