Sumitomo Densetsu Co Ltd is a Japan-based company mainly engaged in the equipment work business. The Company provides electric power supply work, general electric work, information communication work, plant and air conditioning work and other equipment work, as well as related engineering services. The electric power supply work is mainly engaged in the design, construction and supervision of transmission and distribution equipment. The general electric work is engaged in the design, construction and supervision of electrical installation work and environment related work. The information communication work is engaged in the design, construction and supervision of telecommunication equipment work. The plant and air conditioning work is engaged in the design, construction and supervision of plants and air conditioning sanitary tubes. The Company is also engaged in the insurance agency business, the manufacture and repair of equipment, and the manufacture and sale of water heaters.