Dai-Dan Company Limited operates in the Heavy construction sector. DAI-DAN CO., LTD. is a company engaged in the provision of engineering services. The Company is engaged in the design, supervision and construction of electrical facilities, such as electric power, communications, disaster-prevention, illumination, acoustic, lighting conductors, measurement and instrumentation equipment; sanitary facilities, such as supply, disposal, factory pipe work, fire-extinguishing and special equipment; air-conditioning facilities, such as air-conditioning, controlling and delivering equipment, as well as ecological, amenity, intelligent, micro and other systems. It also provides renewal construction services for buildings, offices and other various facilities. As of March 31, 2011, the Company had five consolidated subsidiaries and six non-consolidated subsidiaries. In our complete report available for purchase the company is compared to: Shin Nippon Air Technologies Co., Ltd., Hibiya Engineering, Ltd. and Taisei Oncho Co.