TAISEI ONCHO CO., LTD. is a Japan-based company engaged in the construction of facilities. The Company operates in three business segments. The Facilities Construction segment is engaged in the design, manufacture and contracted construction of air conditioners, isothermal equipment, dehumidifiers, heat exchange systems and refrigerators, among others. The Real Estate Rental segment leases land and buildings for industrial use and residential use. The Others segment is engaged in the sale of air conditioners and other business. As of March 31, 2014, the Company had 13 subsidiaries and one associated company.