■Constant Temperature and Humidity Equipment Construction ■Precision Constant Temperature Environment Unit ■Air Conditioning Equipment Construction ■Ventilation Equipment Construction ■Environmental Testing Laboratory Equipment Construction ■Aging Test System Equipment ■Specialized Cooling and Heating Equipment ■Clean Room Equipment Construction ■Partition Construction ■Refrigeration and Freezing Equipment Construction ■Electrical Equipment Construction ■Water Supply and Drainage Equipment Construction ■Fire Protection Equipment Construction ■All-Electric Equipment ■Design and Construction of Other General Equipment Works

Mitsubishi Housing Environment Systems Corporation Mitsubishi Electric Building Techno Service Corporation Chubu Electric Power Company Toh Enekk Co., Ltd. Rokuroku Industries Co., Ltd. Shizuoka Hitachi Refrigeration Co., Ltd. Toyotsu Machinery Co., Ltd. Kanematsu KGK Corporation