1. Public company
   1.1 Deva Property Public Company Limited
   1.2 Brooker Group Public Company Limited
   1.3 GM Multimedia Public Company Limited
   1.4 Scandinavia Leasing Public Company Limited

2. Singapore Company
   2.1 L.M Systems (Thailand) Co., Ltd.
   2.2 Newera Equipment Pte.Ltd.

3. Electronics Company
   3.1 Maxon CIC (Thailand) Co., Ltd. and Representative office of Korea
   3.2 Synergy Systems Co., Ltd.
   3.3 Amp & Ohm Application Co., Ltd.
   3.4 Amp & Ohm Products Co., Ltd.
   3.5 Wichukorn Rungsri Denki Co., Ltd.
   3.6 Comfort Services Center Co., Ltd.

4. Others Company 150 Companies (Manufacture, Real-estate, Others )