- SIAM P&W TECHNIC CO.,LTD
- Address:255, Soi 44 ONNUT RD, Suanluang
- A2S Bangkok Supply Co.,LTD.
- Address:71 Soi Mubanrung Charoen 1, Bangchak, Prakanong
- North-South Electric Co., Ltd.
- Address:3689/8 Trok Nokked, Nue-Tai Road, Bangklo, Bangkoleam,
1