- Renu Natirat
- Address:Rama
- Meekwamsuu
- Address:Ratchaprarop
- C.E. Instruments (Thailand) Co., Ltd
- Address:68/876 Moo 8, Rattanatibet Rd, Bangkrasor, Muang, Nonthaburi 11000, THAILAND
- Royal Electronic Factory(Thailand) Co., Ltd.
- Address:
- Siamese Twin Corporation Co.,LTD.
- Address:
- EKARAT SOLAR CO LTD
- Address:9 / 291 UM Tower Saunlaung Ramkhamhaeng
- Todenko (Thailand) Co., Ltd.
- Address:700/724 Moo 3, Amata Nakorn Industrial Estate, Amphur Phanthong , Chonburi, Other, Thailand
- Dixell ( Asia ) Co., Ltd
- Address:2893, 2895 Phattanakan Road
- NSTHAI Co.,Ltd.
- Address:Lathprao54 / 1
- TOA E&I Thailand Co.,LTD.
- Address:195Empire Tower, South Sathorn Rd.Yannawa Sathorn Bangkok
- L.S.K.INTERNATIONAL LTD.,PART.
- Address:Threemid
- N. R. Engineering Co. , Ltd.
- Address:184 / 17 Phetkasem Soi 32, Phetkasem Road, Pakklong Pasijaroen
- Electrical Service
- Address:310 / 13, M1, Thepkrasattri Rd. , Thepkrasattri
- Mountainclay
- Address:135 / 78 Kamol Building, M. 10, Bangkok-Pathumthanee Rd. , Bangkuwat,
- RASPBERRY SULUTION COMPANY LIMITED
- Address:38
- Mabalu Energy Thai
- Address:15th Floor, B. B. Building, No. 54, Sukhumvit 21 Road, North Klongtoey
- Electronics Industry Public Company Ltd ( EIC )
- Address:
- APT Group Co., Ltd.
- Address:2014 / 32-36 Teparak
- Ekarat Solar Company Limited
- Address:28th Floor, U.M. Tower Building, 9/291 Ramkhamhaeng Road, Suanluang District, Bangkok 10250, Thailand.
- TATSUMI CORPORATION CO.,LTD.
- Address:1 / 410 Phahonyothin Rd