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Assembly Industry
Am Air Co., Ltd. (Trane Air Conditioning)
Link Manufacturing Co., Ltd. (Carrier Air Conditioning)
Kulthorn Kirby Public Co., Ltd. (Compressor)
Siam Hitachi Elevator Co.,Ltd.
General Industry
SCG – Paper group
Thai Airway International Public Co., Ltd.
Thai Central Chemical Co., Ltd.
UBE Group – Thailand
TOA Dovechem Co., Ltd.
Jotun Thailand Limited
Sumitomo Electric Wintec Thailand
Thai Ceramic Industry Co., Ltd,
Concrete Product and Aggregate Co.,Ltd
Osotspa Co., Ltd.
Thaiscandic Steel Co., Ltd.
Shizuki electric (Thailand) co. ltd
Automotive Industry
Thai Suzuki Co., Ltd.
HINO Motor Manufacturing Ltd.
Siam Kubota Corporation., Ltd.
Thai Seat Belt Co., Ltd
KYB ( Thailand) Co., Ltd.
Siam Michilin Co., Ltd.
Thai Engineering Product Co., Ltd.
Enkai Thai Co., Ltd.
Borgwarner Thailand Co., Ltd.
Scania Siam Co., Ltd.
CH Radiator Co., Ltd.
TRW Fuji Serina Co., Ltd.
Bridgestone Manufacturing Co., Ltd.
Thai Radiator Co., Ltd.
SANY Thaiyont Co.,Ltd
Thai Auto Conversion Co., Ltd.
