Air internaltional
Thai Kansai Paint Co.,LTD.
Ford Motor (Thailand) Co.,Ltd.
Hitachi Chemical Automotive Thailand Co.,Ltd.
Valmate Forward
Thai Asakawa co. ltd
Suruga (Thailand ) Lo.,Ltd
Sub-Contract Thai Semcon Co.,Ltd
LG electronics thailand co. ltd
Sekisui (Thailand) Co.,Ltd.
Katoen Natie (Thailand) Limited
Kansai resin (Thailand) Co.,Ltd
Thai Summit Group
QTC Energy Public Company Limited