YUENYONG ENTERPRISES CO., LTD.
Applied Scientific Instruments Co., Ltd.
Alliance Technology Co., Ltd.
Erawan Union Co., Ltd.
BORIM KOREA CO., LTD.
THE SISTER GROUP CO., LTD.
OCME
TOKYO KEIKI INC.
COMPLETE INDUSTRIAL SERVICE CO., LTD.
AMP INTERNATIONAL CO., LTD.
DORNER (M) SDN BHD
GEOTECH INTERTRADE CO., LTD.
Sabklangthong International Co., Ltd.
Kurz (Thailand) Ltd.
Thai Vinyter Co., Ltd.