ADVICS MANUFACTURING (THAILAND) CO.,LTD.

AICA BANGKOK CO.,LTD.

AIR INTERNATIONAL THERMAL SYSTEMS (THAILAND) LIMITED.

AISIN AUTOPARTS (THAILAND)CO.,LTD.

AISIN POWERTRAIN (THAILAND) CO.,LTD.

AISIN SEIKI CO.,LTD.

ARAKAWA CHEMICAL (THAILAND) CO.,LTD.

F & N UNITED LIMITED

HONDA AUTOMOBILE(THAILAND) CO.,LTD.

INOAC(THAILAND) CO.,LTD.

ISUZU ENGINE MANUFACTURING(THAILAND) CO.,LTD.

KANEKA (THAILAND) CO.,LTD.

KAO COMMERCIAL(THAILAND) CO.,LTD.

KUBOTA ENGINE(THAILAND) CO.,LTD.

MAHLE SERVICES (THAILAND) LTD.

MITSUBISHI MOTORS(THAILAND) CO.,LTD.

NISSAN MOTOR (THAILAND) CO., LTD.

OGURA CLUTCH(THAILAND) CO.,LTD. 

OLIC(THAILAND) LTD.

PANASONIC MANUFACTURING (THAILAND) CO., LTD

SANYO KASEI (THAILAND) LTD.

SUMITOMO RUBBER (THAILAND) CO.,LTD. 

SUN-UP RECYCLING CO.,LTD.

TAIYO GASES CO., LTD.

THAI DAIZO AEROSOL CO.,LTD.

THAI GLICO CO.,LTD.

THAI KYOWA BIOTECHNOLOGIES CO.,LTD.

TOTO (THAILAND) CO.,LTD.

TOYO INK (THAILAND) CO.,LTD

TSUBACO KTE (THAILAND) CO.,LTD.

TSUJIYA (THAILAND) CO.,LTD.

UNI-CHARM(THAILAND) CO.,LTD.

YOKOHAMA TIRE MANUFACTURING (THAILAND) CO.,LTD.

Etc.