Fujitsu(Thailand) Co., Ltd.
HANA Semiconduct (Ayuthaya)Ltd.
Toshiba Semiconductor (Thailand)Ltd.
Agere Systems Microelectronic (Thai) Co.,Ltd.
Sony Semiconductor (Thailand)Ltd.
OKI (Thailand) Ltd.
Romh Apollo Electronics (Thailand) Co.,Ltd
N.S. Electronics (Bangkok) 1993 Co.,Ltd.
Phillip Semiconductor
Spansion (Thailand) Ltd.
Circuit Electronic Industries Public Co.,ltd.
HANA Semiconductor (Bangkok) Ltd.
Seagate (BKK, Korat)