02/2554 – G-TEC
04/2554 – Siam Cement Group (SCG)
04/2555 – YMP TOOLS (THAILAND) CO., LTD.
07/2555 – AMT
05/2556 – Thai Samsung Electronics Co., Ltd.
05/2556 – Thai A-Tech Solution.Co.,Ltd.
07/2556 – Hanil Forging (Thailand) Co.,Ltd.
08/2556 – WINIX
08/2556 – DAEDONG ELECTRIC CO. LTD
04/2557 – PHOENIX
03/2558 – LG Electronics Inc.
01/2559 – DAEBU AUTOMOTIVE SEAT INDIA PVT.LTD.
05/2560 – SNC Former Public Company Limited
05/2560 – KOWA-EMORI (THAILAND) CO., LTD.
02/2562 – Xcellent Manufacturing (Thailand) Co., Ltd.
01/2563 – Daikin Industries (Thailand) LTD.
01/2563 – T.D.K. INDUSTRIAL CO., LTD.