Customers
- Air Liquid (Thailand) Limited.
- Aperio
- Allegiance Healthcare (Thailand) Limited
- Aumi Co., Ltd.
- Alesco, Kansai
- Anita
- Asian Wire Products Co., Ltd.
- AJETHAI Co., Ltd.
- Bayer (Thai) Co., Ltd.
- Bader (Asia)
- BST Elastomers Co., Ltd.
- Bangkok Polyester Public Co., Ltd.
- Bilfinger Berger (Thai)
- Bangkok Cable Co., Ltd.
- Bitec Exhibition
- BlueScope Steel (Thailand) Co., Ltd.
- Bridgestone NCR Co., Ltd.
- Celestica (Thailand) Limited
- Crompton Specialties Limited
- Cataler (Thailand) Co., Ltd.
- Construction Co., Ltd.
- Coco Co., Ltd.
- Degussa
- Dutch Embassy
- Ford/Mazda AAT
- FPA
- General Motors
- Grand Condominium
- Grohe Siam Limited.
- Grand Condotel
- Gates Unitta Co., Ltd.
- General Seating Co., Ltd.
- HMT Polystyrene Co., Ltd.
- Hydrotek Co.,Ltd
- HMC
- MTP HP JV (Thailand) Limited
- Industrial Water Supply Co., Ltd.
- Indorama Petrochemcal
- ItalThai Engineering Co., Ltd.
- ICC
- Kawasaki Motors Enterprise
- K-line
- Kloeckner
- M+W Zander (Thailand) Ltd.
- Mitsubishi Steel Co., Ltd.
- Mitsubishi Electric Co., Ltd.
- Mitsubishi Motor Co., Ltd.
- Mahaguum Construction Co., Ltd.
- Meyer Aluminium (Thailand) Co., Ltd.
- MTAT
- Mc Connell Dowell
- Nestle (Thailand) Co., Ltd.
- Power Link Limited Partnership
- Peroxythai Co., Ltd.
- PTT
- Padaeng Industries Public Co., Ltd.
- Pichai-Fish Sauce
- Purac
- PTT Cracker Project
- Pamco Trading Limited
- Queen Sirikit Hospital
- Rayong Olefins
- Ronnakit Construction Limited
- Sanko Gosei
- Summit Harness
- Siam Asahi Technoclass Co., Ltd.
- Summitshowa Manufacturing Co., Ltd.
- Siam Compressor Industrial Co., Ltd.
- State Construction Co., Ltd.
- Sanko Gosei Technology (Thailand) Ltd.
- Saint-Gobain Sekurit (Thailand) Co., Ltd.
- Sanyo Kasei (Thailand) Co., Ltd.
- SCG Siam Cement Group
- Sino Thai Engineering
- Siement limited
- State Construction Co., Ltd.
- Saim Scan/ Volclay Siam Project
- Summit Fujikiko Kurata Manufacturing Co., Ltd.
- Summit Showa Manufacturing Co., Ltd.
- Siam United Steel
- SSK.Thai Co., Ltd.
- Thai Nitrate Co., Ltd.
- The Glow Group (Coco Power) Co., Ltd.
- Thai Polycarbonate Co., Ltd.
- Thai Poly acetal Co., Ltd.
- Thai Kamaya Co., Ltd.
- Tuntex Petrochemicals (Thailand)
- Toei Denshi (Thailand) Limited
- Triumph
- Thai President Foods Public Co., Ltd.
- Thai Scandic Steel
- Thai Caprolactum Public Co., Ltd.
- Thai Takenaka International Ltd.
- Thai Takenaka International Ltd.
- Thai Olechemicals
- Thaitronic Industries
- Thai Alrosil Co., Ltd.
- The Aromatic (Thailand) Public Co., Ltd.
- Toyoroki (Thailand) Co., Ltd.
- Toyo Thai Engineering
- Toyo Thai Corporation Public Co., Ltd.
- Thai Nakano Co., Ltd.
- Thai Polycarbonate Co.,Ltd
- TPT Petrochemicals Public Co., Ltd.
- UBE Nylon (Thailand) Limited
- Uhde Engineering
- Unithai Shipyard and Engineering Ltd.
- Valeo Siam Thermal Systems Co.,Ltd
- Wintherms Company Limited
- W-Tech corporation
- Yokohama
