- Air France
- Alcazar Co.,Ltd. (Pattaya)
- Apollo (Thailand) Co., Ltd.
- Asian Institute of Technology (AIT)
- Bangkok Club Co., Ltd.
- Bangkok Prapadang Hospital
- Bangkok Ranch Co., Ltd.
- Bangna Steel Work Ltd, Part
- Batagro Group
- British Broadcasting Corp. (BBC) WS Asia Relay Station
- Carlsberg Brewery (Thailand) Co., Ltd.
- Centago-Chicken Co., Ltd.
- Charoen Pokphand Foods Public Company Limited (CPF)
- Chulabhorn Research Institute
- CP Vietnam Live Stock Co., Ltd.
- Dali Restaurant Co., Ltd.
- Denso (Thailand) Co., Ltd.
- Dimond Foods & Drink Co., Ltd.
- Drive Inn Hotel Co., Ltd.
- Dumex Limited
- Dynea Krabi Co., Ltd.
- Euro Thai Engineering Co., Ltd.
- Garden Home Resort
- German Thai Boiler Engineering Cooperation Ltd.
- Grace Hotel Co., Ltd.
- Huachiew General Hospital
- Hua-Hin Cliff View Co., Ltd.
- Intra Regent Hotel
- Kang Yong Co., Ltd.
- Kasetsart University
- Khao Shong Industry 1979 Co., Ltd. (Khao Shong Coffee)
- Mahajak Autoparts & Mahajak Industry
- MCOT Public Company Limited
- Metropolitan Electricity Authority
- Narai Hotel
- National Housing Authority
- Neptune Drinking Water
- Nippondenso (Thailand) Co., Ltd.
- Note Printing Works, Bank of Thailand (BOT)
- PakTai ChuePlerng Co., Ltd. (PT Petroleum)
- Pioneer Industrial Co., Ltd.
- Queen Sirikit National Institute of Child Health
- Rangsit University
- Rose Garden Hotel
- Royal Police Cadet Academy (Samphran)
- Shinawatra Fashion House Ltd., Part.
- Siampark City
- Thai Kawazumi Co., Ltd.
- Thai Pure Gas Co., Ltd.
- Thailand Carpet Manufacturing Plc. (Tai Ping)
- Thaiplywood Co., Ltd. , Ministry of Natural Resources and Environment
- The Imperial Hotels Group
- The Royal Project, Chiang Mai
- The Thai Silk Company (Jim Thompson)
- Thonburi Hospital
- TIPCO Asphalt Public Company Limited
- Toray Fibers (Thailand)
- Toyota Nontaburi
- United Foods Co., Ltd.

And more .... 

• Aquacheme References 1
• Aquacheme References 2