Factories
- Thappline Co., Ltd.
- Safeskin Medical & Scientific (Thailand) Co., Ltd., Songkhla
- Bridgestone Natural Rubber (Thailand) Co., Ltd., Songkhla
- Gas Separation Plants, PTT PLC, Rayong
- Nong Khae and Birdy Factory, Ajinomoto (Thailand) Co., Ltd,
Saraburi
Others
- Citi Bank Branches
- Rajavithi Hospital
- Central Laboratory (Thailand) Co., Ltd.
- Aeronautical Radio of Thailand Ltd.
- Thai Air Asia Co., Ltd.
- Health Center Wongsawang