Factories
- Thappline Co., Ltd.
- Zagro (Thailand) Co., Ltd.
- Safeskin Medical & Scientific (Thailand) Co., Ltd., Songkhla
- Gas Separation Plants, PTT PLC, Rayong
- Sapthip Co., Ltd.
- Thai Roong Ruang Energy Co., Ltd.
- Thai Shinryo Co., Ltd.
- Nitto Matex (Thailand) Co., Ltd.
- Bridgestone Natural Rubber (Thailand) Co., Ltd., Songkhla
- Nong Khae and Birdy Factory, Ajinomoto (Thailand) Co., Ltd,
Saraburi
Others
- Aikchol Hospital
- Rajavithi Hospital
- Health Center Wongsawang