TPM Consulting Works
- Siam Senater Co., Ltd.
- CNI Engineering and Supply Co., Ltd
- TPN FlexPak Co., Ltd.
- Nutrix PLC.
- Modular Compound Co., Ltd.
- Berli Juker Food Co., Ltd
- Siam Furukawa Co., Ltd.
- CPF (Thailand) PLC. (Food: 5 Plant)
- C.P. Vietnam Corporation Binh Dinh Feed Mill
- C.P. Vietnam Corporation Hai Duong Feed Mill
- TSUBAKI Automotive (Thailand) Co., Ltd.
- Daiwa Kasei (Thailand) Co., Ltd.
- Thai Summit Harness PLC.
- Summit Auto Body Co., Ltd ( 5 Plant)
- Thai Summit Engineering Co.,Ltd
- Pruksa Laboratory Co., Ltd.
- Michelin Siam Co., Ltd.
- TOA Paint (Thailand) Co., Ltd.
- CPPC Public Co., Ltd.
- Siam Chita Co., Ltd.
- Thai Techno glass Co., Ltd.
- Bangkok Metal Work Co., Ltd.
- Ajinomoto Co., Ltd.
- Siam Tin Plate Co., Ltd.
- Pacific Rubber Work Co., Ltd.
- Nawaplastic Industry Co., Ltd.
- CPF (Thailand) PLC. (Feed :6 Plant)
- PTT LNG Co., Ltd. (LNG Terminal)
- PTT NGV Co., Ltd. (NGV Station)
- Brand Suntory (Thailand) Co., Ltd. (2 Plant)
- Siam Chemical Co., Ltd.
- Henkel (Thailand) Co., Ltd.
- Yamasei (Thailand) Co., Ltd.
- Hunstman (Thailand) Co.,Ltd
- Ayutthaya Glass Industry Co., Ltd.
- F&N UNITED CO.,LTD.
- Chia Tai Co., Ltd.
- Thairung Union Car Public Co., Ltd.
- POSCO Coated Steel (Thailand) Co., Ltd.
