Accounting and asset management systems
- Asahi (Thailand) Co., Ltd.
- Chuo Thai Cable Co., Ltd.
- Echo (Auto Part) Co., Ltd.
- MHI-Pornchai Machinery Co., Ltd.
- Mitsubishi Logistics (Thailand) Co., Ltd.
- Ohashi Co., Ltd.
- PTS Tool (Thailand) Co., Ltd.
- San-Ei Magnet Wire (Thailand) Co., Ltd.
- Saraya Co., Ltd.
- Sekisui S-Lec (Thailand) Co., Ltd.
- Shiraishi Calcium (Thailand) Co., Ltd.
- Siam NDK Co., Ltd.
- Siam Nippon Steel Logistics Co., Ltd.
- Siam Okamoto Co., Ltd.
- Siam Sunriz Co., Ltd.
- Sum Hitechs Co., Ltd.
- Thai Asakawa Co., Ltd.
- Thai Fine Sinter Co., Ltd.
- Thai Sinter Co., Ltd.
- Toyo America Co., Ltd.








