- E-Tech (วิทยาลัยเทคโนโลยีภาคตะวันออก)
- Poomjai Engineering Co., Ltd.
- PPlus Integrated Engineering Co., Ltd.
- Accutool Group Co., Ltd.
- MTEC
- Philips Lighting Industry (China) Co., Ltd.
- Philips China Investment
- Philips Vadodara Light Factory (India)
- Philips Lighting Roosendaal (The Netherlands)
- Philips Electronics (Thailand) Ltd.
