- Mitsubishi Electric Corp.
- Infineon Technologies AG
- Fuji Electric Co. Ltd
- Fairchild Semiconductors (ON Semiconductor – Parent Company)
- Semikron Elektronik GmbH & Co. KG
- ROHM Co. Ltd
- Vincotech GmbH
- Future Electronics Inc.
- ST Microelectronics NV
- Powerex Inc.
- ON Semiconductor Corporation