1. Mitsubishi Electric Corporation
2. Infineon Technologies AG
3. Fuji Electric Co. Ltd.
4. ON Semiconductor Corporation
5. STMicroelectronics N.V.
6. Renesas Electronics Corporation
7. Semikron International GmbH
8. ROHM Co. Ltd.
9. Texas Instruments Incorporated
10. Powerex Inc.
11. Vincotech GmbH
12. Sanken Electric Co. Ltd.