1. Alps Electric Co. Ltd.
2. Aptiv Global Operations Limited
3. BorgWarner Inc.
4. Cebi Group
5. Continental AG
6. Diamond Electric Mfg. Corp.
7. EAO AG
8. GSK Intek Co. Ltd.
9. HELLA GmbH & Co. KGaA
10. Honeywell International Inc
11. Inensy
12. Johnson Electric Holdings Limited
13. KOSTAL Automobil Elektrik GmbH & Co. KG
14. Leopold Kostal GmbH & Co. KG
15. Littelfuse Inc.
16. Marquardt Management SE
17. Minda Corporation Limited
18. Nidec Corporation
19. Omron Corporation
20. Panasonic Corporation
21. PREH GmbH
22. Robert Bosch GmbH
23. TE Connectivity Corporation
24. Tokai Rika Co. Ltd.
25. Toyodenso Co. Ltd.
26. Valeo S.A.
27. Vimercati S.p.A.
28. Yueqing Daier Electron Co. Ltd.
29. ZF Friedrichshafen AG