1. ACDelco by General Motors
2. BorgWarner Inc.
3. Bremi Fahrzeug-Elektrik of Germany
4. Capable Controls Inc.
5. Classic Coil Company
6. Custom Magnetics Inc.
7. DENSO Corporation
8. Diamond Electric
MFG
9. DRiV Inc.
10. Dynojet Research Inc.
11. Edelbrock Corp.
12. Governors America Corp.
13. HELLA GmbH & Co. KGaA by Faurecia
14. Hitachi
Ltd.
15. Lenz Ignition
16. MARSHALL ELECTRIC
CORP
17. Mitsubishi Electric Corporation
18. Moroso Performance Products
19. NGK SPARK PLUG CO. LTD.
20. Pulse Electronics
a YAGEO company
21. Robert Bosch GmbH
22. Standard Motor Products Inc.
23. VALEO SA
24. Walker Products
25. Yura(Rizhao) Electronic Technology Co. Ltd.