1. ACDelco
2. BorgWarner Inc.
3. CEP Technologies Corporation
4. Continental AG
5. Diamond Electric
MFG
6. Hella GmbH & Co. KGaA
7. Hitachi Ltd.
8. MARSHALL ELECTRIC
CORP
9. Mitsubishi Electric Corporation
10. NGK Spark Plug Co. Ltd.
11. Pulse Electronics
a YAGEO company
12. Robert Bosch GmbH
13. Tenneco Inc.
14. VALEO
15. Wells Vehicle Electronics