1. Aisin Corporation
2. Atrac Engineering Co.
3. Automotive Valves Pvt. Ltd.
4. AVR Valves Pvt. Ltd.
5. BorgWarner Inc.
6. Continental AG
7. Cummins Inc.
8. Denso Corporation
9. Eaton Corporation PLC
10. G&S Valves Ltd.
11. Hitachi Ltd.
12. Jinan Worldwide Auto-Accessory Limited ICP
13. Johnson Electric Group
14. MAHLE Aftermarket GmbH
15. Mando Corporation
16. NAGANO FORGING CO. LTD.
17. Nextech Industries Private Limited.
18. NITTAN Corporation
19. Robert Bosch GmbH
20. Schaeffler AG
21. SMB Engine Valves
22. SSV Technocrates
23. Tenneco Inc.
24. Valeo SA
25. Vesrah Company Inc.