1. Aisin Corporation
2. B&B Manufacturing Inc.
3. Bando USA Inc.
4. BorgWarner Inc.
5. Continental AG
6. DRiV Incorporated
7. Federal-Mogul Motorparts Corporation
8. Fenner Plc
9. Gates Corporation
10. GM Holden Ltd
11. MAHLE GmbH
12. Ningbo Fulong Synchronous Belt Co. Ltd.
13. NTN Corporation
14. Schaeffler Technologies AG & Co. KG
15. The Carlstar Group
16. The Goodyear Tire & Rubber Company
17. Toyoda Gosei Co. Ltd.
18. Tsubakimoto Chain Co.