1. Dana Corporation
2. IFA Rotorion
3. Meritor Inc.
4. Korea Flange Co. Ltd. (KOFCO)
5. ZF Friedrichshafen AG
6. Showa Corporation
7. JTEKT Corporation
8. GKN-Walterscheid GmbH
9. American Axle & Manufacturing Inc.
10. Gelenkwellen-Service GmbH