1. ABB Ltd.
2. Bharat Gears Ltd.
3. Bonfiglioli Riduttori S.p.A.
4. BorgWarner Inc.
5. Curtis Machine Company Inc.
6. Danfoss A/S
7. David Brown Santasalo
8. Eaton Corporation PLC
9. Emerson Electric Co.
10. FLSmidth A/S
11. Horsburgh & Scott Co.
12. Kanzaki Kokyukoki Manufacturing Co. Ltd.
13. Marine Gears Inc.
14. NSK Ltd.
15. OC Oerlikon Corporation AG
16. Regal Rexnord Corporation
17. Robert Bosch GmbH
18. Schneider Electric SE
19. SEW-EURODRIVE GmbH & Co KG
20. Siemens AG
21. Sumitomo Heavy Industries
Ltd.
22. Superior Gearbox Company
23. The Timken Company
24. Twin Disc Inc.
25. ZF Friedrichshafen AG