1. ABB Ltd.
2. Banks Power
3. BMTS Technology GmbH & Co. KG
4. BorgWarner Inc.
5. CARDONE Industries Inc.
6. Continental AG
7. Cummins Inc.
8. Eaton Corporation PLC
9. Exxon Mobil Corporation
10. Garrett Motion Inc.
11. Hunan Tyen Machinery Co. Ltd.
12. IHI Corporation
13. IPE Turbo
14. Mahle GmbH
15. Mitsubishi Heavy Industries Ltd.
16. Ningbo Motor Industrial Co. Ltd.
17. Precision Turbo and Engine
18. Robert Bosch GmbH
19. Rotomaster International
20. SPA Turbo USA
21. Turbo Concepts
22. Turbo Dynamics Ltd.
23. Turbo Energy Ltd.
24. Turbonetics Inc.
25. Turbosmart