1. A&S Turbochargers Co. Ltd
2. ABB Ltd
3. BorgWarner Inc.
4. Chongqing Subin Mechanical and Equipment Co.Ltd.
5. Cooper Machinery Services
6. DEUTZ AG
7. Fengcheng Zhengquan Machinery Co. Ltd.
8. Hartzell Engine Technologies LLC by Tailwind Technologies Inc.
9. Honeywell International Inc.
10. IHI Corporation
11. Jay Marine Power
12. Kawasaki Heavy Industries
Ltd.
13. Kompressorenbau Bannewitz GmbH
14. Main Turbo Systems Inc.
15. Man Energy Solutions SE
16. Mascot marine services
17. Mitsubishi Heavy Industries
Ltd. by Nidec Corporation
18. Napier Turbochargers
19. PBS Group
a. s.
20. Rolls-Royce PLC
21. SEVEN SEAS MARINE
22. Textron Inc.
23. Turbo Energy Private Limited
24. Turbo Systems Switzerland Ltd
25. VAN DER LEE Turbo Systems
26. Wabtec Corporation