1. AVL group
2. Ballard Power Systems Inc.
3. BMW Group
4. BorgWarner Inc.
5. Ceres Power Holdings plc
6. Daimler AG
7. Danfoss Power Solutions
8. Ford Motor Company
9. H2SYS
10. Hyfindr GmbH
11. IDTechEx Ltd
12. Lectron EV.
13. Magna International Inc.
14. MAHLE GmbH
15. Nissan Motor Corporation
16. NOW GmbH
17. Plug Power Inc
18. SAE International.
19. Samsara Inc.
20. Senior plc
21. Siemens AG
22. Springer Nature Switzerland AG,
23. Valeo SA
24. Volvo Car Corporation
25. Wrightspeed Inc.