1. Adani Green Energy Limited
2. Air Liquide S.A.
3. Air Products and Chemicals Inc.
4. Avaada Energy Pvt. Ltd.
5. Ballard Power Systems Inc.
6. Bloom Energy Corporation
7. Cummins Inc.
8. CWP Global
9. ENAPTER s.r.l.
10. ENGIE SA
11. Green Hydrogen Systems A/S
12. Hiringa Energy Limited
13. HydrogenPro ASA
14. Iberdrola
S.A.
15. ITM Power PLC
16. Iwatani Corporation
17. Kawasaki Heavy Industries
Ltd.
18. Larsen & Toubro Limited
19. Linde PLC
20. McPhy Energy S.A
21. Messer SE & Co. KGaA
22. Nel ASA
23. NEOM Company
24. Ohmium International Inc.
25. Plug Power Inc.
26. PowerCell Sweden AB
27. Reliance Industries Limited
28. Saudi Arabian Oil Company
29. Siemens AG
30. Thermax Limited
31. Topsoe A/S
32. Toshiba Corporation
33. Uniper SE