1. Air Products and Chemicals Inc.
2. ATCO Australia Pty Ltd
3. BP PLC
4. Clariant AG
5. Energean PLC
6. Eni S.p.A.
7. Equinor ASA
8. Exxon Mobil Corporation
9. FuelCell Energy Inc.
10. Linde PLC
11. L’AIR LIQUIDE S.A.
12. Maire Tecnimont SpA
13. Mitsubishi Corporation
14. Petroliam Nasional Berhad
15. Saudi Arabian Oil Company
16. Shell PLC
17. Siemens AG
18. State Atomic Energy Corporation Rosatom
19. Sumitomo Corporation
20. Suncor Energy Inc.
21. Technip Energies N.V
22. Topsoe A/S
23. TotalEnergies S.E.
24. Uniper SE
25. Woodside Energy Group Limited