1. Abu Dhabi National Oil Company
2. BP PLC
3. Celanese Corporation
4. Chevron Corporation
5. China National Petroleum Corporation
6. Dakota Gasification Company
7. DGFuels
LLC
8. Dr. Ing. h.c. F. Porsche AG
9. Ekobenz Sp. z o. o.
10. ENEOS Group
11. Exxon Mobil Corporation
12. HIF Global
13. Honeywell International Inc.
14. Idemitsu Kosan Co.Ltd.
15. Indian Oil Corporation Limited
16. INERATEC GmbH
17. Linde PLC
18. Maire Tecnimont S.p.A.
19. Mitsubishi Corporation
20. Neste Corporation
21. Norsk e-Fuel AS
22. ORLEN S.A.
23. Osaka Gas Co. Ltd.
24. PetroSA
25. Phillips 66
26. QatarEnergy
27. RWE AG
28. Sasol Limited
29. Saudi Arabian Oil Company
30. Shell PLC
31. Siemens Energy AG
32. Sumitomo Heavy Industries
Ltd.
33. Sunfire GmbH
34. Synhelion SA
35. Synthesis Energy Systems Inc.
36. Toho Gas Co. Ltd.
37. Tokyo Gas Co. Ltd.
38. Topsoe A/S
39. TotalEnergies SE
40. Upcycle Technologies
41. Yokogawa Electric Corporation
42. Zero Petroleum Limited