1. Abu Dhabi National Oil Company
2. Aemetis Inc.
3. Atmosfair
4. Avfuel Corporation
5. Bharat Petroleum Corporation Limited
6. BP p.l.c.
7. Chevron Corporation
8. China Aviation Oil (Singapore) Corporation Ltd.
9. Emirates National Oil Company
10. EPIC Fuels
11. Essar Oil (UK) Limited
12. Exxon Mobil Corporation
13. Flightworx
14. Fulcrum BioEnergy
15. Galaxy Aviation Services
16. Gazprom Neft’ PAO
17. Gevo
18. Hindustan Petroleum Corp. Ltd.
19. Honeywell International Inc.
20. Hypoint Inc.
21. Indian Oil Corporation Limited
22. Johnson Matthey
23. KLM Royal Dutch Airlines
24. Lanzatech
25. Lufthansa Group
26. LUKOIL
27. Marathon Petroleum Corporation
28. Neste Oyj
29. Oman Oil Marketing Company
30. OMV Aktiengesellschaft
31. Petr?leo Brasileiro S.A.
32. Phillips 66 Aviation
33. Preem AB
34. PT Pertamina
35. Q8Aviation
36. Qatar Jet Fuel Company
37. Red Rock Biofuels LLC
38. Rosneft Deutschland GmbH
39. Sasol
40. Shell PLC
41. Sinopec Group
42. SkyNRG
43. Swedish Biofuels AB
44. TotalEnergies SE
45. Valero Energy Corporation
46. Vitol Aviation
47. Viva Energy Group
48. Wastefuel
49. World Energy
50. World Fuel Services Corporation