1. AMT Techno
2. Asia Bitumen
3. Asphalt & Bitumen West Co.
4. Athabasca Oil Corporation
5. Baker Hughes Company
6. Bouygues Group
7. BP PLC
8. CEMEX
S.A.B. de C.V.
9. Chevron Corporation
10. China Petrochemical Corporation
11. ENEOS Corporation
12. Exxon Mobil Corporation
13. Gazprom
14. GOIL PLC
15. IKA-Werke GmbH & CO. KG
16. Indian Oil Corporation Ltd.
17. L N PetroChem Pvt. Ltd.
18. Marathon Oil Company
19. Maruti Bitumen Pvt Ltd.
20. NuStar Energy L.P.
21. Nynas AB
22. RAHA GROUP
23. Shell PLC
24. TotalEnergies SE
25. Vivasvanna Exports Private Limited