1. Alltech Group
2. Boral Limited
3. BP PLC
4. Cement Roadstone Holdings PLC
5. CEPSA Comercial Petroleo
S.A.
6. Chevron Corporation
7. Ergon Inc.
8. Exxon Mobil Corporation
9. Grupa LOTOS
10. HollyFrontier Corporation
11. Indian Oil Corporation Ltd.
12. Lukoil
13. Marathon Petroleum Corporation
14. NuStar Energy L.P.
15. OMV AG
16. PT Pertamina International EP
17. Puma Energy
18. Repsol S.A.
19. Royal Dutch Shell PLC
20. Sasol Germany GmbH
21. SK Energy Co. Ltd.
22. Sonatrach Petroleum Corporation
23. Thai Oil Group
24. Tipco Asphalt Public Company Limited
25. TotalEnergies SE
26. Valero Energy Corporation
27. Wolf Paving