1. Adinath Chemicals
2. Bharat Petroleum Corporation Limited
3. BP PLC
4. C.J. Robinson Company Inc.
5. Calumet Specialty Products Partners
L.P.
6. Chevron Corporation
7. China Petrochemical Corporation
8. Eastern Petroleum Pvt. Ltd.
9. Exxon Mobil Corporation
10. Fuchs Petrolub SE
11. H&R GmbH & Co. KGaA
12. HollyFrontier Corporation
13. Idemitsu Kosan Co.Ltd.
14. Indian Oil Corporation Limited
15. Nandan Petrochem Ltd.
16. Nynas AB
17. Oxiteno S.A.
18. Panama Petrochem Ltd.
19. Petro-Canada Lubricants Inc.
20. Phillips 66 Company
21. Raj Petro Specialities Pvt. Ltd.
22. Renkert Oil LLC
23. Sasol Limited
24. Savita Oil Technologies Ltd.
25. Shell PLC
26. TotalEnergies SE