1. BP PLC
2. CITGO Petroleum Corporation
3. ENEOS Corporation
4. Exol Lubricants Limited
5. Gazpromneft - Lubricants
Ltd.
6. Gulf Oil International Ltd. by Hinduja Group
7. Harrison Manufacturing Company
8. Indian Oil Corporation Ltd.
9. LanoPro Production AS
10. LIQUI MOLY USA Inc.
11. Lubriplate Lubricants Company
12. Lucas Oil Products Inc.
13. Lukoil Oil Company
14. Penrite Oil
15. Petromin Corporation
16. PETRONAS Lubricants International
17. Phillips 66 Company
18. Sadaps Bardahl Corporation S.A.
19. Shell PLC
20. Sinopec Corp.
21. TotalEnergies SE
22. Warren Oil Company
LLC
23. WD-40 Company
24. Yamaha Motor Corporation