1. 3M Company
2. AB SKF
3. Axel Christiernsson International AB
4. BECHEM Lubrication Technology LLC
5. BP PLC
6. Calumet Specialty Products Partners
L.P.
7. Chevron Corporation
8. China Petrochemical & Chemical Corporation
9. CHS Inc.
10. CITGO Petroleum Corporation
11. DuPont de Nemours Inc.
12. ENEOS Corporation
13. Enilive S.p.A
14. Exxon Mobil Corporation
15. Fuchs Petrolub SE
16. Gazpromneft - Lubricants Ltd.
17. Gulf Oil International Ltd.
18. Harrison Manufacturing Co. Pty Ltd.
19. Hexol Lubricants
20. Honeywell International Inc.
21. Idemitsu Kosan Co. Ltd.
22. Indian Oil Corporation Limited
23. Kluber Lubrication Munchen SE & Co. KG
24. Lanxess AG
25. Lubri-Lab Inc.
26. Marathon Petroleum Corporation
27. Metalube Group
28. Mitsubishi Corporation
29. Neste Corporation
30. Nippon Grease Co. Ltd.
31. Orlen Group
32. Penrite Oil Company
33. Petroliam Nasional Berhad
34. Petromin Corporation
35. Phillips 66 Company
36. Sasol Limited
37. Shell PLC
38. The Lubrizol Corporation
39. The PJSC Lukoil Oil Company
40. TotalEnergies SE
41. Valvoline Inc.