1. American Manufacturing Co.
2. Amsoil Inc.
3. Ashland Inc.
4. BP PLC
5. Chevron Corporation
6. China Petroleum & Chemical Corporation
7. Coolants Plus Inc.
8. Exxon Mobil Corporation
9. Idemitsu Kosan Co. Pvt. Ltd.
10. Lukoil Group
11. Motul S.A.
12. Old World Industries
LLC
13. Prestone Products Corporation
14. Quaker Houghton
15. Recochem Corporation
16. Shell PLC
17. Sinclair Oil Corporation
18. Solvents & Petroleum Service Inc.
19. TotalEnergies SE
20. Voltronic GmbH