1. Addinol
2. BP plc
3. Chemtura Corporation
4. Croda International plc
5. Eni S.p.A.
6. enrite Oil Co. Pty. Ltd.
7. ExxonMobil Corporation
8. Fuchs Petrolub SE
9. Ineos Group Ltd
10. Labdhi Chemicals
11. Lubricon
12. Lukoil
13. Mitsui Chemicals Inc.
14. NACO Corporation
15. Peak Lubricants PTY Ltd.
16. Petro?Canada Lubricants Inc.
17. Shanghai Fox Chemical Technology Co. Ltd
18. Shell plc
19. The Idemitsu Kosan Company
Ltd.