1. Adeka Corporation
2. BASF SE
3. BRB International b.V.
4. Chempace Corporation
5. Clariant AG
6. Croda International PLC
7. Dorf Ketal Chemicals Pvt Ltd.
8. Eni S.p.A.
9. EUROLUB GmbH
10. Evonik Industries AG
11. IFG Instruments Inc.
12. Infineum International Limited
13. LANXESS AG
14. MOL-LUB Ltd.
15. Palmer Holland Inc.
16. TRInternational Inc.