1. ARLANXEO
2. Atlantic Gasket Corporation
3. BASF SE
4. Eni S.p.A.
5. Evonik Industries AG
6. ExxonMobil Corporation
7. INEOS Group
8. JSR Corporation
9. Kumho Petrochemical Co. Ltd
10. Lanxess AG
11. Lyondellbasell Industries Inc.
12. PCS Pte. Ltd.
13. Precision Associates Inc.
14. Reliance Industries Limited
15. Repsol S.A.
16. SABIC
17. Shell International B.V.
18. Sumitomo Corporation
19. Synthos S.A.
20. TPC Group
21. Trinseo
22. Yokohama Rubber Co. Ltd
23. ZEON CORPORATION