1. BASF SE
2. Bayer AG
3. Celanese Corporation
4. Clariant AG
5. Croda International PLC
6. Dupont
7. Evonik Industries AG
8. Huntsman Corporation
9. Solvay S.A.
10. Sumitomo Chemicals Co. Ltd.
11. The Chemours Company
12. The Dow Chemical Company
13. The Seydel Companies Inc.
14. Wacker Chemie AG