1. Archroma Management GmbH
2. BASF SE
3. CHT Germany GmbH
4. Covestro AG
5. DIC Corporation
6. Evonik Industries AG
7. Huntsman International LLC
8. Kiri Industries Ltd.
9. Lonsen Inc.
10. Lubrizol Corporation
11. Omnova Solutions Inc.
12. Solvay S.A.
13. Tanatex Chemicals
14. The Dow Chemical Company
15. Wacker Chemie AG