1. A. B. Enterprises
2. Asahi Kasei Corporation
3. Ascend Performance Materials Operations LLC
4. BASF SE
5. Covestro AG
6. Dytek by Koch Industries Inc.
7. Evonik Industries AG
8. Merck KGaA
9. Prakash Chemicals International Pvt. Ltd.
10. Radici Partecipazioni S.p.A.
11. Reagents
12. Solvay S.A.
13. Spectrum Laboratory Products Inc.
14. Tokyo Chemical Industry Co. Ltd.
15. Toray Industries Inc.