1. Allnex GmbH
2. Arkema S.A.
3. Asahi Kasei Corporation
4. BASF SE
5. Celanese Corporation
6. DIC Corporation
7. Engineered Polymer Solutions
8. Mallard Creek Polymers Inc.
9. Momentive Performance Materials Holdings LLC
10. Omnova Solutions Inc.
11. Specialty Polymers Inc. by The Sherwin-Williams Company
12. STI Polymer
13. The Dow Chemical Company
14. The Lubrizol Corporation
15. Trinsea Co.