1. Alphagary Group
2. Avient Corporation
3. Borealis AG
4. Buss AG
5. Cabot Corporation
6. DuPont de Nemours Inc.
7. Eastman Chemical Company
8. ENEOS NUC Corporation
9. Evonik Industries AG
10. Exxon Mobil Corporation
11. Hanwha Solutions Corporation
12. Melos GmbH
13. Mitsubishi Chemical Corporation
14. RIKEN TECHNOS CORPORATION
15. SCG Chemicals Public Company Limited
16. Solvay S.A.
17. Teknor Apex Company
18. Trelleborg AB