1. Archroma Group
2. Asia Pulp & Paper (APP) Sinar Mas
3. BASF SE
4. Burgo Group S.p.A.
5. Celanese Corporation
6. Eastman Chemical Company
7. Elementis PLC
8. Gulshan Polyols Ltd.
9. Imerys S.A.
10. Kunal Calcium Limited
11. Michelman Inc.
12. Minerals Technologies Inc.
13. Nippon Paper Industries Co. Ltd.
14. Omya AG
15. Penford Corporation by Ingredion Incorporated
16. Roquette Fr?res S.A.
17. Royal Avebe
18. Stora Enso Oyj
19. The Dow Chemical Company