1. Arkema Group
2. BASF SE
3. CAC Admixtures
4. Enaspol a.s.
5. Euclid Chemical Company
6. GCP Applied Technologies Inc. by Saint-Gobain
7. Hebei Yida Cellulose Co. Ltd.
8. Kao Corporation
9. MAPEI S.p.A.
10. Rain Carbon Inc.
11. Rhein-Chemotechnik GMBH
12. Sika Corporation
13. Sure Chemical Co. Ltd.
14. W. R. Grace & Co. by Standard Industries
15. Weifang Beacon Chemical Building Materials Co. Ltd.