1. 3M Company
2. Alchemco
3. ALCHIMICA S.A.
4. Arkema S.A.
5. BASF SE
6. Carlisle Companies Inc.
7. CHRYSO India Private Limited
8. Compagnie de Saint-Gobain S.A.
9. DuPont de Nemours Inc.
10. Elmich Pte Ltd.
11. Fosroc Inc.
12. Fuhua Waterproofing Technology Co. Ltd.
13. GAF Materials LLC
14. GCP Applied Technologies Inc.
15. Henkel AG & Co. KGAA
16. IKO PLC
17. Kemper System GmbH & Co. KG
18. Key Resin Company
19. LATICRETE International Inc.
20. Mapei SpA
21. Metal-Era LLC
22. Minerals Technologies Inc.
23. PROSOCO by Boyer Industries Corporation
24. Shandong Chenhua Waterproof Co. Ltd.
25. Sika AG
26. Siplast Inc.
27. SOPREMA SAS
28. STP Limited
29. Tremco CPG Inc.
30. W. R. Meadows Inc.
31. Westlake Huasu Suzhou Co. Ltd.