1. 3M Company
2. Akzo Nobel N.V.
3. BASF SE
4. Contego International Inc.
5. Den Braven Limited
6. Dufaylite Developments LTD.
7. Etex Group
8. Fire Protection Coatings Limited
9. GCP Applied Technologies Inc.
10. Hempel A/S
11. Isolatek International
12. Morgan Advanced Materials plc
13. No-Burn Inc.
14. PPG Industries Inc.
15. Rectorseal by CSW Industrials Inc.
16. Rolf Kuhn GmbH by svt Group
17. Sika Group
18. Specified Technologies Inc.
19. Supremex Equipments
20. Tenmat LTD by Diamorph Group
21. The Sherwin-Williams Company
22. Tremco Incorporated
23. USG Corporation
24. W. R. Grace & Co.
25. Walraven