1. BASF SE
2. Birla Corporation
3. Borregaard AS
4. Cement Australia Holdings Pty Limited
5. Chevron Phillips Chemical Company LLC
6. Compagnie de Saint-Gobain S.A.
7. Concrete Additives & Chemicals Pvt. Ltd.
8. Crommelin Waterproofing & Sealing
9. Elkem ASA
10. Fosroc International Limited
11. Heidelberg Materials AG
12. Hindcon Chemicals Ltd.
13. Huntsman International LLC
14. Kao Corporation
15. Lafarge Group by Holcim Ltd
16. Lanxess AG
17. MR BOND POLYCHEM
18. Oscrete UK Ltd.
19. Productos Qu?micos para el Cemento
S. L.
20. Shandong Gaoqiang New Materials Technology Co. Ltd.
21. Sika AG
22. The Dow Chemical Company
23. USG Corporation
24. W. R. Grace & Co. by Standard Industries Inc.
25. Yara International ASA
26. Yuan Wang Imp & Exp Co. Ltd.