1. 3M Company
2. Alpha Pro Tech
Ltd.
3. ANCI Inc.
4. AtticFoil Radiant Barrier Supply LLC
5. Auroma Geotex Private Limited
6. Benjamin Obdyke Inc.
7. Berry Global Group Inc.
8. Builders FirstSource Inc.
9. Carlisle Companies Incorporated
10. Compagnie de Saint-Gobain
11. DuPont de Nemours Inc.
12. Ewald D?rken AG
13. GCP Applied Technologies Inc.
14. Georgia-Pacific LLC
15. Gulnar Plastics Pvt. Ltd.
16. INDEVCO Building Products
LLC
17. Industrial Development Company sal
18. Insultex House Wrap
19. Intertape Polymer Group Inc.
20. JAMES HARDIE INDUSTRIES PLC
21. KB Building Products
22. Kimberly-Clark Corporation
23. KINGSPAN GROUP PLC
24. Owens Corning
25. Protecto Wrap Company
26. Raven Industries Inc.
27. SafeFlex International Ltd
28. SIGA Services AG
29. Sika AG
30. Veer Plastics Private Limited