1. Atarfil Sl
2. BTL Liners
3. Carlisle Companies Incorporated
4. Carthage Mills Inc.
5. Cooley Group
6. DuPont de Nemours Inc.
7. Emmbi Industries Ltd.
8. Exxon Mobil Corporation
9. GDT Lining
10. Geofabrics Australasia Pty Ltd.
11. Huesker Group
12. Northwest Linings & Geotextile Products Inc.
13. Officine Maccaferri SpA
14. Plastatech Engineering Ltd.
15. Plastika Kritis S.A.
16. Reef Industries Inc.
17. Seaman Corporation
18. SKAPS Industries
19. Sotrafa S.A.
20. Stephens Industries
Ltd.
21. Tenax Corporation
22. Titan Environmental Containment
23. Viaflex
24. Western Environmental Liner