1. Advanced Water Treatment Technologies
2. AGRU America Inc.
3. Aquatan (Pty) Ltd.
4. Atarfil Sl
5. Cooley Group
6. Environmental Protection Inc. (EPI)
7. FLI Group
8. GDT Lining
9. Geofabrics Australasia Pty Ltd.
10. Groupe Solmax Inc.
11. GSE Environmental Inc.
12. Hexa-Cover A/S
13. JUTA a.s.
14. Layfield Group Ltd.
15. Lemna Environmental Technologies Inc.
16. McNish Corporation
17. Mesa Industries Inc.
18. Nilex Inc.
19. Seaman Corporation
20. Solmax Group
21. Texas Boom Company