1. Advanced Trenchless Inc.
2. Advantage Reline
3. Affordable Trenchless & Pipe Lining
4. Agriapipe Kft.
5. American Trenchless Technologies Ltd.
6. Amex Sanivar AG
7. Australian Pipe Lining Supplies Ltd.
8. Brandenburger Liner GmbH & Co. KG
9. Clearflow Specialised Services Pty Ltd
10. LBA Air Conditioning
Heating & Plumbing Inc.
11. Lining & Coating Solutions LLC
12. Link-Pipe Inc.
13. Logiball Inc.
14. Michels Corporation
15. Nuflow Pipe Rescue
16. Nuflow Technologies
17. Per Aarsleff Holding A/S
18. Perma-Liner Industries
LLC
19. Pipe Spy Inc.
20. Pipelining Technologies Inc.
21. QuakeWrap Inc.
22. RTi Rohrtechnik international GmbH
23. Sekisui Chemical Co. Ltd.
24. Short Elliott Hendrickson Incorporated
25. The Charles Machine Works Inc.
26. Trelleborg AB
27. Trenchless Engineering Services Private Limited
28. Trenchless Solutions
29. TT Technologies Inc.
30. Ushio Europe B.V.
31. Vortex Companies
LLC