1. 3M Company
2. Advantage Reline
3. Aegion Corporation
4. Affordable Trenchless & Pipe Lining
5. Agru Kunstofftechnik GmbH
6. Amex Sanivar AG
7. Ashirvad Pipes Pvt Ltd.
8. Astral Limited
9. Brawo Systems GmbH
10. Finolex Industries Limited
11. Henkel AG & Co. KGaA
12. HydraTech
LLC
13. JCM Industries Inc.
14. LEaC Shield Ltd.
15. Mueller Water Products Inc.
16. M?PRO GmbH
17. NORMA Group
18. Pidilite Industries Ltd.
19. Pro Pipe
20. SealXpert Products Pte Ltd.
21. Supreme Industries Limited
22. Sylmasta Ltd.
23. T-ISS BV
24. Tesa SE
25. U.S. Plastic Corp.