1. aquatherm GmbH
2. Ashirvad by Aliaxis Group SA
3. ASTRAL LIMITED
4. Bull Moose Tube Company by Caparo Group Limited
5. China Lesso Group Holdings Limited
6. D?ker GmbH
7. Encore Fire Protection
8. Engineered Fire Piping
9. Engineered Fire Piping
SL
10. Fire suppression Limited
11. Georg Fischer Rohrleitungssysteme AG
12. Jindal Industries Pvt. Ltd.
13. Minimax GmbH
14. NewAge Fire Fighting Co. Ltd.
15. Octal Steel
16. Perma-Pipe International Holdings Inc.
17. Prince Pipes And Fittings Ltd.
18. Simona AG
19. Tata Steel Limited
20. The Supreme Industries Ltd.
21. Valmont Industries Inc.
22. Victaulic Company
23. Wheatland Tube by Zekelman Industries
24. Youngstown Tube
25. Zekelman Industries