1. Abu Dhabi Pipe Factory LLC
2. Amiblu Holding GmbH
3. AUGUSTA FIBERGLASS COATINGS Inc.
4. Balaji Fiber Reinforce Pvt. Ltd.
5. Captrad Composites
6. Chemical Process Piping Pvt. Ltd.
7. Creative Composites Group
8. Enduro Composites Inc.
9. Esen Plastics Industries
10. FIBREX
11. Fibrex Corporation
12. Future Pipe Industries
13. Graphite India Limited
14. Gruppo Sarplast S.r.l.
15. Hengrun Group Co. Ltd.
16. Hubei Apex Technology Co. Ltd.
17. Janco Engineered Products
LLC
18. NOV Inc.
19. Russel Metals Inc.
20. Saudi Arabian Amiantit Co.
21. Shawcor Ltd.
22. THOMPSON PIPE GROUP
23. Vetres Srl