1. AECOM
2. AKS Industries Inc.
3. Allied Steel Buildings Inc.
4. Anthem Steel Corporation
5. Aveiro Constructors Limited
6. Big Top Manufacturing Inc.
7. BlueScope Construction Inc.
8. Centrex Construction Inc.
9. ClearSpan Fabric Structures Inc.
10. Coastal Steel Structures
11. Conrad Gargett Group Pty Ltd.
12. Erect-A-Tube Inc.
13. Fulfab Inc.
14. GNB Global Inc.
15. HTS TENTIQ GmbH
16. Integrity Buildings
17. J & M Steel Solutions
18. John Reid & Sons (Strucsteel) Ltd.
19. Norseman Structures
20. Olympia Steel Buildings Systems Corp.
21. Rubb Buildings Ltd.
22. Shengbang Steel Structure Co. Ltd.
23. Springfield Steel Buildings
24. The Korte Company