Manufacturers
- Ackerstein Industries
- Advanced Aluminum Piling
- Alcoa
- AlumiGuard
- Aluminum Co. of America
- Anshan Zizhu International Trading
- ArcelorMittal
- Atlas Tube
- CME (Crane Materials International)
- CMI
- Creative Pultrusions
- Culvert and Piling Supplies (CWS)
- Emirates Steel
- ESC Group
- EverComp
- Everlast Synthetic Products
- EVRAZ North America
- FiberForce
- Garbin Geostructural Group
- Hammer & Steel
- Hoesch Schwerter Profile
- JD Fields & Company, Inc
- JENK Products
- JFE Steel Corporation
- L.B. Foster Company
- Nippon Steel
- Nucor Skyline
- Pearson Pilings
- Poly Vinyl Creations
- ShoreGuard
- Shoreline Steel
- SSAB
- SteelWall ISH
- Sunsetter
- SuperLoc (Composites Advantage)
- Tata Steel
- Thyssenkrupp Infrastructure
- Tidewall
- Truline
- Western Equipment Solutions
- Zekelman Industries
