| Medium Carbon Steel | AISI 1000 Series Steel | Low Carbon Steel |
| High Carbon Steel |
| Bisalloy Steels | Crucible Steel | EDRO |
| Hardwire, LLC | Latrobe Steel | Niagara LaSalle |
| Osprey Metals, Ltd. | Pacific Sintered Materials | PSM Industries |
| SSAB Tunnplat AB | Trimay® Wear Plate Ltd | Wingate Alloys |