| AISI 4000 Series Steel | Low Alloy Steel | Medium Alloy Steel |
| AISI 8000 Series Steel | AISI 5000 Series Steel | AISI 6000 Series Steel |
| AISI 9000 Series Steel |
| AK Steel | Assab Steels | Carpenter Technology Corporation (Cartech) |
| Crucible Steel | EDRO | Kinetics, Inc. |
| Osprey Metals, Ltd. | SSAB Tunnplat AB | ThyssenKrupp |
| Trimay® Wear Plate Ltd | Universal Wire Works |