| 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 | Bohler-Uddeholm | Crucible Steel |
| EDRO | FloMet LLC | Niagara LaSalle |
| Pacific Sintered Materials | SSAB Tunnplat AB | The NanoSteel® Company |
| ThyssenKrupp | Trimay® Wear Plate Ltd | Universal Wire Works |