| 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 | ArcelorMittal | Crucible Steel |
| EDRO | Groupe Arcelor | Latrobe Steel |
| MetalTek | Pacific Sintered Materials | PSM Industries |
| QuesTek® Innovations | ThyssenKrupp | Trimay® Wear Plate Ltd |