| 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 |
| Assab Steels | ATI Allvac | Bisalloy Steels |
| Bohler-Uddeholm | EDRO | Groupe Arcelor |
| Niagara LaSalle | Pacific Sintered Materials | PSM Industries |
| ThyssenKrupp | Trimay® Wear Plate Ltd |