| 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 | Bisalloy Steels |
| Bohler-Uddeholm | Crucible Steel | EDRO |
| FloMet LLC | Groupe Arcelor | Niagara LaSalle |
| Pacific Sintered Materials | The NanoSteel® Company | Trimay® Wear Plate Ltd |