| 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 | Assab Steels |
| ATI Allvac | Bohler-Uddeholm | Kinetics, Inc. |
| MetalTek | Niagara LaSalle | Pacific Sintered Materials |
| PSM Industries | Trimay® Wear Plate Ltd | Wingate Alloys |