| 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 |
| ArcelorMittal | ATI Allvac | EDRO |
| Groupe Arcelor | Kinetics, Inc. | MetalTek |
| Niagara LaSalle | Pacific Sintered Materials | QuesTek® Innovations |
| SSAB Tunnplat AB | The NanoSteel® Company | ThyssenKrupp |