| 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 | ATI Allvac |
| Bisalloy Steels | Crucible Steel | FloMet LLC |
| Groupe Arcelor | Niagara LaSalle | Osprey Metals, Ltd. |
| Pacific Sintered Materials | PSM Industries | Trimay® Wear Plate Ltd |