| Medium Carbon Steel | AISI 1000 Series Steel | Low Carbon Steel |
| High Carbon Steel |
| AK Steel | Assab Steels | ATI Allegheny Ludlum |
| ATI Allvac | Carpenter Technology Corporation (Cartech) | EDRO |
| Groupe Arcelor | Latrobe Steel | Niagara LaSalle |
| PSM Industries | Trimay® Wear Plate Ltd |