| Medium Carbon Steel | AISI 1000 Series Steel | Low Carbon Steel |
| High Carbon Steel |
| AK Steel | Assab Steels | ATI Allegheny Ludlum |
| Groupe Arcelor | Niagara LaSalle | Pacific Sintered Materials |
| PSM Industries | SSAB Tunnplat AB | ThyssenKrupp |
| Trimay® Wear Plate Ltd | Universal Wire Works |