| Medium Carbon Steel | AISI 1000 Series Steel | Low Carbon Steel |
| High Carbon Steel |
| ATI Allvac | Carpenter Technology Corporation (Cartech) | Crucible Steel |
| Eagle Brass Company | EDRO | Groupe Arcelor |
| Latrobe Steel | Osprey Metals, Ltd. | PSM Industries |
| SSAB Tunnplat AB | Wingate Alloys |