| Medium Carbon Steel | AISI 1000 Series Steel | Low Carbon Steel |
| High Carbon Steel |
| ATI Allegheny Ludlum | Bisalloy Steels | Crucible Steel |
| Eagle Brass Company | EDRO | Groupe Arcelor |
| Hardwire, LLC | Niagara LaSalle | Osprey Metals, Ltd. |
| PSM Industries | Universal Wire Works | Wingate Alloys |