| Stainless Steel | Alloy Steel | Carbon Steel |
| Tool Steel | Duplex | Pressure Vessel Steel |
| Cast Iron | Maraging Steel | Chrome-moly Steel |
| Special-Purpose Steel |
| Ametek | Bisalloy Steels | Bohler-Uddeholm |
| Kinetics, Inc. | Latrobe Steel | Misumi |
| Pyramid Stainless Steel Ind Co Ltd | Pyrotek, Inc. | SSAB Tunnplat AB |
| ThyssenKrupp | United Cast Bar | Universal Wire Works |