| AISI 4000 Series Steel | Low Alloy Steel | Medium Alloy Steel |
| AISI 8000 Series Steel | AISI 5000 Series Steel | AISI 6000 Series Steel |
| AISI 9000 Series Steel |
| ATI Allvac | Bisalloy Steels | FloMet LLC |
| Kinetics, Inc. | MetalTek | Niagara LaSalle |
| Osprey Metals, Ltd. | Pacific Sintered Materials | QuesTek® Innovations |
| SSAB Tunnplat AB | Trimay® Wear Plate Ltd | Wingate Alloys |