| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| ATI Allvac | Goodfellow | Groupe Arcelor |
| Kobe Steel | Latrobe Steel | Materion |
| Pyrotek, Inc. | ThyssenKrupp | TIMET |
| Weartech | Wingate Alloys | Zircar Ceramics |