| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| 3D Systems Corporation | Arcam | Crucible Steel |
| ECOMold | EDRO | Elkem |
| Mi-Tech Metals | Parkway Products | Pyrotek, Inc. |
| Thermal Transfer Composites | ThyssenKrupp | Wingate Alloys |