| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| 3D Systems Corporation | Alcoa | CRP Technology |
| Eagle Brass Company | H.C. Starck | MarkeTech |
| Meehanite | MetalTek | NiCoForm, Inc. |
| Outokumpu | The NanoSteel® Company |