| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| 3D Systems Corporation | Ampco Metal | Assab Steels |
| Carlson | CMW Inc. | Eagle Brass Company |
| KB Alloys | M Cubed Technologies, Inc | Parker Chomerics |
| The NanoSteel® Company | Vesta Ceramics | Vista Metals |