| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| Cadi Company | ECOMold | FloMet LLC |
| Goodfellow | MetaFoam | Mi-Tech Metals |
| SSAB Tunnplat AB | Sylvania | Touchstone Research Laboratory |
| Vesta Ceramics | XADC-Armoloy of Western Pennsylvania |