| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| Aleris | Cymat | Goodfellow |
| H.C. Starck | Kaiser Aluminum | Niagara LaSalle |
| Osprey Metals, Ltd. | P & P Technology | Schmolz + Bickenbach (Swiss Steel International) |
| Wall Colmonoy Corporation | Zircar Ceramics |