| Metal Matrix Composite | Nonferrous Metal | Ferrous Metal |
| Electronic/Magnetic Alloy | Metal Foam, Mesh, or Honeycomb | Intermetallic |
| Acerde | ATI Wah Chang | ERG Aerospace |
| FloMet LLC | International Mold Steel | Johnson Matthey |
| Outokumpu | PCP-Canada | Pyramid Stainless Steel Ind Co Ltd |
| Pyrotek, Inc. | UBE | Weartech |