| Silver Alloy | Gold Alloy | Platinum Alloy |
| Palladium Alloy |
| AIM Specialty Materials | Cadi Company | CMW Inc. |
| Goodfellow | Indium Corporation of America | Johnson Matthey |
| Lord Adhesives | Lucas-Milhaupt | Lucas-Milhaupt |
| Mi-Tech Metals | NBETech | Williams Advanced Alloys |