| 1 | TSC Ferrite International | | USA |
| 2 | FDK America Inc. | | USA |
| 3 | API Delevan | | USA |
| 4 | Allstar Magnetics Inc. | | USA |
| 5 | World Products Inc. | | USA |
| 6 | Lodestone Pacific | | USA |
| 7 | TSC International | | USA |
| 8 | KITAGAWA INDUSTRIES America Inc. | | USA |
| 9 | Hitachi Metals America LLC | | USA |
| 10 | AEM Inc. | | USA |
| 11 | U.S. Electronics Inc. (USEI) | | USA |
| 12 | Neosid (Canada) Ltd. | | USA |
| 13 | YBM Technologies Inc. | | USA |
| 14 | Advanced Recording Technologies | | USA |
| 15 | Specialty Coating Systems | | USA |
| 16 | Magnetic Metals Corp. | | USA |
| 17 | Dexter Magnetic Technologies | | USA |
| 18 | Dexter Magnetic Technologies | | USA |
| 19 | Fair-Rite Products Corp. | | USA |
| 20 | VAC | | USA |
| 21 | Toroid Corporation | | USA |
| 22 | IBS Electronics Inc. | | USA |
| 23 | Amidon Corp. | | USA |
| 24 | MAJR Products | | USA |
| 25 | National Magnetics Group Inc. | | USA |
| 26 | Screw Machine Products Inc. | | USA |
| 27 | Champs Technologies USA | | USA |
| 28 | Faircast Inc | | USA |
| 29 | Para Tech Coating Inc. | | USA |
| 30 | Radius Power Inc | | USA |
| 31 | CMI Technology Inc. | | USA |
| 32 | Precision Ferrites & Ceramics | | USA |
| 33 | Glebar Co. Inc. | | USA |
| 34 | Laird Technologies | | USA |
| 35 | Pace Precision International | | USA |
| 36 | MagPerm LLC | | USA |
| 37 | Houston Transformer Co. | | USA |
| 38 | Magcomp | | USA |
| 39 | Ferronics | | USA |