| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Custom Coils Inc. | USA | |
| 2 | Industrial Coils LLC | USA | |
| 3 | Able Coil & Electronics Co. Inc. | USA | |
| 4 | AEI | USA | |
| 5 | Ascend Electronics Inc. | USA | |
| 6 | Hermetic Coil Co. Inc. | USA | |
| 7 | General Electric Co. | USA | |
| 8 | Valtra Inc | USA | |
| 9 | Taehwatrans America Inc. | USA | |
| 10 | Tur-Bo Jet Products | USA | |
| 11 | Maine Coil & Transformer Co. Inc. | USA | |
| 12 | Anofol | USA | |
| 13 | Swiger Coil Systems LLC | USA | |
| 14 | Marshall Electric Corp. | USA | |
| 15 | Coils Inc. | USA | |
| 16 | Relay Service Co. | USA | |
| 17 | PROSYS Industries Inc. | USA | |
| 18 | Future Manufacturing Inc. | USA | |
| 19 | Dia-Netics Inc. | USA | |
| 20 | CMI – Corona Magnetics Inc. | USA | |
| 21 | Electromotive Inc. | USA | |
| 22 | Precision Electronics Corp. | USA | |
| 23 | Simpson Frank Co. | USA |
