Industry: 3677—Electronic Coils, Transformers, and Other Inductors
Establishments primarily engaged in manufacturing electronic coils, transformers, and inductors. Establishments primarily engaged in manufacturing electrical transformers are classified in Industry 3612; those manufacturing transformers and inductors for telephone and telegraph apparatus are classified in Industry 3661, and those manufacturing semiconductors and related devices are classified in Industry 3674.
| Baluns | Coupling transformers |
| Coil windings, electronic | Flyback transformers |
| Coils, chokes and other inductors, electronic | Transformers, electronic types |
| Constant impedance transformers | Transformers: power supply electronic type |
| Codes |
Titles | Total Marketable US Businesses |
| 36770000 | Electronic coils and transformers | 150 |
| 36770100 | Electronic transformers | 56 |
| 36770101 | Constant impedance transformers | 2 |
| 36770102 | Coupling transformers | 1 |
| 36770103 | Flyback transformers | 0 |
| 36770104 | Transformers power supply, electronic type | 58 |
| 36779901 | Baluns | 4 |
| 36779902 | Coil windings, electronic | 44 |
| 36779903 | Filtration devices, electronic | 163 |
| 36779904 | Inductors, electronic | 15 |
