SIC Industry Description

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.

BalunsCoupling transformers
Coil windings, electronicFlyback transformers
Coils, chokes and other inductors, electronicTransformers, electronic types
Constant impedance transformersTransformers: power supply electronic type
Codes TitlesTotal Marketable US Businesses
3677Electronic Coils and Transformers472
367700Electronic coils and transformers145
36770000Electronic coils and transformers145
367701Electronic transformers114
36770100Electronic transformers55
36770101Constant impedance transformers2
36770102Coupling transformers1
36770103Flyback transformers0
36770104Transformers power supply, electronic type56
367799Electronic coils and transformers, nec213
36779901Baluns3
36779902Coil windings, electronic41
36779903Filtration devices, electronic155
36779904Inductors, electronic14