Industry: 3679—Electronic Components, Not Elsewhere Classified
Establishments primarily engaged in manufacturing electronic components, not elsewhere classified, such as receiving antennas, switches, and waveguides. Establishments primarily engaged in manufacturing radio and television transmitting antennas are classified in Industry 3663.

Antennas, receiving: automobile, home, and portablePower supplies, static, and variable frequency
Antennas, satellite: home typePulse forming networks
AttenuatorsQuartz crystals for electronic application
Commutators, electronicRecording and playback heads, magnetic
Cores, magneticRecording heads for speech and musical equipment
Cryogenic cooling devices (e.g., cryostats) for infrared detectors and masersRectifiers, electronic: except solid-state
Crystals and crystal assemblies, radioResonant reed devices, electronic
Delay linesRheostats, electronic
Harness assemblies for electronic use: wire and cableSockets, electronic tube
Headphones, radioSolenoids for electronic applications
Heads, recording for speech and musical equipmentStatic power supply converters for electronic applications
Hermetic seals for electronic equipmentStep positioners for transmitting equipment
Impedance conversion units, high frequencyStyli, phonograph record cutting
Liquid crystal displaysSwitches, electronic
Loads, electronicSwitches, stepping
Microwave componentsTransducers for use in measuring and testing instruments and equipments
Oscillators, except laboratory typeTube retainers, electronic
Parametric amplifiersTube spacers, mica
Passive repeatersTube transformer assemblies used in firing electronic tubes
Phonograph needle cartridgesVideo triggers, except remote control television devices
Phonograph needlesVoice controls
Piezoelectric crystalsWaveguides and fittings
Codes Titles Number of US Businesses
3679Electronic Components, Nec3,438
367900Electronic components, nec372
36790000Electronic components, nec372
367901Electronic circuits1,556
36790100Electronic circuits1,217
36790101Attenuators16
36790102Commutators, electronic28
36790103Delay lines5
36790104Impedance conversion units, high frequency2
36790105Microwave components199
36790106Passive repeaters3
36790107Pulse forming networks1
36790108Rectifiers, electronic9
36790109Rheostats, for electronic end products17
36790110Solenoids for electronic applications8
36790111Transducers, electrical46
36790112Waveguides and fittings5
367902Recording and playback apparatus, including phonograph85
36790200Recording and playback apparatus, including phonograph31
36790201Phonograph needle cartridges0
36790202Phonograph needles1
36790203Recording and playback heads, magnetic10
36790204Recording heads, speech and musical equipment43
367903Electronic loads and power supplies344
36790300Electronic loads and power supplies131
36790301Loads, electronic10
36790302Oscillators26
36790303Power supplies, all types: static149
36790304Static power supply converters for electronic applications28
367904Electronic crystals104
36790400Electronic crystals42
36790401Crystals and crystal assemblies, radio5
36790402Piezoelectric crystals9
36790403Quartz crystals, for electronic application48
367905Electronic switches174
36790500Electronic switches155
36790501Step positioners, for transmitting equipment2
36790502Switches, stepping4
36790503Video triggers, except remote control TV devices13
367999Electronic components, nec, nec803
36799901Antennas, receiving92
36799902Antennas, satellite: household use71
36799903Cores, magnetic22
36799904Cryogenic cooling devices for infrared detectors, masers7
36799905Harness assemblies, for electronic use: wire or cable414
36799906Headphones, radio39
36799907Hermetic seals, for electronic equipment35
36799908Liquid crystal displays (LCD)85
36799909Parametric amplifiers10
36799910Resonant reed devices, electronic2
36799911Sockets, electronic tube2
36799912Tube retainers, electronic1
36799913Tube spacers, mica0
36799914Tube transformer assemblies used in firing electronic tubes2
36799915Voice controls21