SIC Industry Description

Industry: 3669—Communications Equipment, Not Elsewhere Classified
Establishments primarily engaged in manufacturing communications and related equipment, not elsewhere classified. Important products of this industry are intercommunication equipment, traffic signaling equipment, and fire and burglar alarm apparatus.

Burglar alarm apparatus, electricRailroad signaling devices, electric
Fire alarm apparatus, electricSignaling apparatus, electric
Fire detection systems, electricSignals: railway, highway, and traffic—electric
Highway signals, electricSirens, electric: vehicle, marine, industrial, and air raid
Intercommunications equipment, electronicSmoke detectors
Marine horns, electricTraffic signals, electric
Pedestrian traffic control equipment
Codes TitlesTotal Marketable US Businesses
3669Communications Equipment, Nec1,349
366900Communications equipment, nec167
36690000Communications equipment, nec167
366901Emergency alarms429
36690100Emergency alarms165
36690101Burglar alarm apparatus, electric74
36690102Fire alarm apparatus, electric52
36690103Fire detection systems, electric31
36690104Metal detectors50
36690105Sirens, electric: vehicle, marine, industrial, and air raid21
36690106Smoke detectors36
366902Transportation signaling devices460
36690200Transportation signaling devices215
36690201Highway signals, electric9
36690202Marine horns, electric9
36690203Pedestrian traffic control equipment58
36690204Railroad signaling devices, electric28
36690205Signaling apparatus, electric29
36690206Traffic signals, electric112
366999Communications equipment, nec, nec293
36699901Intercommunication systems, electric203
36699902Visual communication systems90