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 Titles Total Marketable US Businesses
3669Communications Equipment, Nec1,297
366900Communications equipment, nec179
36690000Communications equipment, nec179
366901Emergency alarms489
36690100Emergency alarms201
36690101Burglar alarm apparatus, electric74
36690102Fire alarm apparatus, electric60
36690103Fire detection systems, electric35
36690104Metal detectors54
36690105Sirens, electric: vehicle, marine, industrial, and air raid28
36690106Smoke detectors37
366902Transportation signaling devices322
36690200Transportation signaling devices74
36690201Highway signals, electric8
36690202Marine horns, electric5
36690203Pedestrian traffic control equipment65
36690204Railroad signaling devices, electric33
36690205Signaling apparatus, electric36
36690206Traffic signals, electric101
366999Communications equipment, nec, nec307
36699901Intercommunication systems, electric215
36699902Visual communication systems92