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, Nec1,289
366900Communications equipment, nec185
36690000Communications equipment, nec185
366901Emergency alarms468
36690100Emergency alarms201
36690101Burglar alarm apparatus, electric67
36690102Fire alarm apparatus, electric55
36690103Fire detection systems, electric32
36690104Metal detectors54
36690105Sirens, electric: vehicle, marine, industrial, and air raid24
36690106Smoke detectors35
366902Transportation signaling devices334
36690200Transportation signaling devices85
36690201Highway signals, electric9
36690202Marine horns, electric5
36690203Pedestrian traffic control equipment63
36690204Railroad signaling devices, electric31
36690205Signaling apparatus, electric36
36690206Traffic signals, electric105
366999Communications equipment, nec, nec302
36699901Intercommunication systems, electric210
36699902Visual communication systems92