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, Nec1,292
366900Communications equipment, nec174
36690000Communications equipment, nec174
366901Emergency alarms487
36690100Emergency alarms206
36690101Burglar alarm apparatus, electric73
36690102Fire alarm apparatus, electric58
36690103Fire detection systems, electric34
36690104Metal detectors54
36690105Sirens, electric: vehicle, marine, industrial, and air raid26
36690106Smoke detectors36
366902Transportation signaling devices325
36690200Transportation signaling devices77
36690201Highway signals, electric9
36690202Marine horns, electric5
36690203Pedestrian traffic control equipment64
36690204Railroad signaling devices, electric32
36690205Signaling apparatus, electric37
36690206Traffic signals, electric101
366999Communications equipment, nec, nec306
36699901Intercommunication systems, electric212
36699902Visual communication systems94