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, nec176
36690000Communications equipment, nec176
366901Emergency alarms440
36690100Emergency alarms175
36690101Burglar alarm apparatus, electric67
36690102Fire alarm apparatus, electric55
36690103Fire detection systems, electric33
36690104Metal detectors53
36690105Sirens, electric: vehicle, marine, industrial, and air raid23
36690106Smoke detectors34
366902Transportation signaling devices386
36690200Transportation signaling devices149
36690201Highway signals, electric10
36690202Marine horns, electric5
36690203Pedestrian traffic control equipment60
36690204Railroad signaling devices, electric23
36690205Signaling apparatus, electric35
36690206Traffic signals, electric104
366999Communications equipment, nec, nec295
36699901Intercommunication systems, electric203
36699902Visual communication systems92