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, Nec1,211
366900Communications equipment, nec171
36690000Communications equipment, nec171
366901Emergency alarms462
36690100Emergency alarms191
36690101Burglar alarm apparatus, electric72
36690102Fire alarm apparatus, electric57
36690103Fire detection systems, electric31
36690104Metal detectors49
36690105Sirens, electric: vehicle, marine, industrial, and air raid26
36690106Smoke detectors36
366902Transportation signaling devices294
36690200Transportation signaling devices69
36690201Highway signals, electric7
36690202Marine horns, electric5
36690203Pedestrian traffic control equipment58
36690204Railroad signaling devices, electric31
36690205Signaling apparatus, electric32
36690206Traffic signals, electric92
366999Communications equipment, nec, nec284
36699901Intercommunication systems, electric199
36699902Visual communication systems85