SIC Code 3669 - Communications Equipment, Not Elsewhere Classified

Industry Sector


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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.


SIC Code 3669 - Communications Equipment, Not Elsewhere Classified is a final level code of the “Manufacturing” Division. There are 1,318 companies classified in this industry in the USA with an estimated employment of 19,147 people.

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Parent Category (less specific)

Industry Examples

Common types of examples within SIC Code 3669 - Communications Equipment, Not Elsewhere Classified are:

  • Burglar alarm apparatus, electric
  • Fire alarm apparatus, electric
  • Fire detection systems, electric
  • Highway signals, electric
  • Intercommunications equipment, electronic
  • Marine horns, electric
  • Pedestrian traffic control equipment
  • Railroad signaling devices, electric
  • Signaling apparatus, electric
  • Signals: railway, highway, and traffic-electric
  • Sirens, electric: vehicle, marine, industrial, and air raid
  • Smoke detectors
  • Traffic signals, electric

Industry Image

Example photo for industry SIC 3669 - Communications Equipment, Not Elsewhere Classified. This image represents an activity or product found in this industry.

Companies compiles comprehensive business data and executive contact leads for businesses within SIC Code 3669 - Communications Equipment, Not Elsewhere Classified. Some of the leading and most notable companies are listed below. To order a list of companies within SIC Code 3669 - Communications Equipment, Not Elsewhere Classified for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

Industry Executives

Would you like to email executives in SIC Code 3669 - Communications Equipment, Not Elsewhere Classified? Below are some of the common job titles available to be targeted.

  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

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Extended SIC Code Categories for SIC 3669

For business marketing and targeting, SIC Codes have been extended to provide more specific classifications within SIC Code 3669 – Communications Equipment, Not Elsewhere Classified. Extended SIC Codes are being continuously updated to reflect the current business environment.

6-digit SIC

  • 366901Fire Alarm Systems (manufacturers)
  • 366902Security Control Equipment & Systems (manufacturers)
  • 366903Fire Exit Devices (manufacturers)
  • 366904Signals (manufacturers)
  • 366905Traffic Signs Signals & Equipment (manufacturers)
  • 366906Burglar Alarm Systems & Monitoring (manufacturers)
  • 366998Communications Equipment Nec (manufacturers)

7-digit SIC

  • 3669001Communications Equipment Nec (manufacturers)
  • 3669002Emergency Alarms
  • 3669003Electric Intercommunication Systems
  • 3669004Transportation Signaling Devices
  • 3669005Traffic Signs Signals & Equipment (manufacturers)
  • 3669006Burglar Alarm Systems & Monitoring (manufacturers)
  • 3669006Security Control Equipment & Systems (manufacturers)
  • 3669007Visual Communication Systems
  • 3669008Fire Alarm Systems (manufacturers)
  • 3669009Metal Detectors
  • 3669010Fire Detection Systems
  • 3669011Sirens-Electric-Vehicle, Marine, Industrial & Air Raid
  • 3669012Fire Exit Devices (manufacturers)
  • 3669013Smoke Detectors
  • 3669014Highway Signals, Electric
  • 3669015Marine Horns, Electric
  • 3669016Pedestrian Traffic Control Equipment
  • 3669017Railroad Signaling Devices, Electric
  • 3669018Signals (manufacturers)

8-digit SIC

  • 36690000Communications Equipment, Nec
  • 36690100Emergency Alarms
  • 36690101Burglar Alarm Apparatus, Electric
  • 36690102Fire Alarm Apparatus, Electric
  • 36690103Fire Detection Systems, Electric
  • 36690104Metal Detectors
  • 36690105Sirens, Electric: Vehicle, Marine, Industrial, And Air Raid
  • 36690106Smoke Detectors
  • 36690200Transportation Signaling Devices
  • 36690201Highway Signals, Electric
  • 36690202Marine Horns, Electric
  • 36690203Pedestrian Traffic Control Equipment
  • 36690204Railroad Signaling Devices, Electric
  • 36690205Signaling Apparatus, Electric
  • 36690206Traffic Signals, Electric
  • 36699901Intercommunication Systems, Electric
  • 36699902Visual Communication Systems