SIC 3669 Communications Equipment, Not Elsewhere Classified

SIC Code: 3669

Code Title: Communications Equipment, Not Elsewhere Classified

Code Division: D - Manufacturing

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, 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