This industry comprises establishments primarily engaged in manufacturing communications equipment (except telephone apparatus, and radio and television broadcast, and wireless communications equipment).

• Fire detection and alarm systems manufacturing
• Intercom systems and equipment manufacturing
• Signals (e.g., highway, pedestrian, railway, traffic) manufacturing

• Alarm system central monitoring equipment manufacturing
• Alarm systems and equipment manufacturing
• Automotive theft alarm systems manufacturing
• Burglar alarm systems and equipment manufacturing
• Car alarm manufacturing
• Carbon monoxide detectors manufacturing
• Controlling equipment, street light, manufacturing
• Fire detection and alarm systems manufacturing
• Glass breakage detection and signaling devices
• Intercom systems and equipment manufacturing
• Motion alarms (e.g., swimming pool, perimeter) manufacturing
• Motion detectors, security system, manufacturing
• Portable intrusion detection and signaling devices manufacturing
• Railroad signaling equipment manufacturing
• Remote control units (e.g., garage door, television) manufacturing
• Signals (e.g., highway, pedestrian, railway, traffic) manufacturing
• Sirens (e.g., air raid, industrial, marine, vehicle) manufacturing
• Smoke detectors manufacturing
• Theft prevention signaling devices (e.g., door entrance annunciation, holdup signaling devices, personal duress signaling devices), manufacturing
• Traffic advisory and signalling systems manufacturing
• Traffic signals manufacturing