28 30 00 Electronic Detection and Alarm

27 52 23 Wireless Nurse Call System 28 00 00 Electronic Safety and Security 28 10 00 Electronic Access Control and Intrusion Detection 28 10 10 Security & Intrusion Systems, CCTV 28 30 00 Electronic Detection and Alarm

21 13 00 Fire-Suppression Sprinkler Systems 21 20 00 Fire-Extinguishing Systems 27 00 00 Communications 27 53 00 Distributed Systems 28 10 00 Electronic Access Control and Intrusion Detection 28 13 00 Access Control 28 30 00 Electronic Detection and Alarm

08 31 00 Access Doors and Panels 10 44 00 Fire Protection Specialties 21 20 00 Fire-Extinguishing Systems 28 30 00 Electronic Detection and Alarm