- 13100 - Lightning Protection
- 13410 - Basic Measurement and Control Instrumentation Materials and Methods
- 13440 - Indicators, Recorders, And Controllers
- 13700 - Security Access & Surveillance
- 13850 - Detection and Alarm
- 15915 - Electric and Electronic Control
- 15935 - Building Systems Controls
- 16440 - Switchboards, Panelboards, and Control Cen
- 16470 - Power Distribution Units
- 16490 - Components and Accessories
- 16500 - Lighting
- 16510 - Interior Luminaires
- 16520 - Exterior Luminaires
- 16530 - Emergency Lighting
- 16540 - Classified Location Lighting
- 16550 - Special-Purpose Lighting
- 16560 - Signal Lighting
- 16580 - Lighting Accessories
- 16720 - Telephone and Intercommunication Equipment
- 23 09 33 - Electric and Electronic Control System for HVAC
- 25 00 00 - INTEGRATED AUTOMATION
- 25 05 13 - Conductors and Cables for Integrated Automation
- 26 24 00 - Switchboards and Panelboards
- 26 26 00 - Power Distribution Units
- 26 27 00 - Low-Voltage Distribution Equipment
- 26 41 00 - Facility Lightning Protection
- 26 50 00 - LIGHTING
- 26 51 00 - Interior Lighting
- 26 52 00 - Emergency Lighting
- 26 54 00 - Classified Location Lighting
- 26 55 00 - Special Purpose Lighting
- 26 55 23 - Outline Lighting
- 26 55 29 - Underwater Lighting
- 26 55 33 - Hazard Warning Lighting
- 26 55 36 - Obstruction Lighting
- 26 55 53 - Security Lighting
- 26 55 59 - Display Lighting
- 26 55 61 - Theatrical Lighting
- 26 55 63 - Detention Lighting
- 26 55 70 - Healthcare Lighting
- 26 56 00 - Exterior Lighting
- 26 56 16 - Parking Lighting
- 26 56 19 - Roadway Lighting
- 26 56 23 - Area Lighting
- 26 56 29 - Site Lighting
- 26 56 33 - Walkway Lighting
- 26 56 36 - Flood Lighting
- 26 56 68 - Exterior Athletic Lighting
- 27 10 00 - STRUCTURED CABLING
- 27 13 23 - Communications Optical Fiber Backbone Cabling
- 27 15 23 - Communications Optical Fiber Horizontal Cabling
- 27 30 00 - VOICE COMMUNICATIONS
- 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
- 28 05 13 - Conductors and Cables for Electronic Safety and Security
- 28 10 00 - ELECTRONIC ACCESS CONTROL AND INTRUSION DETECTION
- 28 13 00 - Access Control
- 28 13 53 - Security Access Detection
- 28 16 00 - Intrusion Detection
- 28 20 00 - ELECTRONIC SURVEILLANCE
- 28 23 00 - Video Surveillance
- 28 30 00 - ELECTRONIC DETECTION AND ALARM
- 28 31 00 - Fire Detection and Alarm
- 28 31 46 - Smoke Detection Sensors
- 28 33 00 - Fuel-Gas Detection and Alarm
- 28 34 00 - Fuel-Oil Detection and Alarm
- 28 35 00 - Refrigerant Detection and Alarm
- 33 79 93 - Site Lightning Protection
- 33 82 00 - Communications Distribution
- 33 82 23 - Optical Fiber Communications Distribution Cabling
- 34 41 13 - Traffic Signals
- 34 42 13 - Railway Signals
- 34 43 13 - Airfield Signals
- 34 48 13 - Operating Bridge Signals
- 35 11 13 - Signaling Equipment for Waterways
- 35 12 13 - Marine Signaling Equipment
- 35 13 13 - Signaling Equipment for Dams
- 40 05 00 - Common Work Results for Process Integration
- 40 91 00 - Primary Process Measurement Devices
- 40 93 13 - Analog Controllers
- 40 93 23 - Chart Recorders
- 40 94 00 - Digital Process Controllers
- 40 95 26 - Process Control Instrument Air Piping and Devices
- 40 95 73 - Process Control Wiring
- 40 97 00 - Process Control Auxiliary Devices
- 40 97 10 - Process Control Annunciators