- 10 44 00 - Fire Protection Specialties
- 10 44 13 - Fire Extinguisher Cabinets
- 10 44 16 - Fire Extinguishers
- 10 44 33 - Fire Blankets and Cabinets
- 10 44 43 - Fire Extinguisher Accessories
- 10 73 00 - Protective Covers
- 10 73 13 - Awnings
- 10 73 16 - Canopies
- 10 73 23 - Car Shelters
- 10 73 26 - Walkway Coverings
- 10450 - Pedestrian Control Devices
- 10520 - Fire Protection Specialties
- 10530 - Protective Covers
- 11 14 00 - Pedestrian Control Equipment
- 11 14 13 - Pedestrian Gates
- 11 14 43 - Pedestrian Detection Equipment
- 11 57 00 - Vocational Shop Equipment
- 11500 - Industrial and Process Equipment
- 13700 - Security Access & Surveillance
- 13800 - Building Automation and Control
- 13850 - Detection and Alarm
- 16710 - Communications Circuits
- 25 00 00 - INTEGRATED AUTOMATION
- 25 52 00 - Integrated Automation Control of Conveying Equipment
- 25 55 00 - Integrated Automation Control of HVAC
- 25 56 00 - Integrated Automation Control of Electrical Systems
- 25 57 00 - Integrated Automation Control of Communications Systems
- 25 58 00 - Integrated Automation Control of Electronic Safety and Security Systems
- 27 10 00 - STRUCTURED CABLING
- 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
- 41 00 00 - MATERIAL PROCESSING AND HANDLING EQUIPMENT
- 42 00 00 - PROCESS HEATING, COOLING, AND DRYING EQUIPMENT
- 43 00 00 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE EQUIPMENT
- 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT