- 08 11 00 - Metal Doors and Frames
- 08 42 29 - Automatic Entrances
- 08 74 00 - Access Control Hardware
- 08 74 13 - Card Key Access Control Hardware
- 08100 - Metal Doors and Frames
- 08460 - Automatic Entrance Doors
- 08740 - Electro-Mechanical Hardware
- 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
- 10520 - Fire Protection Specialties
- 11459 - Emergency Escape & Protective Equipment
- 13700 - Security Access & Surveillance
- 13900 - Fire Suppression
- 13975 - Standpipes and Hoses
- 15300 - Fire Protection Piping
- 15720 - Air Handling Units
- 15800 - Air Distribution
- 15810 - Ducts
- 15820 - Duct Accessories
- 15830 - Fans
- 15860 - Air Cleaning Devices
- 16530 - Emergency Lighting
- 21 00 00 - FIRE SUPPRESSION
- 21 11 00 - Facility Fire-Suppression Water-Service Piping
- 21 12 00 - Fire-Suppression Standpipes
- 21 12 13 - Fire-Suppression Hoses and Nozzles
- 23 30 00 - HVAC AIR DISTRIBUTION
- 23 31 00 - HVAC Ducts and Casings
- 23 31 13 - Metal Ducts
- 23 31 16 - Nonmetal Ducts
- 23 33 00 - Air Duct Accessories
- 23 33 46 - Flexible Ducts
- 23 34 00 - HVAC Fans
- 23 34 13 - Axial HVAC Fans
- 23 34 16 - Centrifugal HVAC Fans
- 23 34 23 - HVAC Power Ventilators
- 23 34 33 - Air Curtains
- 23 35 13 - Sawdust Collection Systems
- 23 40 00 - HVAC AIR CLEANING DEVICES
- 23 41 00 - Particulate Air Filtration
- 23 41 33 - High-Efficiency Particulate Filtration
- 23 41 43 - Ultra-Low Penetration Filtration
- 23 43 00 - Electronic Air Cleaners
- 23 70 00 - CENTRAL HVAC EQUIPMENT
- 23 73 13 - Modular Indoor Central-Station Air-Handling Units
- 23 73 23 - Custom Indoor Central-Station Air-Handling Units
- 23 74 00 - Packaged Outdoor HVAC Equipment
- 23 75 00 - Custom-Packaged Outdoor HVAC Equipment
- 26 52 00 - Emergency Lighting
- 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
- 44 11 00 - Air Pollution Control Equipment
- 44 11 16 - Industrial Dust Collectors