Division 21 - FIRE SUPPRESSION 
  - Fire Pump
- Fire Pump ATS
- Fire  Suppression Supplies
Division 22 - PLUMBING
  - Plumbing Fixtures
- Piping & Supplies
Division 23 - MECHANICAL / HVAC
  - Air Distribution Systems 
- Fuel Systems
- HVAC Supplies
- Mechanical Equipment
- HVAC Piping 
- HVAC Pumps , Motors & Drives
Division 25 - INTEGRATED AUTOMATION
  - Automation Network Equipment
- Automation Instrumentation
- Automation Facility Controls
Division 26  - ELECTRICAL
  - LV & MV switchgear
- Transformers 
- Generators & ATS
- Power Protection, Conditioning Systems and UPS
- Field Service & Start Up 
- Power System Studies 
- Electrical Equipment Supplies
- Distribution and Lighting Panels 
- Wiring Devices and Enclosures
- Molded Case Circuit Breakers
- Cable Tray and Wire Management
- Controls and Timing Devices
- Tools and Test Equipment
 
Division 26 - LIGHTING
  - Lighting Fixtures
- Lamps, Ballasts, and Dimming Systems
- Interior Lighting
- Classified Lighting
- Exterior Lighting
- Safety Lighting
- Special Purpose Lighting
- Retrofit Lighting Packages 
- Lighting Audits
Division 27 - DATA AND COMMUNICATIONS
  - Auto/Video Equipment 
- Data Communications Equipment 
- Voice Communications Equipment
- Communications and Monitoring Systems
- Structured Cabling 
- Network Hubs, Routers, and Switches
- Computers, Peripherals and Accessories
- Video Conferencing Systems
- Broadband WAN / LAN Products
- Fiber Optic Cable, Connectors & Splicing Products
- Ethernet / Coax Cabling Products
- Telephone Wire and Products
- Low Voltage Control & Instrumentation Wiring
Division 28 - SAFETY & SECURITY
  - Access Control 
- Fire Alarm 
- Life Safety Equipment 
- Security Equipment
- Video Surveillance
- Alarm & Monitoring 
- CCTV Systems
Division 33 - UTILITIES
  - Communications Equipment
- Electrical Utility Equipment
- Waste Water Equipment 
- Storm Water Equipment
- Water Utility Equipment