- 02500 - Utility Services
- 02510 - Water Distribution
- 02630 - Storm Drainage
- 02810 - Irrigation Systems
- 05 56 00 - Metal Castings
- 05560 - Metal Castings
- 05800 - Expansion Control
- 07 95 00 - Expansion Control
- 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
- 11 57 00 - Vocational Shop Equipment
- 11280 - Hydraulic Gates and Valves
- 11300 - Fluid Waste Treatment & Disposal
- 11500 - Industrial and Process Equipment
- 13975 - Standpipes and Hoses
- 14 92 00 - Pneumatic Tube Systems
- 14580 - Pneumatic Tube Systems
- 15070 - Mechanical Sound, Vibration, and Seismic C
- 15105 - Pipes and Tubes
- 15110 - Valves
- 15120 - Piping Specialties
- 15200 - Process Piping
- 15300 - Fire Protection Piping
- 15400 - Plumbing Fixtures and Equipment
- 15490 - Pool and Fountain Equipment
- 15700 - Heating, Ventilating, Air Conditioning Equipment
- 21 05 19 - Meters and Gages for Fire-Suppression Systems
- 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
- 21 05 48 - Vibration and Seismic Controls for Fire-Suppression Piping and Equipment
- 21 11 00 - Facility Fire-Suppression Water-Service Piping
- 21 12 00 - Fire-Suppression Standpipes
- 21 12 13 - Fire-Suppression Hoses and Nozzles
- 22 05 19 - Meters and Gages for Plumbing Piping
- 22 05 23 - General-Duty Valves for Plumbing Piping
- 22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment
- 22 30 00 - PLUMBING EQUIPMENT
- 22 40 00 - PLUMBING FIXTURES
- 22 50 00 - POOL AND FOUNTAIN PLUMBING SYSTEMS
- 23 05 19 - Meters and Gages for HVAC Piping
- 23 05 23 - General-Duty Valves for HVAC Piping
- 23 05 48 - Vibration and Seismic Controls for HVAC Piping and Equipment
- 23 50 00 - CENTRAL HEATING EQUIPMENT
- 23 60 00 - CENTRAL COOLING EQUIPMENT
- 23 70 00 - CENTRAL HVAC EQUIPMENT
- 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
- 32 80 00 - IRRIGATION
- 32 84 13 - Drip Irrigation
- 32 84 23 - Underground Sprinklers
- 32 86 00 - Agricultural Irrigation
- 33 00 00 - UTILITIES
- 33 10 00 - WATER UTILITIES
- 33 11 00 - Water Utility Distribution Piping
- 33 11 13 - Public Water Utility Distribution Piping
- 33 11 16 - Site Water Utility Distribution Piping
- 33 11 19 - Fire Suppression Utility Water Distribution Piping
- 33 13 00 - Disinfecting of Water Utility Distribution
- 33 40 00 - STORM DRAINAGE UTILITIES
- 33 41 00 - Storm Utility Drainage Piping
- 33 44 00 - Storm Utility Water Drains
- 33 44 13 - Utility Area Drains
- 33 49 13 - Storm Drainage Manholes, Frames, and Covers
- 33 49 23 - Storm Drainage Water Retention Structures
- 35 20 16 - Hydraulic Gates
- 35 20 19 - Hydraulic Valves
- 40 10 00 - GAS AND VAPOR PROCESS PIPING
- 40 20 00 - LIQUIDS PROCESS PIPING
- 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
- 44 40 00 - WATER TREATMENT EQUIPMENT
- 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT