- 02500 - Utility Services
- 02530 - Sanitary Sewerage
- 02600 - Drainage and Containment
- 02620 - Subdrainage
- 02630 - Storm Drainage
- 02640 - Culverts and Manufactured Construction
- 05 53 00 - Metal Gratings
- 05 56 00 - Metal Castings
- 05530 - Gratings
- 05560 - Metal Castings
- 11 57 00 - Vocational Shop Equipment
- 11300 - Fluid Waste Treatment & Disposal
- 11500 - Industrial and Process Equipment
- 15105 - Pipes and Tubes
- 15120 - Piping Specialties
- 21 05 19 - Meters and Gages for Fire-Suppression Systems
- 22 05 19 - Meters and Gages for Plumbing Piping
- 23 05 19 - Meters and Gages for HVAC Piping
- 33 00 00 - UTILITIES
- 33 30 00 - SANITARY SEWERAGE UTILITIES
- 33 31 00 - Sanitary Utility Sewerage Piping
- 33 32 13 - Packaged Utility Lift Stations
- 33 32 16 - Packaged Utility Wastewater Pumping Stations
- 33 32 19 - Public Utility Wastewater Pumping Stations
- 33 34 00 - Sanitary Utility Sewerage Force Mains
- 33 39 13 - Sanitary Utility Sewerage Manholes, Frames, and Covers
- 33 39 23 - Sanitary Utility Sewerage Cleanouts
- 33 40 00 - STORM DRAINAGE UTILITIES
- 33 41 00 - Storm Utility Drainage Piping
- 33 42 00 - Culverts
- 33 42 13 - Pipe Culverts
- 33 42 16 - Concrete Culverts
- 33 44 00 - Storm Utility Water Drains
- 33 44 13 - Utility Area Drains
- 33 46 00 - Subdrainage
- 33 46 13 - Foundation Drainage
- 33 46 16 - Subdrainage Piping
- 33 46 19 - Underslab Drainage
- 33 46 26 - Geotextile Subsurface Drainage Filtration
- 33 46 33 - Retaining Wall Drainage
- 33 49 13 - Storm Drainage Manholes, Frames, and Covers
- 33 49 23 - Storm Drainage Water Retention Structures
- 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