- 09 97 00 - Special Coatings
- 11 57 00 - Vocational Shop Equipment
- 11 92 00 - Agricultural Equipment
- 11200 - Water Supply and Treatment Equipment
- 11250 - Water Softening Equipment
- 11280 - Hydraulic Gates and Valves
- 11500 - Industrial and Process Equipment
- 11870 - Agricultural Equipment
- 13 11 00 - Swimming Pools
- 13 11 13 - Below-Grade Swimming Pools
- 13 11 23 - On-Grade Swimming Pools
- 13 11 33 - Elevated Swimming Pools
- 13 11 43 - Recirculating Gutter Systems
- 13 11 46 - Swimming Pool Accessories
- 13 11 49 - Swimming Pool Cleaning Equipment
- 13150 - Swimming Pools
- 13200 - Storage Tanks
- 13400 - Measurement and Control Instrumentation
- 13975 - Standpipes and Hoses
- 15105 - Pipes and Tubes
- 15110 - Valves
- 15120 - Piping Specialties
- 15490 - Pool and Fountain Equipment
- 15620 - Packaged Water Chillers
- 15640 - Packaged Cooling Towers
- 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 12 00 - Fire-Suppression Standpipes
- 21 12 13 - Fire-Suppression Hoses and Nozzles
- 21 41 00 - Storage Tanks for Fire-Suppression Water
- 21 41 16 - Elevated Storage Tanks for Fire-Suppression Water
- 21 41 26 - Underground Storage Tanks for Fire-Suppression Water
- 22 05 19 - Meters and Gages for Plumbing Piping
- 22 05 23 - General-Duty Valves for Plumbing Piping
- 22 12 00 - Facility Potable-Water Storage Tanks
- 22 12 16 - Facility Elevated, Potable-Water Storage Tanks
- 22 50 00 - POOL AND FOUNTAIN PLUMBING SYSTEMS
- 22 63 19 - Gas Storage Tanks for Laboratory and Healthcare Facilities
- 23 05 19 - Meters and Gages for HVAC Piping
- 23 05 23 - General-Duty Valves for HVAC Piping
- 23 13 00 - Facility Fuel-Storage Tanks
- 23 13 13 - Facility Underground Fuel-Oil, Storage Tanks
- 23 50 00 - CENTRAL HEATING EQUIPMENT
- 23 60 00 - CENTRAL COOLING EQUIPMENT
- 23 64 00 - Packaged Water Chillers
- 23 64 13 - Absorption Water Chillers
- 23 64 16 - Centrifugal Water Chillers
- 23 64 19 - Reciprocating Water Chillers
- 23 64 26 - Rotary-Screw Water Chillers
- 23 65 00 - Cooling Towers
- 23 65 13 - Forced-Draft Cooling Towers
- 23 65 16 - Natural-Draft Cooling Towers
- 23 70 00 - CENTRAL HVAC EQUIPMENT
- 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
- 33 16 00 - Water Utility Storage Tanks
- 33 16 16 - Underground Water Utility Storage Tanks
- 33 16 19 - Elevated Water Utility Storage Tanks
- 33 56 00 - Fuel-Storage Tanks
- 33 56 16 - Underground Fuel-Storage Tanks
- 33 56 43 - Aviation Fuel-Storage Tanks
- 33 56 53 - Compressed Gases Storage Tanks
- 35 20 16 - Hydraulic Gates
- 35 20 19 - Hydraulic Valves
- 40 90 00 - INSTRUMENTATION AND CONTROL FOR PROCESS SYSTEMS
- 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
- 44 44 00 - Water Treatment Chemical Systems Equipment
- 44 44 13 - Water Treatment Chemical Feed Equipment
- 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT