- 06 42 00 - Wood Paneling
- 06 50 00 - STRUCTURAL PLASTICS
- 06 60 00 - PLASTIC FABRICATIONS
- 06 61 13 - Cultured Marble Fabrications
- 06 61 16 - Solid Surfacing Fabrications
- 06 63 00 - Plastic Railings
- 06 64 00 - Plastic Paneling
- 06 82 00 - Glass-Fiber-Reinforced Plastic
- 06420 - Paneling
- 06500 - Structural Plastics
- 06600 - Plastic Fabrications
- 09 97 00 - Special Coatings
- 11 53 00 - Laboratory Equipment
- 11 57 00 - Vocational Shop Equipment
- 11500 - Industrial and Process Equipment
- 11600 - Laboratory Equipment
- 13 31 00 - Fabric Structures
- 13 31 23 - Tensioned Fabric Structures
- 13 34 00 - Fabricated Engineered Structures
- 13 34 13 - Glazed Structures
- 13 34 16 - Grandstands and Bleachers
- 13 34 19 - Metal Building Systems
- 13 34 23 - Fabricated Structures
- 13 34 56 - Observatories
- 13 44 00 - Modular Mezzanines
- 13120 - Pre-Engineered Structures
- 13200 - Storage Tanks
- 13230 - Digester Covers And Appurtenances
- 13400 - Measurement and Control Instrumentation
- 15105 - Pipes and Tubes
- 15110 - Valves
- 15120 - Piping Specialties
- 15200 - Process Piping
- 15450 - Potable Water Storage Tanks
- 15640 - Packaged Cooling Towers
- 15700 - Heating, Ventilating, Air Conditioning Equipment
- 15760 - Terminal Heating and Cooling Units
- 15800 - Air Distribution
- 15810 - Ducts
- 15820 - Duct Accessories
- 15830 - Fans
- 15850 - Air Outlets and Inlets
- 15860 - Air Cleaning Devices
- 21 05 19 - Meters and Gages for Fire-Suppression Systems
- 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
- 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 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 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 37 00 - Air Outlets and Inlets
- 23 37 13 - Diffusers, Registers, and Grilles
- 23 37 23 - HVAC Gravity Ventilators
- 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 50 00 - CENTRAL HEATING EQUIPMENT
- 23 60 00 - CENTRAL COOLING EQUIPMENT
- 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
- 23 82 00 - Convection Heating and Cooling Units
- 23 82 16 - Air Coils
- 23 82 19 - Fan Coil Units
- 23 82 23 - Unit Ventilators
- 23 82 26 - Induction Units
- 23 82 33 - Convectors
- 23 82 36 - Finned-Tube Radiation Heaters
- 23 82 39 - Unit Heaters
- 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
- 40 10 00 - GAS AND VAPOR PROCESS PIPING
- 40 20 00 - LIQUIDS PROCESS PIPING
- 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 11 00 - Air Pollution Control Equipment
- 44 11 16 - Industrial Dust Collectors
- 44 42 33 - Water Treatment Digesters
- 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT