- 11 57 00 - Vocational Shop Equipment
- 11500 - Industrial and Process Equipment
- 14 20 00 - ELEVATORS
- 14 92 00 - Pneumatic Tube Systems
- 14200 - Elevators
- 14500 - Material Handling
- 14580 - Pneumatic Tube Systems
- 15710 - Heat Exchangers
- 15810 - Ducts
- 15820 - Duct Accessories
- 15830 - Fans
- 15860 - Air Cleaning Devices
- 16220 - Motors and Generators
- 16320 - High-voltage Switching And Protection
- 16330 - Medium-Voltage Switching and Protection
- 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 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 57 00 - Heat Exchangers for HVAC
- 23 57 16 - Steam-to-Water Heat Exchangers
- 23 57 19 - Liquid-to-Liquid Heat Exchangers
- 26 05 00 - Common Work Results for Electrical
- 26 13 00 - Medium-Voltage Switchgear
- 26 18 00 - Medium-Voltage Circuit Protection Devices
- 26 18 13 - Medium-Voltage Cutouts
- 26 18 16 - Medium-Voltage Fuses
- 26 18 19 - Medium-Voltage Lightning Arresters
- 26 18 23 - Medium-Voltage Surge Arresters
- 26 18 26 - Medium-Voltage Reclosers
- 33 75 00 - High-Voltage Switchgear and Protection Devices
- 33 75 36 - High-Voltage Utility Fuses
- 33 75 39 - High-Voltage Surge Arresters
- 33 77 00 - Medium-Voltage Utility Switchgear and Protection Devices
- 33 77 33 - Medium-Voltage Utility Cutouts
- 33 77 36 - Medium-Voltage Utility Fuses
- 33 77 39 - Medium-Voltage Utility Surge Arresters
- 33 77 53 - Medium-Voltage Utility Reclosers
- 41 00 00 - MATERIAL PROCESSING AND HANDLING EQUIPMENT
- 41 10 00 - BULK MATERIAL PROCESSING EQUIPMENT
- 41 20 00 - PIECE MATERIAL 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
- 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT