- 13410 - Basic Measurement and Control Instrumentation Materials and Methods
- 13440 - Indicators, Recorders, And Controllers
- 13800 - Building Automation and Control
- 15070 - Mechanical Sound, Vibration, and Seismic C
- 15110 - Valves
- 15820 - Duct Accessories
- 15915 - Electric and Electronic Control
- 15935 - Building Systems Controls
- 16270 - Transformers
- 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
- 22 05 23 - General-Duty Valves for Plumbing Piping
- 22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment
- 23 05 23 - General-Duty Valves for HVAC Piping
- 23 05 48 - Vibration and Seismic Controls for HVAC Piping and Equipment
- 23 09 33 - Electric and Electronic Control System for HVAC
- 23 33 00 - Air Duct Accessories
- 25 00 00 - INTEGRATED AUTOMATION
- 25 05 13 - Conductors and Cables for Integrated Automation
- 25 52 00 - Integrated Automation Control of Conveying Equipment
- 25 55 00 - Integrated Automation Control of HVAC
- 25 56 00 - Integrated Automation Control of Electrical Systems
- 25 57 00 - Integrated Automation Control of Communications Systems
- 25 58 00 - Integrated Automation Control of Electronic Safety and Security Systems
- 26 12 00 - Medium-Voltage Transformers
- 26 22 00 - Low-Voltage Transformers
- 26 22 13 - Low-Voltage Distribution Transformers
- 27 10 00 - STRUCTURED CABLING
- 27 13 23 - Communications Optical Fiber Backbone Cabling
- 27 15 23 - Communications Optical Fiber Horizontal Cabling
- 28 05 13 - Conductors and Cables for Electronic Safety and Security
- 33 73 00 - Utility Transformers
- 33 82 23 - Optical Fiber Communications Distribution Cabling
- 40 05 00 - Common Work Results for Process Integration
- 40 91 00 - Primary Process Measurement Devices
- 40 93 13 - Analog Controllers
- 40 93 23 - Chart Recorders
- 40 94 00 - Digital Process Controllers
- 40 95 26 - Process Control Instrument Air Piping and Devices
- 40 95 73 - Process Control Wiring
- 40 97 00 - Process Control Auxiliary Devices
- 40 97 10 - Process Control Annunciators