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CSI MasterFormat Divisions
Search the full list of CSI MasterFormat divisions by number or name. The backbone of how construction specs are organized.
Procurement & Contracting
Procurement and Contracting Requirements
General Requirements
General Requirements
Facility Construction
Existing Conditions
Concrete
AI takeoffMasonry
AI takeoffMetals
AI takeoffWood, Plastics, and Composites
AI takeoffThermal and Moisture Protection
AI takeoffOpenings
AI takeoffFinishes
AI takeoffSpecialties
Equipment
Furnishings
Special Construction
Conveying Equipment
Facility Services
Fire Suppression
AI takeoffPlumbing
AI takeoffHeating, Ventilating, and Air Conditioning (HVAC)
AI takeoffIntegrated Automation
Electrical
AI takeoffCommunications
Electronic Safety and Security
Site & Infrastructure
Earthwork
AI takeoffExterior Improvements
AI takeoffUtilities
AI takeoffTransportation
Waterway and Marine Construction
Process Equipment
Process Interconnections
Material Processing and Handling Equipment
Process Heating, Cooling, and Drying Equipment
Process Gas and Liquid Handling, Purification, and Storage Equipment
Pollution and Waste Control Equipment
Industry-Specific Manufacturing Equipment
Water and Wastewater Equipment
Electrical Power Generation
PreCal-IQ reads every division for you
Upload your spec book and PreCal-IQ extracts and quantifies across all 45 CSI takeoff categories — automatically.