
Welcome to the Construction Glossary
This interactive tool includes every CSI MasterFormat Division — from Division 00 to Division 35. Built for estimators, students, contractors, and construction professionals who are ready to speak the language of construction with confidence.
Brought to you by S.F. Johnson Enterprises, LLC — where education builds empires.
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Demolition Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 02 – Existing Cond.
- Div 31 – Earthwork
- Div 32 – Exterior Impr.
- Div 33 – Utilities
Electrician
- Div 00 – Procurement
- Div 01 – General Req.
- Div 26 – Electrical
- Div 27 – Communications
- Div 28 – Safety & Security
Plumber
- Div 00 – Procurement
- Div 01 – General Req.
- Div 22 – Plumbing
- Div 31 – Earthwork
- Div 33 – Utilities
HVAC Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 23 – HVAC
- Div 25 – Automation
Framing & Drywall
- Div 00 – Procurement
- Div 01 – General Req.
- Div 06 – Wood & Plastics
- Div 09 – Finishes
Painter
- Div 00 – Procurement
- Div 01 – General Req.
- Div 09 – Finishes
Concrete Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 03 – Concrete
- Div 31 – Earthwork
Roofing Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 07 – Moisture Protection
Fire Suppression
- Div 00 – Procurement
- Div 01 – General Req.
- Div 21 – Fire Suppression
Excavation & Utilities
- Div 00 – Procurement
- Div 01 – General Req.
- Div 31 – Earthwork
- Div 33 – Utilities
Demolition Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 02 – Existing Cond.
- Div 31 – Earthwork
- Div 32 – Exterior Impr.
- Div 33 – Utilities
Electrician
- Div 00 – Procurement
- Div 01 – General Req.
- Div 26 – Electrical
- Div 27 – Communications
- Div 28 – Safety & Security
Plumber
- Div 00 – Procurement
- Div 01 – General Req.
- Div 22 – Plumbing
- Div 31 – Earthwork
- Div 33 – Utilities
HVAC Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 23 – HVAC
- Div 25 – Automation
Framing & Drywall
- Div 00 – Procurement
- Div 01 – General Req.
- Div 06 – Wood & Plastics
- Div 09 – Finishes
Painter
- Div 00 – Procurement
- Div 01 – General Req.
- Div 09 – Finishes
Concrete Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 03 – Concrete
- Div 31 – Earthwork
Roofing Contractor
- Div 00 – Procurement
- Div 01 – General Req.
- Div 07 – Moisture Protection