Here is a structured list of the CSI MasterFormat Divisions:

General Requirements

•Division 00 – Procurement and Contracting Requirements

•Division 01 – General Requirements

Facility Construction

•Division 02 – Existing Conditions

•Division 03 – Concrete

•Division 04 – Masonry

•Division 05 – Metals

•Division 06 – Wood, Plastics, and Composites

•Division 07 – Thermal and Moisture Protection

•Division 08 – Openings

•Division 09 – Finishes

•Division 10 – Specialties

•Division 11 – Equipment

•Division 12 – Furnishings

•Division 13 – Special Construction

•Division 14 – Conveying Equipment

Facility Services

•Division 21 – Fire Suppression

•Division 22 – Plumbing

•Division 23 – Heating, Ventilating, and Air Conditioning (HVAC)

•Division 25 – Integrated Automation

•Division 26 – Electrical

•Division 27 – Communications

•Division 28 – Electronic Safety and Security

Site and Infrastructure

•Division 31 – Earthwork

•Division 32 – Exterior Improvements

•Division 33 – Utilities

•Division 34 – Transportation

Process Equipment

•Division 40 – Process Integration

•Division 41 – Material Processing and Handling Equipment

•Division 42 – Process Heating, Cooling, and Drying Equipment

•Division 43 – Process Gas and Liquid Handling, Purification, and Storage

•Division 44 – Pollution and Waste Control Equipment