| MasterFormat 2004 |
| 01 General Requirements |
| 02 Existing Conditions |
| 03 Concrete |
| 04 Masonry |
| 05 Metals |
| 06 Wood, Plastics, and Composites |
| 07 Thermal and Moisture Protection |
| 08 Openings |
| 09 Finishes |
| 10 Specialties |
| 11 Equipment |
| 12 Furnishings |
| 13 Special Construction |
| 14 Conveying Equipment |
| 21 Fire Suppression |
| 22 Plumbing |
| 23 Heating, Ventilating, and Air Conditioning |
| 23 00 00 HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC) |
| 23 30 00 HVAC AIR DISTRIBUTION |
| 23 40 00 HVAC AIR CLEANING DEVICES |
| 23 50 00 CENTRAL HEATING EQUIPMENT |
| 26 Electrical |
| 27 Communications |
| 28 Electronic Safety and Security |
| 31 Earthwork |
| 32 Exterior Improvements |
| 33 Utilities |
| 40 Process Integration |
| 41 Material Processing and Handling Equipment |