| PSC | Description |
|---|---|
| M1AA | Operation of Office buildings |
| M1AB | Operation of Conference space and facilities |
| M1AZ | Operation of Other administrative facilities and service buildings |
| M1BA | Operation of Air traffic control towers |
| M1BB | Operation of Air traffic control training facilities |
| M1BC | Operation of Radar and navigational facilities |
| M1BD | Operation of Airport runways and taxiways |
| M1BE | Operation of Airport terminals |
| M1BF | Operation of Missile system facilities |
| M1BG | Operation of Electronic and communications facilities |
| M1BZ | Operation of Other airfield structures |
| M1CA | Operation of Schools |
| M1CZ | Operation of Other educational buildings |
| M1DA | Operation of Hospitals and infirmaries |
| M1DB | Operation of Laboratories and clinics |
| M1DZ | Operation of Other hospital buildings |
| M1EA | Operation of Ammunition facilities |
| M1EB | Operation of Maintenance buildings |
| M1Ec | Operation of Production buildings |
| M1ED | Operation of Ship construction and repair facilities |
| M1EE | Operation of Tank automotive facilities |
| M1EZ | Operation of Other industrial buildings |
| M1FA | Operation of Family housing facilities |
| M1FB | Operation of Recreational buildings |
| M1FC | Operation of Troop housing facilities |
| M1FD | Operation of Dining facilities |
| M1FE | Operation of Religious facilities |
| M1FF | Operation of Penal facilities |
| M1FZ | Operation of Other residential buildings |
| M1GA | Operation of Ammunition storage buildings |
| M1GB | Operation of Food or grain storage buildings |
| M1GC | Operation of Fuel storage buildings |
| M1GD | Operation of Open storage facilities |
| M1GZ | Operation of Other warehouse buildings |
| M1HA | Operation of Government-owned contractor-operated (GOCO) R&D fac |
| M1HB | Operation of Government-owned government-operated (GOGO) R&D fac |
| M1HC | Operation of GOCO environmental laboratories |
| M1HZ | Operation of GOGO environmental laboratories |
| M1JA | Operation of Museums and exhibition buildings |
| M1JB | Operation of Testing and measurement buildings |
| M1JZ | Operation of Miscellaneous buildings |
| M1KA | Operation of Dams |
| M1KB | Operation of Canals |
| M1KC | Operation of Mine fire control facilities |
| M1KD | Operation of Mine subsidence control facilities |
| M1KE | Operation of Surface mine reclamation facilities |
| M1KF | Operation of Dredging facilities |
| M1KZ | Operation of Other conservation and development facilities |
| M1LA | Operation of Airport service roads |
| M1LB | Operation of Highways, roads, streets, bridges, and railways |
| M1LC | Operation of Tunnels and subsurface structures |
| M1LZ | Operation of Parking facilities |
| M1MA | Operation of EPG facilities - coal |
| M1MB | Operation of EPG facilities - gas |
| M1MC | Operation of EPG facilities - geothermal |
| M1MD | Operation of EPG facilities - hydro |
| M1ME | Operation of EPG facilities - nuclear |
| M1MF | Operation of EPG facilities - petroleum |
| M1MG | Operation of EPG facilities - solar |
| M1MH | Operation of EPG facilities - wind |
| M1MZ | Operation of EPG facilities - other, including transmission |
| M1NA | Operation of Fuel supply facilities |
| M1NB | Operation of Heating and cooling plants |
| M1NC | Operation of Pollution abatement and control facilities |
| M1ND | Operation of Sewage and waste facilities |
| M1NE | Operation of Water supply facilities |
| M1NZ | Operation of Other utilities |
| M1PA | Operation of Recreation facilities (non-building) |
| M1PB | Operation of Exhibit design (non-building) |
| M1PC | Operation of Unimproved real property (land) |
| M1PD | Operation of Waste treatment and storage facilities |
| M1PZ | Operation of Other non-building facilities |
| M1QA | Operation of Restoration of real property (public or private) |
| M111 | Operation of Government-Owned: Office Buildings |
| M112 | Operation of Government-Owned: Conference Space & Facilities |
| M119 | Operation of Government-Owned: Other Administrative Services Buildings |
| M121 | Operation of Government-Owned: Air Traffic Control Towers |
| M122 | Operation of Government-Owned: Air Traffic Control Training Facilities |
| M123 | Operation of Government-Owned: Radar & Navigational Facilities |
| M124 | Operation of Government-Owned: Airport Runways |
| M125 | Operation of Government-Owned: Airport Terminals |
| M126 | Operation of Government-Owned: Missile System Facilities |
| M127 | Operation of Government-Owned: Electronic & Communications Systems Facilities |
| M129 | Operation of Government-Owned: Other Airfield Structures |
| M131 | Operation of Government-Owned: Schools |
| M139 | Operation of Government-Owned: Other Educational Buildings |
| M141 | Operation of Government-Owned: Hospitals & Infirmaries |
| M142 | Operation of Government-Owned: Laboratories & Clinics |
| M149 | Operation of Government-Owned: Other Hospital Buildings |
| M151 | Operation of Government-Owned: Ammunition Facilities |
| M152 | Operation of Government-Owned: Maintenance Buildings |
| M153 | Operation of Government-Owned: Production Buildings |
| M154 | Operation of Government-Owned: Ship Construction & Repair Facilities |
| M155 | Operation of Government-Owned: Tank Automotive Facilities |
| M159 | Operation of Government-Owned: Other Industrial Building |
| M161 | Operation of Government-Owned: Family Housing Facilities |
| M162 | Operation of Government-Owned: Recreational Buildings |
| M163 | Operation of Government-Owned: Troop Housing Facilities |
| M164 | Operation of Government-Owned: Dining Facilities |
| M165 | Operation of Government-Owned: Religious Facilities |
| M166 | Operation of Government-Owned: Penal Facilities |
| M169 | Operation of Government-Owned: Other Residential Buildings |
| M171 | Operation of Government-Owned: Ammunition Storage Buildings |
| M172 | Operation of Government-Owned: Food or Grain Storage Buildings |
| M173 | Operation of Government-Owned: Fuel Storage Buildings |
| M174 | Operation of Government-Owned: Open Storage Facilities |
| M179 | Operation of Government-Owned: Other Warehouse Buildings |
| M181 | Operation of Government-Owned: R&D GOCO Facilities |
| M182 | Operation of Government-Owned: R&D GOGO Facilities |
| M183 | Operation of Government-Owned: R&D GOCO Environmental Laboratories |
| M184 | Operation of Government-Owned: R&D GOGO Environmental Laboratories |
| M191 | Operation of Government-Owned: Museum & Exhibition Buildings |
| M192 | Operation of Government-Owned: Testing and Measurement Buildings |
| M199 | Operation of Government-Owned: Misc. Buildings |
| M211 | Operation of Government-Owned: Dams |
| M212 | Operation of Government-Owned: Canals |
| M213 | Operation of Government-Owned: Mine Fire Control Facilities |
| M214 | Operation of Government-Owned: Mine Subsidence Control Facilities |
| M215 | Operation of Government-Owned: Surface Mine Reclamation Facilities |
| M216 | Operation of Government-Owned: Dredging |
| M219 | Operation of Government-Owned: Other Conservation Structure |
| M221 | Operation of Government-Owned: Airport Service Roads |
| M222 | Operation of Government-Owned: Highways/Roads/Bridges/Railways |
| M223 | Operation of Government-Owned: Tunnels & Subsurface Structures |
| M224 | Operation of Government-Owned: Parking Facilities |
| M231 | Operation of Government-Owned: Electric Power Generation - Coal |
| M232 | Operation of Government-Owned: Electric Power Generation - Gas |
| M233 | Operation of Government-Owned: Electric Power Generation - Geothermal |
| M234 | Operation of Government-Owned: Electric Power Generation - Hydro |
| M235 | Operation of Government-Owned: Electric Power Generation - Nuclear |
| M236 | Operation of Government-Owned: Electric Power Generation - Petroleum |
| M237 | Operation of Government-Owned: Electric Power Generation - Solar |
| M239 | Operation of Government-Owned: Electric Power Generation - Other |
| M241 | Operation of Government-Owned: Fuel Supply |
| M242 | Operation of Government-Owned: Heating & Colloing Plants |
| M243 | Operation of Government-Owned: Pollution Abatement and Control Facilities |
| M244 | Operation of Government-Owned: Sewage & Waste |
| M245 | Operation of Government-Owned: Water Supply Facilities |
| M249 | Operation of Government-Owned: Other Utilities |
| M291 | Operation of Government-Owned: Recreation Facilities (Non-Building) |
| M292 | Operation of Government-Owned: Exhibit Design (Non-Building) |
| M293 | Operation of Government-Owned: Unimproved Real Property (Land) |
| M294 | Operation of Government-Owned: Waste Treatment Storage Facilities |
| M299 | Operation of Government-Owned: All Other Non-Building Facilities |
| M300 | Operation of Government-Owned: Restoration of Real Property |
Codes in red have an end date of 09/30/11
per the Federal Procurement Data System
PSC Manual dated 10/1/2011.
Codes in blue have been added as of 10/01/11
per the Federal Procurement Data System
PSC Manual dated 10/1/2011.