| PSC | Description |
|---|---|
| Z1AA | Maintenance of Office buildings |
| Z1AB | Maintenance of Conference space and facilities |
| Z1AZ | Maintenance of Other administrative facilities and service buildings |
| Z1BA | Maintenance of Air traffic control towers |
| Z1BB | Maintenance of Air traffic control training facilities |
| Z1BC | Maintenance of Radar and navigational facilities |
| Z1BD | Maintenance of Airport runways and taxiways |
| Z1BE | Maintenance of Airport terminals |
| Z1BF | Maintenance of Missile system facilities |
| Z1BG | Maintenance of Electronic and communications facilities |
| Z1BZ | Maintenance of Other airfield structures |
| Z1CA | Maintenance of Schools |
| Z1CZ | Maintenance of Other educational buildings |
| Z1DA | Maintenance of Hospitals and infirmaries |
| Z1DB | Maintenance of Laboratories and clinics |
| Z1DZ | Maintenance of Other hospital buildings |
| Z1EA | Maintenance of Ammunition facilities |
| Z1EB | Maintenance of Maintenance buildings |
| Z1EC | Maintenance of Production buildings |
| Z1ED | Maintenance of Ship construction and repair facilities |
| Z1EE | Maintenance of Tank automotive facilities |
| Z1EZ | Maintenance of Other industrial buildings |
| Z1FA | Maintenance of Family housing facilities |
| Z1FB | Maintenance of Recreational buildings |
| Z1FC | Maintenance of Troop housing facilities |
| Z1FD | Maintenance of Dining facilities |
| Z1FE | Maintenance of Religious facilities |
| Z1FF | Maintenance of Penal facilities |
| Z1FZ | Maintenance of Other residential buildings |
| Z1GA | Maintenance of Ammunition storage buildings |
| Z1GB | Maintenance of Food or grain storage buildings |
| Z1GC | Maintenance of Fuel storage buildings |
| Z1GD | Maintenance of Open storage facilities |
| Z1GZ | Maintenance of Other warehouse buildings |
| Z1HA | Maintenance of Government-owned contractor-operated (GOCO) R&D fac |
| Z1HB | Maintenance of Government-owned government-operated (GOGO) R&D fac |
| Z1HC | Maintenance of GOCO environmental laboratories |
| Z1HZ | Maintenance of GOGO environmental laboratories |
| Z1JA | Maintenance of Museums and exhibition buildings |
| Z1JB | Maintenance of Testing and measurement buildings |
| Z1JZ | Maintenance of Miscellaneous buildings |
| Z1KA | Maintenance of Dams |
| Z1KB | Maintenance of Canals |
| Z1KC | Maintenance of Mine fire control facilities |
| Z1KD | Maintenance of Mine subsidence control facilities |
| Z1KE | Maintenance of Surface mine reclamation facilities |
| Z1KF | Maintenance of Dredging facilities |
| Z1KZ | Maintenance of Other conservation and development facilities |
| Z1LA | Maintenance of Airport service roads |
| Z1LB | Maintenance of Highways, roads, streets, bridges, and railways |
| Z1LC | Maintenance of Tunnels and subsurface structures |
| Z1LZ | Maintenance of Parking facilities |
| Z1MA | Maintenance of EPG facilities - coal |
| Z1MB | Maintenance of EPG facilities - gas |
| Z1MC | Maintenance of EPG facilities - geothermal |
| Z1MD | Maintenance of EPG facilities - hydro |
| Z1ME | Maintenance of EPG facilities - nuclear |
| Z1MF | Maintenance of EPG facilities - petroleum |
| Z1MG | Maintenance of EPG facilities - solar |
| Z1MH | Maintenance of EPG facilities - wind |
| Z1MZ | Maintenance of EPG facilities - other, including transmission |
| Z1NA | Maintenance of Fuel supply facilities |
| Z1NB | Maintenance of Heating and cooling plants |
| Z1NC | Maintenance of Pollution abatement and control facilities |
| Z1ND | Maintenance of Sewage and waste facilities |
| Z1NE | Maintenance of Water supply facilities |
| Z1NZ | Maintenance of Other utilities |
| Z1PA | Maintenance of Recreation facilities (non-building) |
| Z1PB | Maintenance of Exhibit design (non-building) |
| Z1PC | Maintenance of Unimproved real property (land) |
| Z1PD | Maintenance of Waste treatment and storage facilities |
| Z1PZ | Maintenance of Other non-building facilities |
| Z1QA | Maintenance of Restoration of real property (public or private) |
| Z2AA | Repair or Alteration of Office buildings |
| Z2AB | Repair or Alteration of Conference space and facilities |
| Z2AZ | Repair or Alteration of Other administrative facilities and service buildings |
| Z2BA | Repair or Alteration of Air traffic control towers |
| Z2BB | Repair or Alteration of Air traffic control training facilities |
| Z2BC | Repair or Alteration of Radar and navigational facilities |
| Z2BD | Repair or Alteration of Airport runways and taxiways |
| Z2BE | Repair or Alteration of Airport terminals |
| Z2BF | Repair or Alteration of Missile system facilities |
| Z2BG | Repair or Alteration of Electronic and communications facilities |
| Z2BZ | Repair or Alteration of Other airfield structures |
| Z2CA | Repair or Alteration of Schools |
| Z2CZ | Repair or Alteration of Other educational buildings |
| Z2DA | Repair or Alteration of Hospitals and infirmaries |
| Z2DB | Repair or Alteration of Laboratories and clinics |
| Z2DZ | Repair or Alteration of Other hospital buildings |
| Z2EA | Repair or Alteration of Ammunition facilities |
| Z2EB | Repair or Alteration of Maintenance buildings |
| Z2EC | Repair or Alteration of Production buildings |
| Z2ED | Repair or Alteration of Ship construction and repair facilities |
| Z2EE | Repair or Alteration of Tank automotive facilities |
| Z2EZ | Repair or Alteration of Other industrial buildings |
| Z2FA | Repair or Alteration of Family housing facilities |
| Z2FB | Repair or Alteration of Recreational buildings |
| Z2FC | Repair or Alteration of Troop housing facilities |
| Z2FD | Repair or Alteration of Dining facilities |
| Z2FE | Repair or Alteration of Religious facilities |
| Z2FF | Repair or Alteration of Penal facilities |
| Z2FZ | Repair or Alteration of Other residential buildings |
| Z2GA | Repair or Alteration of Ammunition storage buildings |
| Z2GB | Repair or Alteration of Food or grain storage buildings |
| Z2GC | Repair or Alteration of Fuel storage buildings |
| Z2GD | Repair or Alteration of Open storage facilities |
| Z2GZ | Repair or Alteration of Other warehouse buildings |
| Z2HA | Repair or Alteration of Government-owned contractor-operated (GOCO) R&D fac |
| Z2HB | Repair or Alteration of Government-owned government-operated (GOGO) R&D fac |
| Z2HC | Repair or Alteration of GOCO environmental laboratories |
| Z2HZ | Repair or Alteration of GOGO environmental laboratories |
| Z2JA | Repair or Alteration of Museums and exhibition buildings |
| Z2JB | Repair or Alteration of Testing and measurement buildings |
| Z2JZ | Repair or Alteration of Miscellaneous buildings |
| Z2KA | Repair or Alteration of Dams |
| Z2KB | Repair or Alteration of Canals |
| Z2KC | Repair or Alteration of Mine fire control facilities |
| Z2KD | Repair or Alteration of Mine subsidence control facilities |
| Z2KE | Repair or Alteration of Surface mine reclamation facilities |
| Z2KF | Repair or Alteration of Dredging facilities |
| Z2KZ | Repair or Alteration of Other conservation and development facilities |
| Z2LA | Repair or Alteration of Airport service roads |
| Z2LB | Repair or Alteration of Highways, roads, streets, bridges, and railways |
| Z2LC | Repair or Alteration of Tunnels and subsurface structures |
| Z2LZ | Repair or Alteration of Parking facilities |
| Z2MA | Repair or Alteration of EPG facilities - coal |
| Z2MB | Repair or Alteration of EPG facilities - gas |
| Z2MC | Repair or Alteration of EPG facilities - geothermal |
| Z2MD | Repair or Alteration of EPG facilities - hydro |
| Z2ME | Repair or Alteration of EPG facilities - nuclear |
| Z2MF | Repair or Alteration of EPG facilities - petroleum |
| Z2MG | Repair or Alteration of EPG facilities - solar |
| Z2MH | Repair or Alteration of EPG facilities - wind |
| Z2MZ | Repair or Alteration of EPG facilities - other, including transmission |
| Z2NA | Repair or Alteration of Fuel supply facilities |
| Z2NB | Repair or Alteration of Heating and cooling plants |
| Z2NC | Repair or Alteration of Pollution abatement and control facilities |
| Z2ND | Repair or Alteration of Sewage and waste facilities |
| Z2NE | Repair or Alteration of Water supply facilities |
| Z2NZ | Repair or Alteration of Other utilities |
| Z2PA | Repair or Alteration of Recreation facilities (non-building) |
| Z2PB | Repair or Alteration of Exhibit design (non-building) |
| Z2PC | Repair or Alteration of Unimproved real property (land) |
| Z2PD | Repair or Alteration of Waste treatment and storage facilities |
| Z2PZ | Repair or Alteration of Other non-building facilities |
| Z2QA | Repair or Alteration of Restoration of real property (public or private) |
| Z111 | Maintenance, Repair or Alteration of Office Buildings |
| Z112 | Maintenance, Repair or Alteration of Conference Space & Facilities |
| Z119 | Maintenance, Repair or Alteration of Other Administrative Services Buildings |
| Z121 | Maintenance, Repair or Alteration of Air Traffic Control Towers |
| Z122 | Maintenance, Repair or Alteration of Air Traffic Control Training Facilities |
| Z123 | Maintenance, Repair or Alteration of Radar & Navigational Facilities |
| Z124 | Maintenance, Repair or Alteration of Airport Runways |
| Z125 | Maintenance, Repair or Alteration of Airport Terminals |
| Z126 | Maintenance, Repair or Alteration of Missile System Facilities |
| Z127 | Maintenance, Repair or Alteration of Electronic & Communications Systems Facilities |
| Z129 | Maintenance, Repair or Alteration of Other Airfield Structures |
| Z131 | Maintenance, Repair or Alteration of Schools |
| Z139 | Maintenance, Repair or Alteration of Other Educational Buildings |
| Z141 | Maintenance, Repair or Alteration of Hospitals & Infirmaries |
| Z142 | Maintenance, Repair or Alteration of Laboratories & Clinics |
| Z149 | Maintenance, Repair or Alteration of Other Hospital Buildings |
| Z151 | Maintenance, Repair or Alteration of Ammunition Facilities |
| Z152 | Maintenance, Repair or Alteration of Maintenance Buildings |
| Z153 | Maintenance, Repair or Alteration of Production Buildings |
| Z154 | Maintenance, Repair or Alteration of Ship Construction & Repair Facilities |
| Z155 | Maintenance, Repair or Alteration of Tank Automotive Facilities |
| Z159 | Maintenance, Repair or Alteration of Other Industrial Building |
| Z161 | Maintenance, Repair or Alteration of Family Housing Facilities |
| Z162 | Maintenance, Repair or Alteration of Recreational Buildings |
| Z163 | Maintenance, Repair or Alteration of Troop Housing Facilities |
| Z164 | Maintenance, Repair or Alteration of Dining Facilities |
| Z165 | Maintenance, Repair or Alteration of Religious Facilities |
| Z166 | Maintenance, Repair or Alteration of Penal Facilities |
| Z169 | Maintenance, Repair or Alteration of Other Residential Buildings |
| Z171 | Maintenance, Repair or Alteration of Ammunition Storage Buildings |
| Z172 | Maintenance, Repair or Alteration of Food or Grain Storage Buildings |
| Z173 | Maintenance, Repair or Alteration of Fuel Storage Buildings |
| Z174 | Maintenance, Repair or Alteration of Open Storage Facilities |
| Z179 | Maintenance, Repair or Alteration of Other Warehouse Buildings |
| Z181 | Maintenance, Repair or Alteration of R&D GOCO Facilities |
| Z182 | Maintenance, Repair or Alteration of R&D GOGO Facilities |
| Z183 | Maintenance, Repair or Alteration of R&D GOCO Environmental Laboratories |
| Z184 | Maintenance, Repair or Alteration of R&D GOGO Environmental Laboratories |
| Z191 | Maintenance, Repair or Alteration of Museum & Exhibition Buildings |
| Z192 | Maintenance, Repair or Alteration of Testing and Measurement Buildings |
| Z199 | Maintenance, Repair or Alteration of Misc. Buildings |
| Z211 | Maintenance, Repair or Alteration of Dams |
| Z212 | Maintenance, Repair or Alteration of Canals |
| Z213 | Maintenance, Repair or Alteration of Mine Fire Control Facilities |
| Z214 | Maintenance, Repair or Alteration of Mine Subsidence Control Facilities |
| Z215 | Maintenance, Repair or Alteration of Surface Mine Reclamation Facilities |
| Z216 | Maintenance, Repair or Alteration of Dredging |
| Z219 | Maintenance, Repair or Alteration of Other Conservation Structure |
| Z221 | Maintenance, Repair or Alteration of Airport Service Roads |
| Z222 | Maintenance, Repair or Alteration of Highways/Roads/Bridges/Railways |
| Z223 | Maintenance, Repair or Alteration of Tunnels & Subsurface Structures |
| Z224 | Maintenance, Repair or Alteration of Parking Facilities |
| Z231 | Maintenance, Repair or Alteration of Electric Power Generation - Coal |
| Z232 | Maintenance, Repair or Alteration of Electric Power Generation - Gas |
| Z233 | Maintenance, Repair or Alteration of Electric Power Generation - Geothermal |
| Z234 | Maintenance, Repair or Alteration of Electric Power Generation - Hydro |
| Z235 | Maintenance, Repair or Alteration of Electric Power Generation - Nuclear |
| Z236 | Maintenance, Repair or Alteration of Electric Power Generation - Petroleum |
| Z237 | Maintenance, Repair or Alteration of Electric Power Generation - Solar |
| Z239 | Maintenance, Repair or Alteration of Electric Power Generation - Other |
| Z241 | Maintenance, Repair or Alteration of Fuel Supply |
| Z242 | Maintenance, Repair or Alteration of Heating & Colloing Plants |
| Z243 | Maintenance, Repair or Alteration of Pollution Abatement and Control Facilities |
| Z244 | Maintenance, Repair or Alteration of Sewage & Waste |
| Z245 | Maintenance, Repair or Alteration of Water Supply Facilities |
| Z249 | Maintenance, Repair or Alteration of Other Utilities |
| Z291 | Maintenance, Repair or Alteration of Recreation Facilities (Non-Building) |
| Z292 | Maintenance, Repair or Alteration of Exhibit Design (Non-Building) |
| Z293 | Maintenance, Repair or Alteration of Unimproved Real Property (Land) |
| Z294 | Maintenance, Repair or Alteration of Waste Treatment Storage Facilities |
| Z299 | Maintenance, Repair or Alteration of All Other Non-Building Facilities |
| Z300 | Maintenance, Repair or Alteration of 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.