| PSC | Description
|
| E111 | Purch of govt office buildings |
| E112 | Purch of govt conf space & fac |
| E119 | Purch of govt other admin-svc bldgs |
| E121 | Purch of govt air traffic towers |
| E122 | Purch of govt air traffic tng fac |
| E123 | Purch of govt radar & nav facility |
| E124 | Purch of govt airport runways |
| E125 | Purch of govt airport terminals |
| E126 | Purch of govt missile systems fac |
| E127 | Purch of govt elct & comm sys fac |
| E129 | Purch of govt other airfield struct |
| E131 | Purch of govt schools |
| E139 | Purch of govt other educational bld |
| E141 | Purch of govt hospitals & infirmary |
| E142 | Purch of govt labs & clinics |
| E149 | Purch of govt other hospital bldgs |
| E151 | Purch of govt ammunition facilities |
| E152 | Purch of govt maint bldgs |
| E153 | Purch of govt production bldgs |
| E154 | Purch of govt ship const-rep fac |
| E155 | Purch of govt tank automotive fac |
| E159 | Purch of govt other industrial bldg |
| E161 | Purch of govt family housing |
| E162 | Purch of govt recreational bldgs |
| E163 | Purch of govt troop housing |
| E164 | Purch of govt dining facilities |
| E165 | Purch of govt religious facilities |
| E166 | Purch of govt penal facilities |
| E169 | Purch of govt other residential bld |
| E171 | Purch of govt ammo storage bldgs |
| E172 | Purch of govt food storage bldgs |
| E173 | Purch of govt fuel storage bldgs |
| E174 | Purch of govt open storage fac |
| E179 | Purch of govt other warehouse bldgs |
| E181 | Purch of govt R&D goco facilities |
| E182 | Purch of govt R&D gogo facilities |
| E183 | Purch of govt R&D goco envir labs |
| E184 | Purch of govt R&D gogo envir labs |
| E191 | Purch of govt exhibition buildings |
| E192 | Purch of govt test buildings |
| E199 | Purch of govt misc bldgs |
| E211 | Purch of govt dams |
| E212 | Purch of govt canals |
| E213 | Purch of govt mine fire cont |
| E214 | Purch of govt mine subsidence cont |
| E215 | Purch of govt surface mine reclam |
| E216 | Purch of govt R&D dredging |
| E219 | Purch of govt other consv structure |
| E221 | Purch of govt airport service roads |
| E222 | Purch of govt hwys-roads-bridges |
| E223 | Purch of govt tunnels-subsurf struc |
| E224 | Purch of govt parking facilities |
| E231 | Purch of govt epg - coal |
| E232 | Purch of govt epg - gas |
| E233 | Purch of govt epg - geothermal |
| E234 | Purch of govt epg - hydro |
| E235 | Purch of govt epg - nuclear |
| E236 | Purch of govt epg - petroleum |
| E237 | Purch of govt epg - solar |
| E239 | Purch of govt epg - other |
| E241 | Purch of govt fuel supply |
| E242 | Purch of govt heating & cool plants |
| E243 | Purch of govt pollution abatement |
| E244 | Purch of govt sewage & waste |
| E245 | Purch of govt water supply |
| E249 | Purch of govt other utilities |
| E291 | Purch of govt recrea non-bldg struc |
| E292 | Purch of govt exhibit (non bldg) |
| E293 | Purch of govt unimproved real prop |
| E294 | Purch of govt waste trmt-store fac |
| E299 | Purch of govt all othr non-bldg fac |
| E300 | Purch of govt restoration |