The federal government uses classification codes to describe the services and products that it purchases. Click on any classification title to view construction contractors working in that category.
| Construction, mining, excavating & highway maintenance equipment(57) | Fire fighting, rescue & safety equipment(195) | Plumbing, heating, & sanitation equipment(171) | Water purification & sewage treatment equipment(45) |
| Construction & building materials(82) | (2507) | (25) | Maintenance, repair & rebuilding of equipment(65) |
| (35) | (25) | (3) | (106) |
| Construction of structures and facilities(116) | Construction Of Office Buildings(39) | (1) | Construction of Other Administrative Facilities and Service Buildings(69) |
| (1) | Construction Of Radar And Navigational Facilities(5) | Construction Of Airport Runways And Taxiways(5) | Construction Of Schools(5) |
| (9) | Construction Of Hospitals And Infirmaries(79) | (27) | (2) |
| (1) | (3) | Construction Of Miscellaneous Buildings(115) | (9) |
| (8) | Construction Of Highways, Roads, Streets, Bridges, And Railways(140) | (5) | (4) |
| (5) | (13) | Contingency Water Supply(16) | Construction Of Recreation Facilities (non-building)(23) |
| Construction Of Unimproved Real Property (land)(15) | Construction Of Other Non-building Facilities(117) | Construction Of Restoration Of Real Property(96) | Maintenance, repair, and alteration of real property(172) |
| Maintenance Of Office Buildings(65) | (49) | (1) | (4) |
| (1) | (104) | (45) | (20) |
| (35) | (6) | (30) | (169) |
| (74) | (1) | (3) | (72) |
| (8) | (124) | (22) | (3) |
| (41) | (7) | (16) | (4) |
| (69) | Repair Or Alteration Of Restoration Of Real Property(53) |
