Agency + NAICS PSC rankings
Top PSC paths for NAICS 561621 under Department of Defense.
Use this ranking when the research starts with Department of Defense and NAICS 561621, and you want the strongest service-code pages inside that exact buyer + industry slice.
Best next ranking moves
Move faster from Department of Defense + NAICS 561621
Use the strongest next click when this buyer + industry slice is already the right lane and you want to get to the best detail page faster.
Open PSC S206
Jump straight into the strongest PSC detail page inside Department of Defense + NAICS 561621.
Open top PSC page
Open NAICS 561621 under Department of Defense
Move from the ranking layer into the full buyer + NAICS page with recipient listings and overlap sections.
Open agency + NAICS page
Switch to top PSC paths for Department of Defense
Broaden out from NAICS 561621 and see which service codes lead the whole Department of Defense slice.
Open top PSC paths
Agency + industry PSC rankings
Top PSC paths inside Department of Defense + NAICS 561621
Use these rankings when the buyer-specific NAICS page is still too broad and you want the most relevant PSC pivots inside the same slice.
PSC S206
8 visible recipients · HOUSEKEEPING- GUARD
PSC R499
10 visible recipients · SUPPORT- PROFESSIONAL: OTHER
PSC Y1AA
1 visible recipients · CONSTRUCTION OF OFFICE BUILDINGS
PSC N059
4 visible recipients · INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS
PSC R430
7 visible recipients · SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING
PSC J059
2 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS
PSC J058
3 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- COMMUNICATION, DETECTION, AND COHERENT RADIATION EQUIPMENT
PSC R425
4 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
PSC R408
2 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
PSC Y1PZ
2 visible recipients · CONSTRUCTION OF OTHER NON-BUILDING FACILITIES
PSC C1AA
1 visible recipients · ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS
PSC Y1JZ
1 visible recipients · CONSTRUCTION OF MISCELLANEOUS BUILDINGS
PSC R604
1 visible recipients · SUPPORT- ADMINISTRATIVE: MAILING/DISTRIBUTION
PSC N063
3 visible recipients · INSTALLATION OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
PSC 6350
3 visible recipients · MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
PSC S216
3 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT
PSC C215
1 visible recipients · ARCHITECT AND ENGINEERING- GENERAL: PRODUCTION ENGINEERING
PSC J063
5 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
PSC S202
1 visible recipients · HOUSEKEEPING- FIRE PROTECTION
PSC Z2KZ
1 visible recipients · REPAIR OR ALTERATION OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES
PSC R699
2 visible recipients · SUPPORT- ADMINISTRATIVE: OTHER
PSC V127
1 visible recipients · TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: SECURITY VEHICLE
PSC Y199
1 visible recipients · CONSTRUCT/MISC BLDGS
PSC B546
2 visible recipients · SPECIAL STUDIES/ANALYSIS- SECURITY (PHYSICAL/PERSONAL)
PSC R799
2 visible recipients · SUPPORT- MANAGEMENT: OTHER
PSC Z1DA
1 visible recipients · MAINTENANCE OF HOSPITALS AND INFIRMARIES
PSC 7630
1 visible recipients · NEWSPAPERS AND PERIODICALS
PSC D399
1 visible recipients · IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS
PSC R615
1 visible recipients · SUPPORT- ADMINISTRATIVE: BACKGROUND INVESTIGATION
PSC R706
1 visible recipients · SUPPORT- MANAGEMENT: LOGISTICS SUPPORT
PSC AC23
1 visible recipients · NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; EXPERIMENTAL DEVELOPMENT
PSC S211
1 visible recipients · HOUSEKEEPING- SURVEILLANCE
PSC S201
1 visible recipients · HOUSEKEEPING- CUSTODIAL JANITORIAL
PSC 5895
1 visible recipients · MISCELLANEOUS COMMUNICATION EQUIPMENT
PSC Z1AZ
1 visible recipients · MAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS
PSC D302
1 visible recipients · IT AND TELECOM- SYSTEMS DEVELOPMENT
PSC M1GZ
2 visible recipients · OPERATION OF OTHER WAREHOUSE BUILDINGS
PSC D304
1 visible recipients · IT AND TELECOM- TELECOMMUNICATIONS AND TRANSMISSION
PSC 9905
1 visible recipients · SIGNS, ADVERTISING DISPLAYS, AND IDENTIFICATION PLATES
PSC 5999
1 visible recipients · MISCELLANEOUS ELECTRICAL AND ELECTRONIC COMPONENTS
PSC 4120
1 visible recipients · AIR CONDITIONING EQUIPMENT
PSC Z111
1 visible recipients · MAINT-REP-ALT/OFFICE BLDGS
Other buyer + code ranking views
Move around Department of Defense and NAICS 561621
Switch back into the broader buyer NAICS ranking layer or go straight into the detailed buyer + NAICS page when you want recipient-level browsing.
Top NAICS paths for Department of Defense
Return to the broader buyer ranking layer before picking a different industry code.
Open top NAICS paths
Open NAICS 561621 under Department of Defense
Move from the ranking layer into the full buyer + NAICS detail page with recipient listings and overlap sections.
Open agency + NAICS page
Directory graph
Move into full directory hubs
Use this ranking page as a shortcut, then branch back into the wider agency, NAICS, PSC, state, and top-list hubs when you want broader browse coverage.