Agency + NAICS PSC rankings
Top PSC paths for NAICS 561990 under Department of Homeland Security.
Use this ranking when the research starts with Department of Homeland Security and NAICS 561990, and you want the strongest service-code pages inside that exact buyer + industry slice.
Best next ranking moves
Move faster from Department of Homeland Security + NAICS 561990
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 5865
Jump straight into the strongest PSC detail page inside Department of Homeland Security + NAICS 561990.
Open top PSC page
Open NAICS 561990 under Department of Homeland Security
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 Homeland Security
Broaden out from NAICS 561990 and see which service codes lead the whole Department of Homeland Security slice.
Open top PSC paths
Agency + industry PSC rankings
Top PSC paths inside Department of Homeland Security + NAICS 561990
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 5865
1 visible recipients · ELECTRONIC COUNTERMEASURES, COUNTER-COUNTERMEASURES AND QUICK REACTION CAPABILITY EQUIPMENT
PSC 1510
1 visible recipients · AIRCRAFT, FIXED WING
PSC R706
2 visible recipients · SUPPORT- MANAGEMENT: LOGISTICS SUPPORT
PSC J015
1 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
PSC S206
2 visible recipients · HOUSEKEEPING- GUARD
PSC R425
1 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
PSC R430
2 visible recipients · SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING
PSC S216
2 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT
PSC M139
2 visible recipients · OPER OF GOVT OTHER EDUCATIONAL BLDG
PSC R499
2 visible recipients · SUPPORT- PROFESSIONAL: OTHER
PSC 9330
1 visible recipients · PLASTICS FABRICATED MATERIALS
PSC S202
2 visible recipients · HOUSEKEEPING- FIRE PROTECTION
PSC M1CZ
1 visible recipients · OPERATION OF OTHER EDUCATIONAL BUILDINGS
PSC D399
1 visible recipients · IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS
PSC R418
1 visible recipients · SUPPORT- PROFESSIONAL: LEGAL
PSC R699
1 visible recipients · SUPPORT- ADMINISTRATIVE: OTHER
PSC U006
2 visible recipients · EDUCATION/TRAINING- VOCATIONAL/TECHNICAL
PSC 5962
1 visible recipients · MICROCIRCUITS, ELECTRONIC
PSC 7A21
1 visible recipients · IT AND TELECOM - BUSINESS APPLICATION SOFTWARE (PERPETUAL LICENSE SOFTWARE)
PSC 7010
1 visible recipients · INFORMATION TECHNOLOGY EQUIPMENT SYSTEM CONFIGURATION
PSC M199
1 visible recipients · OPER OF GOVT MISC BLDGS
PSC R429
1 visible recipients · SUPPORT- PROFESSIONAL: EMERGENCY RESPONSE/DISASTER PLANNING/PREPAREDNESS SUPPORT
PSC D316
1 visible recipients · IT AND TELECOM- TELECOMMUNICATIONS NETWORK MANAGEMENT
PSC Y1PZ
1 visible recipients · CONSTRUCTION OF OTHER NON-BUILDING FACILITIES
PSC 6625
1 visible recipients · ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS
PSC 5999
1 visible recipients · MISCELLANEOUS ELECTRICAL AND ELECTRONIC COMPONENTS
PSC R408
1 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
Other buyer + code ranking views
Move around Department of Homeland Security and NAICS 561990
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 Homeland Security
Return to the broader buyer ranking layer before picking a different industry code.
Open top NAICS paths
Open NAICS 561990 under Department of Homeland Security
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.