NAICS PSC rankings
Top PSC paths for NAICS 519120.
Use this ranking when the research starts with NAICS 519120 and you want the strongest service-code pages attached to Libraries and Archives before moving into deeper intersections.
NAICS PSC rankings
Top PSC paths
These NAICS-scoped rankings are useful when you want a cleaner entry point than the full code page and a faster pivot into geography or service-lane research.
PSC S216
1 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT
PSC R499
1 visible recipients · SUPPORT- PROFESSIONAL: OTHER
PSC Z119
1 visible recipients · MAINT-REP-ALT/OTHER ADMIN BLDGS
PSC R425
1 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
PSC AC12
1 visible recipients · NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; APPLIED RESEARCH
PSC R605
1 visible recipients · SUPPORT- ADMINISTRATIVE: LIBRARY
PSC D399
1 visible recipients · IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS
PSC J058
1 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- COMMUNICATION, DETECTION, AND COHERENT RADIATION EQUIPMENT
PSC Z2JZ
1 visible recipients · REPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS
PSC R799
1 visible recipients · SUPPORT- MANAGEMENT: OTHER
Other NAICS ranking views
Move around NAICS 519120
Use sibling ranking layers when you want to stay inside the same industry lane but switch between geography and service-code analysis.
Directory graph
Move into full directory hubs
Use the NAICS-specific ranking page as a shortcut, then move back into the broader NAICS, state, PSC, and top-list hubs when you want wider browse coverage.