NAICS PSC rankings
Top PSC paths for NAICS 813920.
Use this ranking when the research starts with NAICS 813920 and you want the strongest service-code pages attached to Professional Organizations 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 R499
2 visible recipients · SUPPORT- PROFESSIONAL: OTHER
PSC AN42
1 visible recipients · HEALTH R&D SERVICES; HEALTH CARE - OTHER; APPLIED RESEARCH
PSC R410
1 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT
PSC R408
1 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
PSC B537
1 visible recipients · SPECIAL STUDIES/ANALYSIS- MEDICAL/HEALTH
PSC 7010
1 visible recipients · INFORMATION TECHNOLOGY EQUIPMENT SYSTEM CONFIGURATION
PSC R799
1 visible recipients · SUPPORT- MANAGEMENT: OTHER
PSC AD26
1 visible recipients · R&D- DEFENSE OTHER: SERVICES (MANAGEMENT/SUPPORT)
PSC Q999
1 visible recipients · MEDICAL- OTHER
Other NAICS ranking views
Move around NAICS 813920
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.