NAICS PSC rankings
Top PSC paths for NAICS 541990.
Use this ranking when the research starts with NAICS 541990 and you want the strongest service-code pages attached to All Other Professional, Scientific, and Technical Services 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
138 visible recipients · SUPPORT- PROFESSIONAL: OTHER
PSC R425
57 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
PSC R408
79 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
PSC Q403
2 visible recipients · MEDICAL- EVALUATION/SCREENING
PSC D399
38 visible recipients · IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS
PSC AZ12
5 visible recipients · R&D- OTHER RESEARCH AND DEVELOPMENT (APPLIED RESEARCH/EXPLORATORY DEVELOPMENT)
PSC AZ14
3 visible recipients · R&D- OTHER RESEARCH AND DEVELOPMENT (ENGINEERING DEVELOPMENT)
PSC AB94
1 visible recipients · R&D- COMMUNITY SERVICE/DEVELOPMENT: OTHER (ENGINEERING DEVELOPMENT)
PSC AC32
2 visible recipients · NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; APPLIED RESEARCH
PSC M181
1 visible recipients · OPER OF GOVT R&D GOCO FACILITIES
PSC DA01
32 visible recipients · IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR)
PSC AN12
2 visible recipients · HEALTH R&D SERVICES; HEALTH CARE SERVICES; APPLIED RESEARCH
PSC M1HA
1 visible recipients · OPERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES
PSC R799
38 visible recipients · SUPPORT- MANAGEMENT: OTHER
PSC R422
4 visible recipients · SUPPORT- PROFESSIONAL: MARKET RESEARCH/PUBLIC OPINION
PSC R706
15 visible recipients · SUPPORT- MANAGEMENT: LOGISTICS SUPPORT
PSC R414
3 visible recipients · SYSTEMS ENGINEERING SERVICES
PSC R615
3 visible recipients · SUPPORT- ADMINISTRATIVE: BACKGROUND INVESTIGATION
PSC G007
1 visible recipients · SOCIAL- GOVERNMENT HEALTH INSURANCE PROGRAMS
PSC 1345
1 visible recipients · LAND MINES
PSC Q999
4 visible recipients · MEDICAL- OTHER
PSC AN11
2 visible recipients · HEALTH R&D SERVICES; HEALTH CARE SERVICES; BASIC RESEARCH
PSC R699
31 visible recipients · SUPPORT- ADMINISTRATIVE: OTHER
PSC J015
2 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
PSC C219
8 visible recipients · ARCHITECT AND ENGINEERING- GENERAL: OTHER
PSC R421
7 visible recipients · TECHNICAL ASSISTANCE
PSC D318
14 visible recipients · IT AND TELECOM- INTEGRATED HARDWARE/SOFTWARE/SERVICES SOLUTIONS, PREDOMINANTLY SERVICES
PSC Q101
2 visible recipients · MEDICAL- DEPENDENT MEDICARE
PSC Y1BZ
1 visible recipients · CONSTRUCTION OF OTHER AIRFIELD STRUCTURES
PSC D308
5 visible recipients · IT AND TELECOM- PROGRAMMING
PSC B506
5 visible recipients · SPECIAL STUDIES/ANALYSIS- DATA (OTHER THAN SCIENTIFIC)
PSC S216
4 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT
PSC R410
7 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT
PSC AD92
4 visible recipients · R&D- DEFENSE OTHER: OTHER (APPLIED RESEARCH/EXPLORATORY DEVELOPMENT)
PSC AD93
3 visible recipients · R&D- DEFENSE OTHER: OTHER (ADVANCED DEVELOPMENT)
PSC AZ11
2 visible recipients · R&D- OTHER RESEARCH AND DEVELOPMENT (BASIC RESEARCH)
PSC N059
1 visible recipients · INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS
PSC AD24
4 visible recipients · R&D- DEFENSE OTHER: SERVICES (ENGINEERING DEVELOPMENT)
PSC 1820
1 visible recipients · SPACE VEHICLE COMPONENTS
PSC DF01
13 visible recipients · IT AND TELECOM - IT MANAGEMENT SUPPORT SERVICES (LABOR)
PSC AN42
5 visible recipients · HEALTH R&D SERVICES; HEALTH CARE - OTHER; APPLIED RESEARCH
PSC U009
6 visible recipients · EDUCATION/TRAINING- GENERAL
PSC R707
7 visible recipients · SUPPORT- MANAGEMENT: CONTRACT/PROCUREMENT/ACQUISITION SUPPORT
PSC D302
8 visible recipients · IT AND TELECOM- SYSTEMS DEVELOPMENT
PSC R604
1 visible recipients · SUPPORT- ADMINISTRATIVE: MAILING/DISTRIBUTION
PSC R423
3 visible recipients · SUPPORT- PROFESSIONAL: INTELLIGENCE
PSC Y1JZ
1 visible recipients · CONSTRUCTION OF MISCELLANEOUS BUILDINGS
PSC AC24
1 visible recipients · NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; R&D ADMINISTRATIVE EXPENSES
PSC U099
9 visible recipients · EDUCATION/TRAINING- OTHER
PSC D301
5 visible recipients · IT AND TELECOM- FACILITY OPERATION AND MAINTENANCE
Other NAICS ranking views
Move around NAICS 541990
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.
