Federal NAICS Codes

NAICS 541990: All Other Professional, Scientific, and Technical Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 541990.

NAICS 541990 federal market metrics

Total obligations
$366.7B
Total awards
125,030 awards
Active obligations
$54.3B
Size standard
$19,500,000 receipts

What this NAICS covers

NAICS 541990 covers professional, scientific, and technical services that are not classified elsewhere by other NAICS codes, including specialized advisory, analytic, testing, or program support services provided on a project or task basis.

Federal opportunities under 541990 typically involve acquiring discrete professional or technical services not classified elsewhere, such as specialized studies, testing projects, subject-matter advisory tasks, or short-term program support defined by specific scopes and deliverable-based statements of work.

FY2025 snapshot

Obligations
$5B
Awards
3,471
Average award
$1.4M
Change from FY2024
-50.3%

Recent awards

Search contractors

$170,400

2A ALLCROSS S.R.L.

Department of State

PIID
19RS5026C0003
PSC
B549 - SPECIAL STUDIES/ANALYSIS- FOREIGN/NATIONAL SECURITY POLICY

$12,400

STERILECO LLC

Department of Veterans Affairs

PIID
36C25526N0406
PSC
H112 - QUALITY CONTROL- FIRE CONTROL EQUIPMENT

$459,202

AKIMA DATA MANAGEMENT LLC

National Science Foundation

PIID
49100426F0149
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$1,426,532

DELOITTE CONSULTING LLP

Food and Drug Administration

PIID
75F40126F19009
PSC
B528 - SPECIAL STUDIES/ANALYSIS- REGULATORY

$102,979

INALAB CONSULTING, INC.

US Geological Survey

PIID
140G0226F0261
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$25,128

Christian Neil Pettigrew

US Geological Survey

PIID
140G0226P0141
PSC
B529 - SPECIAL STUDIES/ANALYSIS- SCIENTIFIC DATA

$52,060

MEDIARADAR, INC.

Federal Trade Commission

PIID
29FTC126P0013
PSC
7H20 - IT AND TELECOM - PLATFORM PRODUCTS: DATABASE, MAINFRAME, MIDDLEWARE (HW, PERPETUAL LICENSE SOFTWARE)

FAQ

What work fits NAICS 541990?
  • Specialized laboratory testing or analytical services procured as discrete task orders not covered by standard lab-supply contracts.
  • Niche technical assessments or specialty studies requiring uncommon subject matter expertise and special-purpose technical reports.
  • Short-term technical advisory on a narrow scientific problem producing specific deliverables such as test reports or expert analyses.
  • Field sampling and laboratory analysis contracted for a particular program where the service is not part of a larger engineering or construction contract.
When is NAICS 541990 a weak fit?
  • Engineering design and systems integration: projects requiring detailed engineering drawings, specifications, and integration responsibility, because registered engineering and design deliverables fall under other NAICS.
  • Product testing tied to manufacturing delivery: testing that is part of a larger production contract where the manufacturer retains responsibility, because the activity is subordinate to manufacturing rather than an independent technical service.
  • Experimental research and development creating prototypes and IP: long-term R&D programs aimed at developing new products or prototypes, because that work aligns with research and experimental development classifications rather than ad hoc technical services.
What solicitation language points to NAICS 541990?
  • Scope defines standalone technical tasks with deliverables such as specialized laboratory reports, technical memoranda, or targeted subject-matter analyses.
  • Evaluation factors prioritize niche technical qualifications, specialized laboratory accreditations, or past performance on similar discrete tasks.
  • Contract line items structured as task or time-and-material orders for specific analyses rather than as system development, manufacturing, or facility operations.

Put this market knowledge to work

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