Top NSF all other professional, scientific, and technical services contractors
In the 12 months ending Oct 5, 2026, the National Science Foundation obligated $6.4M in net prime contract dollars under NAICS 541990, down 50.1% from $12.8M in the preceding 12 months. 7 prime contractors received positive obligations, and 4 of them accounted for 80% of that spend.
Prime contracts funded by the National Science Foundation. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top NSF contractors for NAICS 541990
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Institute for Defense Analyses | $2.4M | $5.8M | 35.8% | — |
| 2 | Akima Data Management LLC | $1.3M | $1.4M | 20.0% | ▲ 1 |
| 3 | National Opinion Research Center | $1.1M | $2.1M | 15.7% | ▼ 1 |
| 4 | Research Triangle Institute | $828K | $599K | 12.4% | ▲ 2 |
| 5 | SRI International | $717K | $1.0M | 10.7% | — |
| 6 | UIC Science, LLC | $250K | $1.2M | 3.7% | ▼ 2 |
| 7 | American Institutes for Research in the Behavioral Sciences | $110K | $403K | 1.7% | — |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Research Triangle Institute$599K → $828K (+$229K) · now #4
- Infinisource Consulting Solutions, Inc.−$69K → $0 (+$69K) · no latest-period obligations
- Rector & Visitors of the University of Virginia−$137 → $0 (+$137) · no latest-period obligations
Largest declines
- Institute for Defense Analyses$5.8M → $2.4M (−$3.4M) · now #1
- National Opinion Research Center$2.1M → $1.1M (−$1.1M) · now #3
- UIC Science, LLC$1.2M → $250K (−$947K) · now #6
Where the money comes from
Funding sub-agencies within the National Science Foundation, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| National Science Foundation | $6.4M | $12.8M | Down $6.4M (50.1%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| NSFDACS15T0058 | Institute for Defense Analyses OPERATIONS AND MANAGEMENT OF THE SCIENCE AND TECHNOLOGY POLICY INSTITUTE | $24.0M | Feb 2, 2027 |
| 49100423C0021 | UIC Science, LLC PROFESSIONAL SERVICES IN SUPPORT OF THE INTERAGENCY ARCTIC RESEARCH POLICY COMMITTEE (IARPC) SECRETARIAT. | $4.6M | Mar 31, 2027 |
| 49100422F0112 | National Opinion Research Center EO14042 TECHNICAL AND ANALYTICAL SUPPORT SERVICES FOR THE NSF/NATIONAL CENTER FOR SCIENCE AND ENGINEERING STATISTICS | $3.1M | Jul 10, 2027 |
| 49100424F0217 | National Opinion Research Center EO14042 TECHNICAL AND ANALYTICAL SUPPORT SERVICES FOR THE NSF/NATIONAL CENTER FOR SCIENCE AND ENGINEERING STATISTICS | $2.3M | Aug 6, 2027 |
| 49100423F0202 | SRI International TECHNICAL AND ANALYTICAL SUPPORT SERVICES FOR THE NSF/NATIONAL CENTER FOR SCIENCE AND ENGINEERING STATISTICS | $1.4M | Aug 31, 2027 |
| 49100424F0227 | Research Triangle Institute TECHNICAL AND ANALYTICAL SUPPORT SERVICES FOR THE NSF/NATIONAL CENTER FOR SCIENCE AND ENGINEERING STATISTICS | $2.4M | Sep 16, 2027 |
Common questions
Who are the top NSF contractors for NAICS 541990?
In the latest 12 months, Institute for Defense Analyses ($2.4M), Akima Data Management LLC ($1.3M), National Opinion Research Center ($1.1M) received the most NSF obligations for all other professional, scientific, and technical services.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Institute for Defense Analyses alone held 35.8%. 0 contractors won their first obligations in this market during the latest 12 months.
Are any large NSF NAICS 541990 contracts ending soon?
6 of the largest awards in this market reach their current end date in the next 18 months. The first is NSFDACS15T0058 (Institute for Defense Analyses, $24.0M obligated), ending Feb 2, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 541990 across all agencies
DoD · NAICS 541990
$5.5BDOE · NAICS 541990
$2.8BHHS · NAICS 541990
$1.3BDOT · NAICS 541990
$557.4MUSAID · NAICS 541990
$277.4MCommerce · NAICS 541990
$213.3MState Department · NAICS 541990
$169.3MVA · NAICS 541990
$110.0MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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