Top DOT other scientific and technical consulting services contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $22.2M in net prime contract dollars under NAICS 541690, up 21.5% from $18.3M in the preceding 12 months. 27 prime contractors received positive obligations, and 10 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Transportation. 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 DOT contractors for NAICS 541690
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 | Science Applications International Corporation | $7.1M | $9.7M | 31.3% | — |
| 2 | Intelligent Transportation Society of America (ITS America) | $2.2M | $1.3M | 9.6% | — |
| 3 | National Academy of Sciences | $2.0M | −$147K | 8.8% | New |
| 4 | Toxcel LLC | $1.8M | $0 | 8.0% | New |
| 5 | Yesdi Inc | $1.2M | $1.0M | 5.3% | ▼ 2 |
| 6 | Arctos Technology Solutions, LLC | $1.0M | $281K | 4.6% | ▲ 10 |
| 7 | Emory University | $932K | $905K | 4.1% | ▼ 3 |
| 8 | Wake Forest University Health Sciences | $757K | $736K | 3.3% | ▼ 2 |
| 9 | Cambridge Systematics, Inc. | $701K | $0 | 3.1% | New |
| 10 | National Institute for Safety Research Inc | $639K | $669K | 2.8% | ▼ 3 |
| 11 | University of Maryland, Baltimore | $625K | $612K | 2.8% | ▼ 3 |
| 12 | University of Alabama at Birmingham | $521K | $514K | 2.3% | ▼ 3 |
| 13 | Cahill Swift LLC | $503K | −$288K | 2.2% | New |
| 14 | Inova Health Care Services | $459K | $452K | 2.0% | ▼ 4 |
| 15 | Dynatest US Inc | $410K | $398K | 1.8% | ▼ 4 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- National Academy of Sciences−$147K → $2.0M (+$2.1M) · now #3
- Toxcel LLC$0 → $1.8M (+$1.8M) · now #4
- Intelligent Transportation Society of America (ITS America)$1.3M → $2.2M (+$860K) · now #2
Largest declines
- Science Applications International Corporation$9.7M → $7.1M (−$2.6M) · now #1
- Indra USA Inc$876K → −$266K (−$1.1M) · no latest-period obligations
- Rector & Visitors of the University of Virginia$381K → $0 (−$381K) · no latest-period obligations
New to this market
5 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| George Mason University | Sep 30, 2026 | $296K |
| Commercial Vehicle Safety Alliance | Sep 28, 2026 | $239K |
| Mabbett & Associates, Inc. | Sep 9, 2026 | $157K |
| Strategic Building Innovation Inc. | May 28, 2026 | $40K |
| Argus Media Inc | Jun 30, 2026 | $16K |
Where the money comes from
Funding sub-agencies within the Department of Transportation, 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 |
|---|---|---|---|
| Federal Aviation Administration | $10.1M | $12.7M | Down $2.5M (20.1%) |
| National Highway Traffic Safety Administration | $6.0M | $4.2M | Up $1.8M (42.8%) |
| Immediate Office of the Secretary of Transportation | $2.4M | $144K | Up $2.2M (1540.1%) |
| Federal Highway Administration | $2.3M | $830K | Up $1.4M (172.9%) |
| Federal Motor Carrier Safety Administration | $878K | $669K | Up $208K (31.1%) |
| Federal Railroad Administration | $503K | −$288K | Up $791K (274.9%) |
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 |
|---|---|---|---|
| 693KA925F00061 | Yesdi Inc EFAST 25-048-N8 NEW TASK ORDER | $1.4M | Aug 23, 2027 |
| 692M1522C00014 | Dynatest US Inc OPERATION AND MAINTENANCE OF HEAVY VEHICLE SIMULATOR-AIRFIELD AT WILLIAM J. HUGHES TECHNICAL CENTER ATLANTIC CITY NJ | $1.9M | Sep 28, 2027 |
| 693JJ922F00196N | Emory University EMORY UNIVERSITY CIREN PEDESTRIAN AND MOTOR VEHICLE ENROLLMENT TASK ORDER | $4.4M | Sep 29, 2027 |
| 693JJ922F00202N | Wake Forest University Health Sciences WAKE FOREST UNIVERSITY CIREN OPEN ENROLLMENT | $3.6M | Sep 29, 2027 |
| 693JJ922F00201N | University of Maryland, Baltimore UNIVERSITY OF MARYLAND CIREN OPEN ENROLLMENT | $3.0M | Sep 29, 2027 |
| 693JJ922F00198N | University of Alabama at Birmingham UNIVERSITY OF ALABAMA CIREN ENROLLMENT TASK ORDER | $2.5M | Sep 29, 2027 |
| 693JJ922F00197N | Inova Health Care Services INOVA CIREN ENROLLMENT TASK ORDER | $2.2M | Sep 29, 2027 |
| 693JJ424C000007 | National Institute for Safety Research Inc DATA QUALITY ANALYSIS AND TRAINING SUPPORT FOR THE FMCSA STATE SAFETY DATA QUALITY & CRASH CAUSAL FACTORS PROGRAM | $2.1M | Sep 29, 2027 |
| 693JJ922F00199N | The Medical College of Wisconsin, Inc. MEDICAL COLLEGE OF WISCONSIN CIREN OPEN ENROLLMENT | $1.5M | Sep 29, 2027 |
| 693JK426C600006 | National Academy of Sciences CONGRESSIONAL REQUEST - SENATE REPORT 119-74 -INDEPENDENT REVIEW OF DC AIRSPACE DESIGN, CIVIL-MILITARY COORDINATION, AND OPERATIONAL SAFETY IN THE NATIONAL CAPITAL REGION -FLIGHT… | $2.0M | Sep 30, 2027 |
Common questions
Who are the top DOT contractors for NAICS 541690?
In the latest 12 months, Science Applications International Corporation ($7.1M), Intelligent Transportation Society of America (ITS America) ($2.2M), National Academy of Sciences ($2.0M) received the most DOT obligations for other scientific and technical consulting services.
How concentrated is this market?
The eight largest primes held 74.9% of positive obligations, and Science Applications International Corporation alone held 31.3%. 5 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 541690 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 693KA925F00061 (Yesdi Inc, $1.4M obligated), ending Aug 23, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$24.9MFigures 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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