Top DOT testing laboratories and services contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $58.2M in net prime contract dollars under NAICS 541380, up 31.0% from $44.4M in the preceding 12 months. 46 prime contractors received positive obligations, and 8 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 541380
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 | Transportation Research Center Inc | $25.1M | $22.0M | 42.8% | — |
| 2 | Purdue University | $6.6M | $0 | 11.2% | New |
| 3 | Bangham Engineering Inc | $4.1M | $4.8M | 7.0% | ▼ 1 |
| 4 | Brick and Byte Inc. | $2.8M | $2.3M | 4.8% | — |
| 5 | Virginia Polytechnic Institute & State University | $2.3M | $2.1M | 3.9% | — |
| 6 | Soil and Land USE Technology, Inc | $2.2M | $3.2M | 3.8% | ▼ 3 |
| 7 | Dynamic Research, Inc | $2.1M | $1.2M | 3.5% | ▲ 2 |
| 8 | Regents of the University of Michigan | $1.8M | $969K | 3.1% | ▲ 2 |
| 9 | MGA Research Corporation | $1.7M | $1.4M | 2.9% | ▼ 2 |
| 10 | Calspan, LLC | $1.1M | $1.3M | 1.8% | ▼ 2 |
| 11 | George Mason University | $1.1M | $185K | 1.8% | ▲ 6 |
| 12 | Exponent Inc | $999K | $0 | 1.7% | New |
| 13 | American Center for Mobility | $750K | $0 | 1.3% | New |
| 14 | Applus Idiada Karco Engineering, LLC | $677K | $1.9M | 1.1% | ▼ 8 |
| 15 | Texas A&M Transportation Institute | $558K | $0 | 0.9% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Purdue University$0 → $6.6M (+$6.6M) · now #2
- Transportation Research Center Inc$22.0M → $25.1M (+$3.2M) · now #1
- Exponent Inc$0 → $999K (+$999K) · now #12
Largest declines
- Applus Idiada Karco Engineering, LLC$1.9M → $677K (−$1.2M) · now #14
- Soil and Land USE Technology, Inc$3.2M → $2.2M (−$978K) · now #6
- Bangham Engineering Inc$4.8M → $4.1M (−$665K) · now #3
New to this market
12 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Purdue University | Sep 22, 2026 | $6.6M |
| Texas A&M Transportation Institute | Sep 30, 2026 | $558K |
| Chesapeake Toxicology Resources, LLC | Sep 16, 2026 | $452K |
| Sapphire Technical Solutions, L.L.C | Sep 29, 2026 | $50K |
| Intertek Testing Services NA, Inc. | Sep 25, 2026 | $42K |
| E Labs Inc | Jul 10, 2026 | $38K |
| EA Engineering, Science, and Technology, Inc., PBC | Nov 4, 2025 | $19K |
| Eagle Drilling Services LLC | Jun 2, 2026 | $18K |
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 |
|---|---|---|---|
| National Highway Traffic Safety Administration | $39.6M | $32.2M | Up $7.3M (22.7%) |
| Federal Aviation Administration | $10.7M | $5.4M | Up $5.3M (98.7%) |
| Federal Highway Administration | $5.7M | $5.9M | Down $145K (2.5%) |
| Federal Railroad Administration | $1.3M | $458K | Up $820K (179.1%) |
| Maritime Administration | $419K | $245K | Up $174K (71.2%) |
| Immediate Office of the Secretary of Transportation | $347K | $81K | Up $266K (329.6%) |
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 |
|---|---|---|---|
| 693KA924C00009 | Bangham Engineering Inc OTHER FUNCTIONS | $13.6M | Mar 31, 2027 |
| 693JJ923F000191 | Transportation Research Center Inc THIS IS A NEW TASK ORDER TO PERFORM TESTING TO SUPPORT THE REPEATABILITY AND REPRODUCIBILITY OF CRASH AVOIDANCE TEST PROCEDURES PROPOSED BY THE AGENCY IN SUPPORT OF AUTOMATIC… | $2.2M | Mar 31, 2027 |
| 693JJ923F000296 | Transportation Research Center Inc **VRTC** NEW TRC TO AGAINST NEW TRC CONTRACT (TBD). SEVERABLE. POP: 5-YEAR ( BASE PERIOD WITH FOUR 1 YEAR OPTIONS.) BASE PERIOD 09/30/2023 - 09/29/2024 HISTORICALLY, INDIVIDUAL… | $12.7M | Jun 30, 2027 |
| 693JJ924F00129N | Transportation Research Center Inc NEW TO AGAINST TRC CONTRACT: 693JJ923D000057 DEFECTS ANALYSIS SUPPORT | $2.9M | Sep 2, 2027 |
| 693JJ923F000238 | George Mason University BEV AND ICE VEHICLE MODELING | $1.5M | Sep 25, 2027 |
| 693JJ922F00192N | Virginia Polytechnic Institute & State University TITLE: EXAMINATION OF ZERO TRUST CYBERSECURITY METHODS IN MOTOR VEHICLE ARCHITECTURES | $8.3M | Sep 29, 2027 |
| 693JJ923F000259 | Virginia Polytechnic Institute & State University THIS IS A NEW TASK ORDER UNDER VESS IDIQ. NHTSA HAS CONDUCTED TESTING IN THE PAST TO DETERMINE HOW ADAS TECHNOLOGIES RESPOND TO A VARIETY OF VRU SURROGATES. ACKNOWLEDGING THE… | $1.8M | Sep 30, 2027 |
| 693JJ923F000258 | Wake Forest University Health Sciences BIOMECHANICS CRASH TEST DATABASE | $1.6M | Sep 30, 2027 |
| 693JJ922F00150N | George Mason University THIS IS A NEW TASK ORDER (NON SEVERABLE) THAT SUPPORTS RESPONSE TO BIL SECTION 23015 MANDATE THIS FOUR-YEAR RESEARCH IS TO STUDY HOW AIRBAGS CAN BENEFIT OCCUPANTS UNDER FRONTAL… | $2.0M | Dec 8, 2027 |
| 693JJ623P000008 | Railinc Corp STB WAYBILL = THE CARLOAD WAYBILL SAMPLE IS AN ANNUAL SAMPLE OF PROPRIETARY WAYBILLS FOR TERMINATED SHIPMENTS BY RAIL CARRIERS. THE FEDERAL RAILROAD ADMINISTRATION (FRA) AND THE… | $1.5M | Dec 31, 2027 |
Common questions
Who are the top DOT contractors for NAICS 541380?
In the latest 12 months, Transportation Research Center Inc ($25.1M), Purdue University ($6.6M), Bangham Engineering Inc ($4.1M) received the most DOT obligations for testing laboratories and services.
How concentrated is this market?
The eight largest primes held 80.2% of positive obligations, and Transportation Research Center Inc alone held 42.8%. 12 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 541380 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 693KA924C00009 (Bangham Engineering Inc, $13.6M obligated), ending Mar 31, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$9.4MFigures 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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