Top DOT engineering services contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $1.8B in net prime contract dollars under NAICS 541330, up 32.9% from $1.4B in the preceding 12 months. 169 prime contractors received positive obligations, and 24 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 541330
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 | Raytheon Company | $202.3M | $131.2M | 10.9% | ▲ 1 |
| 2 | The MITRE Corporation | $188.7M | $157.0M | 10.2% | ▼ 1 |
| 3 | Noblis, Inc. | $141.0M | $96.1M | 7.6% | ▲ 1 |
| 4 | l3harris Technologies, Inc. | $131.9M | $14.5M | 7.1% | ▲ 20 |
| 5 | Science Applications International Corporation | $110.0M | $105.3M | 5.9% | ▼ 2 |
| 6 | Veracity Engineering LLC | $67.5M | $44.0M | 3.6% | ▲ 1 |
| 7 | LS Technologies LLC | $66.3M | $83.9M | 3.6% | ▼ 2 |
| 8 | Cherokee Strategic Solutions, L.L.C. | $59.5M | $22.3M | 3.2% | ▲ 9 |
| 9 | Asrc Federal Advanced Research, LLC | $56.6M | $0 | 3.0% | New |
| 10 | Oasis Systems, LLC | $50.4M | $34.4M | 2.7% | ▲ 1 |
| 11 | Advanced Management Technology, Inc. | $50.2M | $38.7M | 2.7% | ▼ 1 |
| 12 | Regulus Group, LLC | $48.6M | $28.9M | 2.6% | ▲ 2 |
| 13 | Jacobs Engineering Group Inc. | $42.6M | $40.4M | 2.3% | ▼ 5 |
| 14 | Arinc Incorporated | $41.2M | $39.7M | 2.2% | ▼ 5 |
| 15 | Evans Incorporated | $37.4M | $21.1M | 2.0% | ▲ 3 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- l3harris Technologies, Inc.$14.5M → $131.9M (+$117.3M) · now #4
- Raytheon Company$131.2M → $202.3M (+$71.1M) · now #1
- Asrc Federal Advanced Research, LLC$0 → $56.6M (+$56.6M) · now #9
Largest declines
- Asrc Federal System Solutions LLC$57.0M → $16.4M (−$40.6M) · now #23
- LS Technologies LLC$83.9M → $66.3M (−$17.6M) · now #7
- Capital Group, LLC$25.3M → $15.3M (−$10.1M) · now #26
New to this market
26 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Asrc Federal Advanced Research, LLC | Mar 25, 2026 | $56.6M |
| Frequentis USA, Inc | Dec 16, 2025 | $18.9M |
| Arctos Technology Solutions, LLC | Jul 2, 2026 | $2.1M |
| ISA Software LLC | Dec 9, 2025 | $2.1M |
| Epjv, LLC | Feb 12, 2026 | $1.2M |
| Sentrillion Corporation | Mar 31, 2026 | $872K |
| Oliver Wyman, LLC | Jun 8, 2026 | $744K |
| Wiss, Janney, Elstner Associates, Inc. | Aug 21, 2026 | $721K |
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 | $1.6B | $1.2B | Up $416.4M (35.5%) |
| Federal Highway Administration | $132.0M | $118.9M | Up $13.2M (11.1%) |
| Federal Railroad Administration | $55.1M | $32.7M | Up $22.4M (68.4%) |
| Immediate Office of the Secretary of Transportation | $49.9M | $49.3M | Up $608K (1.2%) |
| National Highway Traffic Safety Administration | $8.7M | $10.4M | Down $1.7M (16.4%) |
| Maritime Administration | $6.8M | $3.8M | Up $3.0M (80.4%) |
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 |
|---|---|---|---|
| 0005 | Noblis, Inc. EPICS UNRESTRICTED CONTRACT; NOBLIS; # DTFAWA-17-D-00014 ON TASK ORDER # 0005 ENTERPRISE ENGINEERING SERVICES SUPPORT | $175.5M | Feb 9, 2027 |
| 0010 | Noblis, Inc. NOBLIS ENGINEERING SUPPORT VIA EPICS UNRESTRICTED CONTRACT DTFAWA-17-D-00014 | $35.5M | Feb 9, 2027 |
| 0003 | Noblis, Inc. EPICS LARGE CONTRACT # DTFAWA-17-D-00015 ON TASK ORDER # 0003 | $32.9M | Feb 9, 2027 |
| 0004 | Noblis, Inc. EPICS UNRESTRICTED CONTRACT NOBLIS # DTFAWA-17-D-00014 FOR TASK ORDER # 0004 NAS VOICE SYSTEMS (NVS) PMO) SUPPORT | $89.6M | Feb 9, 2027 |
| 0001 | Veracity Engineering LLC OTHER FUNCTION EPICS CONTRACT SUPPORT FOR CFE, NEXCOM AND ACL DTFAWA-17-D-00032; TASK ORDER 0001 AIR/GROUND SOLUTION IMPLEMENTATION TASK ORDER 0001 CEILING: $19,173,245.60 BASE… | $55.8M | Feb 9, 2027 |
| 0009 | Noblis, Inc. | $28.5M | Feb 9, 2027 |
| 693JJ623C000003 | Ensco Inc THE GOVERNMENT HAS A NEED FOR CONTRACTED SERVICES SUPPORTING THE AUTOMATED TRACK INSPECTION PROGRAM (ATIP). ATIP PROVIDES GUIDANCE AND UNDERSTANDING REGARDING ON-TRACK SAFETY… | $75.6M | Mar 31, 2027 |
| 693KA922F00134 | Cssi, LLC EFAST PA 22-004-CS SAFETY SERVICES SUPPORT (S3) | $48.3M | Jun 23, 2027 |
| 693KA819F00378 | Advanced Management Technology, Inc. NAVTAC II CONTRACT SBAS TASK ORDER 22 | $53.4M | Jul 5, 2027 |
| 693KA921F00269 | Regulus Group, LLC SURVEILLANCE ACQUISITION SUSTAINMENT PROGRAM SUPPORT AJM 41 | $60.1M | Dec 31, 2027 |
Common questions
Who are the top DOT contractors for NAICS 541330?
In the latest 12 months, Raytheon Company ($202.3M), The MITRE Corporation ($188.7M), Noblis, Inc. ($141.0M) received the most DOT obligations for engineering services.
How concentrated is this market?
The eight largest primes held 52.2% of positive obligations, and Raytheon Company alone held 10.9%. 26 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 541330 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 0005 (Noblis, Inc., $175.5M obligated), ending Feb 9, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 541330 across all agencies
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$751.6MDOE · NAICS 541330
$706.0MNASA · NAICS 541330
$675.7MCommerce · NAICS 541330
$317.2MHHS · NAICS 541330
$286.4MState Department · NAICS 541330
$206.2MFigures 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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