Department of Transportation Contracts
Agency code DOT ยท Contracts awarded by this agency
Department of Transportation contracts totaled $31.7B across 33,599 awards from FY2024 to FY2026. Obligations were up 56.5% in FY2026 vs FY2025. Harris Corporation accounted for $2.5B (8% of the total), and the District of Columbia accounted for $9.6B (30% of the total) by place of performance.
Key figures
In FY2026, contract obligations were $14,118,765,836 across 14,732 awards with activity that year, a change of +56.5% from $9,022,534,685 in FY2025. From FY2024 to FY2026, obligations totaled $31,706,479,933 across 33,599 awards.
- Obligated in FY2026
- $14.1B
- Awards in FY2026
- 14,732
- Change vs FY2025
- +56.5%
- Total, FY2024 to FY2026
- $31.7B
Note: FY2026 ended on Sep 30, 2026. The Department of Defense publishes contract data with a 90-day delay, so FY2026 totals may still rise as late reports arrive.
DOT contract spending by year
DOT contract obligations per federal fiscal year (October to September). The table below lists the same numbers.
| Fiscal year | Obligated | Awards | Change |
|---|---|---|---|
| FY2026 | $14,118,765,836 | 14,732 | +56.5% |
| FY2025 | $9,022,534,685 | 17,734 | +5.3% |
| FY2024 | $8,565,179,412 | 19,980 | n/a |
About DOT contract spending
DOT contract obligations rose 65% from FY2024 ($8.6B) to FY2026 ($14.1B). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
Spending is spread widely: the top 3 contractors account for 14% of the total. The largest DOT contractor, Harris Corporation, received $2.5B (8%).
What DOT buys most is engineering services (15%), telecommunications resellers (8%) and deep sea freight transportation (7%).
The states with the most DOT contract work are District of Columbia, Virginia and Maryland.
Top DOT contractors
Companies ranked by contract dollars obligated by the Department of Transportation: the largest DOT contractors.
| # | Contractor | Obligated | Share |
|---|---|---|---|
| 1 | Harris Corporation | $2,549,064,840 | 8.0% |
| 2 | Tote Services, LLC | $1,054,311,890 | 3.3% |
| 3 | Raytheon Company | $951,986,584 | 3.0% |
| 4 | Crowley Government Services, Inc. | $939,763,315 | 3.0% |
| 5 | Frequentis USA, Inc | $821,355,763 | 2.6% |
| 6 | Rohde & Schwarz USA, Inc. | $723,857,585 | 2.3% |
| 7 | Ptsi Managed Services Inc | $638,303,270 | 2.0% |
| 8 | CDW Government LLC | $604,221,752 | 1.9% |
| 9 | Indra Air Traffic, Inc. | $547,850,357 | 1.7% |
| 10 | Leidos, Inc. | $532,202,988 | 1.7% |
What DOT buys (by industry)
Industry codes (NAICS) on DOT contracts, ranked by dollars.
| # | Industry | Obligated | Share |
|---|---|---|---|
| 1 | Engineering ServicesNAICS 541330 | $4,681,005,724 | 14.8% |
| 2 | Telecommunications ResellersNAICS 517310 | $2,549,064,840 | 8.0% |
| 3 | Deep Sea Freight TransportationNAICS 483111 | $2,236,940,879 | 7.1% |
| 4 | Highway, Street, and Bridge ConstructionNAICS 237310 | $2,162,239,366 | 6.8% |
| 5 | Telephone Apparatus ManufacturingNAICS 334210 | $1,528,516,227 | 4.8% |
| 6 | Computer Systems Design ServicesNAICS 541512 | $1,374,635,724 | 4.3% |
| 7 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument ManufacturingNAICS 334511 | $1,328,914,412 | 4.2% |
| 8 | Commercial and Institutional Building ConstructionNAICS 236220 | $1,281,466,327 | 4.0% |
| 9 | Other Computer Related ServicesNAICS 541519 | $1,259,939,071 | 4.0% |
| 10 | All Other Professional, Scientific, and Technical ServicesNAICS 541990 | $1,229,510,600 | 3.9% |
Where DOT contract work is performed
States ranked by contract dollars, using the place of performance on each award.
| # | State | Obligated | Share |
|---|---|---|---|
| 1 | District of Columbia | $9,616,062,170 | 30.3% |
| 2 | Virginia | $4,329,361,619 | 13.7% |
| 3 | Maryland | $2,988,315,535 | 9.4% |
| 4 | Florida | $2,095,733,582 | 6.6% |
| 5 | California | $1,821,590,022 | 5.7% |
| 6 | Oklahoma | $1,616,056,332 | 5.1% |
| 7 | Massachusetts | $1,249,940,626 | 3.9% |
| 8 | Kansas | $991,319,263 | 3.1% |
| 9 | New Jersey | $951,561,301 | 3.0% |
| 10 | Texas | $534,722,061 | 1.7% |
Recent DOT contract awards
The latest contracts awarded by the Department of Transportation, newest first. Each award ID links to its record on USAspending.gov.
| Start date | Recipient | Agency and description | Amount | Record |
|---|---|---|---|---|
| Sep 30, 2026 | Meetings Northwest, Inc. | Department of TransportationTHE UTC PROGRAM REPRESENTS ONE OF THE NATION'S LARGEST COORDINATED TRANSPORTATION RESEARCH ENTERPRISES. WHILE INDIVIDUAL CENTERS SUCCESSFULLY EXECUTE UNIQUE RESEARCH PORTFOLIOS, STRUCTURAL SILOS HAVE | $250,000 | 693JK426P600046 |
| Sep 30, 2026 | Idt Telecom, Inc. | Department of TransportationNEW SOLE SOURCE AWARD-THE PURPOSE OF THIS REQUISITION IS TO REQUEST A SOLE SOURCE AWARD TO NET2PHONE IN THE AMOUNT OF $102,000 FOR VOICE OVER INTERNET PROTOCOL SERVICES AS PER ATTACHED QUOTE AND SOW. | $102,000 | 693JK426P700010 |
| Sep 30, 2026 | Sdvo Solutions, LLC | Department of TransportationNEW AWARD: THIS IS A FIRM FIXED PRICE NASA SEWP CONFIRMING ORDER FOR GOOGLE MAPS CORE SERVICES. THIS ORDER IS FULLY FUNDED FOR THE BASE YEAR IN THE AMOUNT OF $22,660.00 PURSUANT TO SDVO SOLUTIONS QUOT | $22,660 | 693JK326F00032N |
| Sep 30, 2026 | Professional and Scientific Associates, Inc. | Department of TransportationTHE PURPOSE OF THIS PURCHASE ORDER IS TO SOLE SOURCE AWARD TO PROFESSIONAL AND SCIENTIFIC ASSOCIATES FOR CONTRACTING SERVICES, TO SUPPORT AN IN-PERSON WESTERN HEMISPHERE RAIL SECTOR DIALOGUE TO BE HEL | $71,981 | 693JK426P600053 |
| Sep 30, 2026 | Professional and Scientific Associates, Inc. | Department of TransportationTHE PURPOSE OF THIS PURCHASE ORDER IS TO SOLE SOURCE AWARD TO PROFESSIONAL AND SCIENTIFIC ASSOCIATES FOR CONTRACTING SERVICES TO SUPPORT AN IN-PERSON WORKSHOP ON ADVANCED CYBER HYGIENE AND INSTITUTION | $69,780 | 693JK426P600052 |
| Sep 30, 2026 | Vanasse Hangen Brustlin, Inc. | Department of TransportationTHE PURPOSE OF THIS AMENDMENT IS TO OBLIGATE INCREMENTAL FUNDING IN THE AMOUNT OF $160,935.31 FOR THE NEW BASE PLUS 4 YEAR OPTION PERIODS TASK ORDER FOR TRAFFIC RECORDS TECHNICAL SUPPORT SERVICES - GO | $160,935 | 693JJ926F00149N |
| Sep 30, 2026 | Vanasse Hangen Brustlin, Inc. | Department of TransportationTHE PURPOSE OF THIS AMENDMENT IS TO OBLIGATE FUNDING IN THE AMOUNT OF $612,090.00 FOR THE NEW BASE PLUS 4 YEAR OPTION PERIODS TASK ORDER FOR TRAFFIC RECORDS TECHNICAL SUPPORT SERVICES - ASSESSMENTS. | $612,090 | 693JJ926F00148N |
| Sep 30, 2026 | Toxcel LLC | Department of TransportationTITLE: IMPAIRED DRIVING TECHNICAL ASSISTANCE PARSID: 931 PURPOSE: THE PURPOSE OF THIS TASK ORDER IS TO PROVIDE TECHNICAL ASSISTANCE TO STATES AND LOCAL PROGRAMS ON THE IMPLEMENTATION AND OPERATION OF | $500,000 | 693JJ926F00142N |
| Sep 30, 2026 | Virginia Polytechnic Institute & State University | Department of TransportationTITLE: ON-ROAD DATA CAPTURE AND CHARACTERIZATION OF LKA SUPPRESSION ALGORITHMS [IIJA 24208] THE PURPOSE OF THIS REQUISITION IS TO: 1. AWARD A NEW TASK ORDER UNDER THE VESS IDIQ. 2. FULLY FUND AT THE T | $749,810 | 693JJ926F00130N |
| Sep 30, 2026 | Guidehouse Inc. | Department of TransportationTHE DEPARTMENT OF TRANSPORTATION HAS BEEN MANDATED TO ADDRESS THE OFFICE OF MANAGEMENT AND BUDGET CIRCULAR A-123 AND THE FEDERAL MANAGERS FINANCIAL INTEGRITY ACT. INCLUDED WORK FOCUSES ON THE DOCUMENT | $435,328 | 693JF726F00012N |
| Sep 30, 2026 | American Center for Mobility | Department of TransportationRESEARCH ON CHARACTERIZATION OF SURPRISE IN ADS OPERATIONS | $574,000 | 693JJ926F00121N |
| Sep 30, 2026 | Ricardo LLC | Department of TransportationTHE PURPOSE OF THIS AMENDMENT IS TO OBLIGATE FUNDING IN THE AMOUNT OF $644,230.00 FOR THE NEW TASK ORDER AGAINST RICARDO, INC'S IDIQ 693JJ922D000006 TO PERFORM AND TO ESTABLISH RELIABLE COST, WEIGHT, | $644,230 | 693JJ926F00138N |
| Sep 30, 2026 | Technical Communities, Inc. | Department of TransportationTO PURCHASE BASIC COUPLING/SHAFT ALIGNMENT TRAINING SYSTEM FOR AMA-900 ON BEHALF OF ROUNER, ROBERT FROM TECHNICAL LABORATORY SYSTEMS, INC. TRANSACTION IS COMPLIANT WITH EO 14222 'IMPLEMENTING THE DEPA | $0 | 6973GH26P02921 |
| Sep 30, 2026 | Michael Shannon Consulting LLC | Department of TransportationCFO FINANCIAL MANAGEMENT SUPPORT SERVICES | $2,296,751 | 693JF726F00066N |
| Sep 30, 2026 | Helicopter Express LLC | Department of TransportationS-64 INITIAL AND RECURRENT PILOT QUALIFICATION TRAINING | $542,000 | 6973GH26P02917 |
| Sep 30, 2026 | Absg Consulting Inc | Department of TransportationPROFESSIONAL SERVICES | $855,811 | 693JK326F00031N |
| Sep 30, 2026 | Transunion Risk and Alternative Data Solutions, Inc. | Department of TransportationNEW AWARD- THE PURPOSE OF THIS REQUISITION IS TO AWARD A SOLE-SOURCE CONTRACT WITH TWO OPTION YEARS, WITH TRANSUNION FOR ACCESS TO THEIR TLOXP ONLINE SERVICE. | $0 | 693JK426P700009 |
| Sep 30, 2026 | Professional and Scientific Associates, Inc. | Department of TransportationTHE PURPOSE OF THIS PURCHASE ORDER IS TO SOLE SOURCE AWARD TO PROFESSIONAL AND SCIENTIFIC ASSOCIATES INC. FOR CONTRACTUAL SERVICES TO SUPPORT AN IN-PERSON WORKSHOP ON ADVANCED CYBER HYGIENE AND INSTIT | $74,738 | 693JK426P600049 |
| Sep 30, 2026 | Professional and Scientific Associates, Inc. | Department of TransportationTHE PURPOSE OF THIS PURCHASE ORDER TO PROFESSIONAL AND SCIENTIFIC ASSOCIATES IS FOR CONTRACTUAL SERVICES TO SUPPORT AN IN-PERSON STUDY TOUR FOR TRANSPORTATION OFFICIALS FROM GULF COOPERATION COUNCIL C | $144,586 | 693JK426P600048 |
| Sep 30, 2026 | Professional and Scientific Associates, Inc. | Department of TransportationTHIS PURCHASE ORDER IS TO PROVIDE DESIGN AND COMMUNICATIONS SUPPORT FOR CURRENT AND FORTHCOMING TRANSPORTATION CAMPAIGN MATERIALS. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE ATTACHED SOW AND P | $102,766 | 693JK426P600044 |
| Sep 30, 2026 | Tyr Tactical LLC | Department of TransportationNEW BPA CALL- THE PURPOSE OF THIS REQUISITION IS TO REQUEST A NEW CALL ORDER AGAINST TYR TACTICAL, LLC BPA 693JK423A700001 FOR ENTIRE BODY ARMOR PACKAGE WITH BALLISTIC PLATES FOR NEW AGENTS AND REPLAC | $0 | 693JK426F97008N |
| Sep 30, 2026 | Xentity Corporation | Department of TransportationTHIS IS A LABOR HOURS (LH) TASK ORDER ISSUED AGAINST IDIQ CONTRACT 693JK422D800008, FOR THE CONTRACTOR TO PROVIDE ALL MATERIALS AND PERSONNEL NECESSARY TO PROVIDE THE BUREAU OF TRANSPORTATION STATISTI | $471,200 | 693JK426F96056N |
| Sep 30, 2026 | The Canton Group Limited Liability Company | Department of TransportationNEW TASK ORDER FOR OIG PUBLIC WEBSITE TECHNICAL SUPPORT SERVICES | $219,815 | 693JK426F75038N |
| Sep 30, 2026 | Thoughtful Outcomes, LLC | Department of TransportationCONTRACT FOR SPECIALIZED EXPERT LEGAL COUNSEL TO ASSIST AGENCY MANAGEMENT WITH EMPLOYMENT LAW MATTERS, PERSONNEL ACTIONS, AND ANTICIPATED FORMAL LITIGATION. | $80,000 | 693JK426C700001 |
| Sep 30, 2026 | Johnsons Immediate Solutions LLC | Department of TransportationM63 ACQUISITION SUPPORT SERVICES | $0 | 693JK426C500016 |
How to win DOT contracts
DOT contracting opportunities are posted on SAM.gov, the free government site for federal bids. To bid, your business needs a free SAM.gov registration. Many DOT small business contracts are set aside for small firms, and the agencies' largest contractors often subcontract work to them.
Explore DOT contracts by industry, state and contractor
- Government engineering contracts
- Government telecommunications resellers contracts
- Government deep sea freight transportation contracts
- Government road construction contracts
- Government telephone apparatus manufacturing contracts
- Government contracts in District of Columbia
- Government contracts in Virginia
- Government contracts in Maryland
- Government contracts in Florida
- Government contracts in California
- Harris government contracts
- Tote Services government contracts
- Raytheon government contracts
- Crowley Government Services government contracts
- Frequentis USA government contracts
Frequently asked questions
- How much does DOT spend on contracts?
- The Department of Transportation obligated $31.7B on contracts from FY2024 to FY2026, across 33,599 contract awards, including $14.1B in FY2026. Figures are federal contract obligations reported on USAspending.gov.
- Who are the largest DOT contractors?
- By contract dollars from FY2024 to FY2026, the largest were Harris Corporation ($2.5B), Tote Services, LLC ($1.1B) and Raytheon Company ($952M).
- What does DOT buy the most?
- By contract dollars, DOT spends the most on engineering services (NAICS 541330, $4.7B), telecommunications resellers (NAICS 517310, $2.5B) and deep sea freight transportation (NAICS 483111, $2.2B).
- Where is DOT contract work performed?
- The most DOT contract dollars went to work performed in District of Columbia ($9.6B), Virginia ($4.3B) and Maryland ($3B).
- Is DOT contract spending growing?
- DOT contract obligations rose 65% from FY2024 ($8.6B) to FY2026 ($14.1B). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
- Does DOT award contracts to small businesses?
- Yes. Like most federal agencies, DOT sets aside contracts for small businesses and has small business goals. Its Office of Small and Disadvantaged Business Utilization (OSDBU) can explain how it buys, and its open opportunities are posted on SAM.gov.