DOT contracts: Department of Transportation

The Department of Transportation posts its contract opportunities on SAM.gov. Below are the ones open right now, what DOT buys, how much of its money goes to small businesses, and who wins its work.

Open contracts now
80
Contract spending, FY2026
$14.1 billion
Share to small businesses
33%

Open DOT contracts, due soonest

See all 80 open DOT contracts →

DOT agencies with open contracts

What DOT is buying right now

NAICS codes on DOT's open notices. Each notice's code sets the size standard for who counts as small.

CodeIndustryOpen now
237310Highway, Street, and Bridge Construction28
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)9
541330Engineering Services5
561730Landscaping Services3
236220Commercial and Institutional Building Construction3
611519Other Technical and Trade Schools3
561720Janitorial Services2
611512Flight Training2
513210Software Publishers1
483111Deep Sea Freight Transportation1

DOT contract spending by year

Fiscal yearContract obligations
FY2024$8.6 billion
FY2025$9 billion
FY2026$14.1 billion
FY2027 (so far)$0

The federal fiscal year starts October 1, so FY2027 began October 1, 2026.

What DOT spends the most on

Industries with the most DOT contract dollars over the last three fiscal years:

NAICSIndustryObligated
541330Engineering Services$4.7 billion
517310Telecommunications Resellers$2.5 billion
483111Deep Sea Freight Transportation$2.2 billion
237310Highway, Street, and Bridge Construction$2.2 billion
334210Telephone Apparatus Manufacturing$1.5 billion
541512Computer Systems Design Services$1.4 billion
334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing$1.3 billion
236220Commercial and Institutional Building Construction$1.3 billion

Small business contracts at DOT

About 33% of DOT's contract dollars over the last three fiscal years went to small businesses. The government-wide goal is 23%.

Dollars awarded under each kind of set-aside in the same period:

  • Small business: $2.2 billion
  • 8(a): $647.2 million
  • Service-disabled veteran-owned: $297.9 million
  • HUBZone: $69.4 million
  • Women-owned: $58.2 million

Set-asides on DOT's open notices right now:

  • No set-aside (full and open): 60
  • Total small business set-aside: 17
  • 8(a) set-aside: 1
  • Service-disabled veteran-owned set-aside: 1
  • Women-owned set-aside: 1

See which set-asides you may qualify for with the free SBA certification screener.

Who wins DOT contracts

Companies with the most DOT contract dollars over the last three fiscal years, per USAspending.gov:

CompanyObligated
Harris Corporation$2.5 billion
Tote Services, LLC$1.1 billion
Raytheon Company$952 million
Crowley Government Services, Inc.$939.8 million
Frequentis USA, Inc$821.4 million
Rohde & Schwarz USA, Inc.$723.9 million
Ptsi Managed Services Inc$638.3 million
CDW Government LLC$604.2 million
Indra Air Traffic, Inc.$547.9 million
Leidos, Inc.$532.2 million

Large primes subcontract part of their work to small businesses. Look up any small business's registration with the free CAGE code and UEI lookup.

Where DOT's open work is

By place of performance, the most open DOT contracts are in District of Columbia, Washington and Idaho.

  • District of Columbia: 18 open
  • Washington: 6 open
  • Idaho: 4 open
  • Wyoming: 4 open
  • Virginia: 3 open
  • Colorado: 3 open
  • California: 3 open
  • Oklahoma: 3 open

Frequently asked questions

How do I find DOT contract opportunities?

The Department of Transportation posts its contract opportunities on SAM.gov, the free official site. 80 are open right now. You can search them here by NAICS code, set-aside and state, and set up a free email alert for new ones.

How much does DOT spend on contracts?

The Department of Transportation obligated about $14.1 billion on contracts in fiscal year 2026, according to USAspending.gov. About 33% of its contract dollars over the last three fiscal years went to small businesses.

Who are DOT's biggest contractors?

Over the last three fiscal years, the companies with the most DOT contract dollars were Harris Corporation, Tote Services, LLC and Raytheon Company, per USAspending.gov. Smaller firms often work as their subcontractors.

Who do I talk to about small business contracts at DOT?

Federal law requires every agency with buying power to have an Office of Small and Disadvantaged Business Utilization (OSDBU), sometimes called the Office of Small Business Programs. Its staff help small businesses understand what the agency buys and how. Free counseling is also available from APEX Accelerators.

Keep going

FedReady is an independent company, not affiliated with the Department of Transportation, SAM.gov or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov and cover contracts only.