OST contracts: Immediate Office of the Secretary of Transportation

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

Open contracts now
1
Contract spending, FY2026
$291.7 million
Share to small businesses
54%

Open OST contracts, due soonest

  • Refurbished and Used Boxcars

    Department of Transportation · Office of the Secretary · Cambridge, MA

    ✦ The U.S. DOT's Volpe Center (Cambridge, MA) is doing market research, not buying yet, on refurbished and used 50-foot railway boxcars.

    Aircraft, ship & vehicle parts

    Due in 12 daysOct 21, 2026

What OST is buying right now

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

CodeIndustryOpen now
336510Railroad Rolling Stock Manufacturing1

OST contract spending by year

Fiscal yearContract obligations
FY2024$234.7 million
FY2025$249.7 million
FY2026$291.7 million
FY2027 (so far)$-20,027

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

What OST spends the most on

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

NAICSIndustryObligated
541330Engineering Services$156.5 million
485999All Other Transit and Ground Passenger Transportation$81 million
541611Administrative Management and General Management Consulting Services$77.4 million
561612Security Guards and Patrol Services$63.6 million
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$55.3 million
236220Commercial and Institutional Building Construction$39.5 million
541511Custom Computer Programming Services$32 million
336510Railroad Rolling Stock Manufacturing$29.7 million

Small business contracts at OST

About 54% of OST'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:

  • 8(a): $111.4 million
  • Small business: $99 million
  • Service-disabled veteran-owned: $2 million
  • HUBZone: $1.1 million
  • Women-owned: $454,735

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

  • No set-aside (full and open): 1

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

Who wins OST contracts

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

CompanyObligated
Washington Metropolitan Area Transit Authority$81.2 million
KBR Wyle Services, LLC$70.6 million
Bering Straits Professional Services, LLC$41.1 million
Emcor Government Services, Inc$38.3 million
Forensic Drug & Alcohol Testing LLC$23.8 million
Science Applications International Corporation$21.8 million
Halvik LLC$19.5 million
Shields Point LLC$18.7 million
Macrosys, LLC$17.4 million
The Mitre Corporation$15.8 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 OST's open work is

By place of performance, the most open OST contracts are in Massachusetts.

  • Massachusetts: 1 open

Frequently asked questions

How do I find OST contract opportunities?

The Immediate Office of the Secretary of Transportation posts its contract opportunities on SAM.gov, the free official site. 1 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 OST spend on contracts?

The Immediate Office of the Secretary of Transportation obligated about $291.7 million on contracts in fiscal year 2026, according to USAspending.gov. About 54% of its contract dollars over the last three fiscal years went to small businesses.

Who are OST's biggest contractors?

Over the last three fiscal years, the companies with the most OST contract dollars were Washington Metropolitan Area Transit Authority, KBR Wyle Services, LLC and Bering Straits Professional Services, LLC, per USAspending.gov. Smaller firms often work as their subcontractors.

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

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 Immediate Office of the Secretary 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.