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Federal Agencytransportation

Department of Transportation

DOT

The U.S. Department of Transportation ensures fast, safe, efficient, and convenient transportation. It oversees the FAA, FHWA, FTA, and other modal administrations, collectively spending $15B+ annually on infrastructure, IT, and professional services.

$15B+
Annual Contract Spend
$100B+
Annual Budget
35%
Small Business %
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Set-Aside & Small Business History

Department of Transportation historically awards the following percentages of eligible contract dollars to small and disadvantaged businesses. These figures reflect agency performance against statutory goals and represent real contract opportunities for certified firms.

35%
Small Business
5%
SDVOSB
5%
WOSB
3%
HUBZone
7%
8(a)

What DOT Buys

Department of Transportation is an active buyer in the following categories. These represent the highest-volume procurement areas based on historical award data.

Highway construction
Engineering services
IT systems
Research and analysis
Transit systems
Safety programs

How to Get on DOT's Radar

The contractors who win DOT contracts consistently aren't just responding to solicitations — they're known quantities before the solicitation is published. Here's how to build that position.

1

Target specific DOT modal administrations (FHWA, FTA, FAA) by capability

2

Register with the DOT Office of Small and Disadvantaged Business Utilization

3

Attend DOT's annual Transportation Industry Day

4

Monitor SAM.gov for modal administration solicitations in your NAICS codes

Contact state DOTs for federally-funded state transportation contracts

Key Programs & Contract Vehicles

01Federal Highway Administration (FHWA)
02Federal Transit Administration (FTA)
03Infrastructure Investment and Jobs Act programs
04National Highway Traffic Safety Administration
05Federal Railroad Administration

Top NAICS Codes at DOT

These NAICS codes represent the highest-volume procurement categories at Department of Transportation. Register these codes in your SAM.gov profile to appear in agency vendor searches.

237310Highway, Street, and Bridge Construction
$5.2M avg →
237110Water and Sewer Line Construction
$3.1M avg →
541512Computer Systems Design Services
$1.8M avg →
541330Engineering Services
$2.2M avg →
541611Management Consulting Services
$1.4M avg →
541720Social Sciences and Humanities R&D
$1.2M avg →

Frequently Asked Questions

How do I register as a vendor with DOT?

SAM.gov + DOT OSDBU outreach. Ensure your SAM.gov registration is active and includes the NAICS codes that match Department of Transportation's primary procurement categories before reaching out directly.

What certifications help with DOT contracts?

Department of Transportation awards 35% of eligible contract dollars to small businesses. SDVOSB firms receive approximately 5% of awards. 8(a)-certified firms receive approximately 7%. All applicable SBA certifications are recognized.

What does DOT spend on contracts annually?

Department of Transportation spends approximately $15B+ annually on contracts. The total agency budget is $100B+, with procurement representing the contract-deliverable portion of that spending.

How do I find active DOT solicitations?

Monitor SAM.gov and filter by Department of Transportation as the contracting agency. Set up email notifications for your NAICS codes from this agency. BidEdgeHQ monitors SAM.gov and state portals in real time, scoring every DOT solicitation against your ICP profile and delivering WhatsApp alerts for high-match opportunities.