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Contact Us

Office of Small and Disadvantaged Business Utilization

U.S. Department of Transportation

1200 New Jersey Ave. SE
W56-485
Washington, DC 20590
United States

Email: dot-osdbu@dot.gov
Phone: 202-366-1930
Alt Phone: 800-532-1169
Fax: 202-366-7228
Business Hours:
8:30am-5:00pm ET, M-F

If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services.

News and Events

Upcoming DOT Events

National Bonding Education Program (BEP), Philadelphia, PA (October 21-22, 2026)
Veteran-Owned Small Business Summit - Washington, DC (Thursday, November 19, 2026) -- REGISTER NOW!

Past Events

National Small Business Matchmaking Series - Milwaukee, WI (Thursday | July 23, 2026)
National Small Business Matchmaking Series - Raleigh, North Carolina (Thursday | June 4, 2026)
National Small Business Matchmaking Series - Phoenix, Arizona (March 11, 2026)
U.S. DOT OSDBU Spotlight -- Webinar (December 17, 2025)
"Solicitation for Highway & Bridge Construction in California" Webinar (July 18, 2025)

Last updated: Thursday, October 8, 2026