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Federal Contract Spending in Fairfax County, VA (FY2025)

Federal agencies obligated $41.5 billion on contracts performed in Fairfax County, VA in fiscal year 2025, about $35,515 per resident. The largest buyer was the Department of Defense ($19.6 billion); the largest contractor was Booz Allen Hamilton INC ($2.0 billion).

Who buys

AgencyFY2025 obligationsShare
Department of Defense$19.6 billion47%
Department of Homeland Security$3.9 billion9%
Department of Health and Human Services$3.5 billion8%
General Services Administration$2.8 billion7%
Department of Justice$2.2 billion5%
Department of Veterans Affairs$2.1 billion5%
Department of State$1.1 billion3%
National Aeronautics and Space Administration$1.0 billion2%
Department of the Treasury$983.2 million2%
Department of the Interior$743.0 million2%

Who wins

ContractorFY2025 obligations
Booz Allen Hamilton INC$2.0 billion
Leidos, Inc.$1.9 billion
General Dynamics Information Technology, Inc.$1.7 billion
Science Applications International Corporation$1.6 billion
Maximus Federal Services, Inc.$1.3 billion
Amentum Services, Inc.$1.2 billion
The MITRE Corporation$1.2 billion
Carahsoft Technology Corp$970.7 million
Peraton Inc.$854.6 million
Caci, Inc. - Federal$772.4 million

What it buys

Industry (NAICS)FY2025 obligations
Computer Systems Design Services (541512)$8.1 billion
Other Computer Related Services (541519)$6.3 billion
Engineering Services (541330)$4.3 billion
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (541715)$3.7 billion
Custom Computer Programming Services (541511)$2.6 billion
Administrative Management and General Management Consulting Services (541611)$1.8 billion
Software Publishers (511210)$1.2 billion
Telemarketing Bureaus and Other Contact Centers (561422)$1.0 billion
All Other Professional, Scientific, and Technical Services (541990)$860.7 million
Other Support Activities for Air Transportation (488190)$837.2 million

Largest contracts with money obligated in the year

Value is the contract's total to date, not one year.

ContractContractorAgencyStartedTotal value
75FCMC22C0038Maximus Federal Services, Inc.Department of Health and Human Services2022-08-31$3.3 billion
19AQMM18C0185General Dynamics Information Technology, Inc.Department of State2019-06-19$1.8 billion
DTFAWA10C00080The MITRE CorporationDepartment of Transportation2010-07-07$1.7 billion
80KSC019C0013Bechtel National, Inc.National Aeronautics and Space Administration2019-07-01$1.5 billion
80GSFC19C0063Peraton Inc.National Aeronautics and Space Administration2019-10-01$1.5 billion
47QFCA22F0047Booz Allen Hamilton INCGeneral Services Administration2022-09-06$1.3 billion
HHSM500T0003Peraton Enterprise Solutions LLCDepartment of Health and Human Services2013-07-01$1.2 billion
47QFCA21C0001Magellan Federal, Inc.General Services Administration2021-02-01$1.2 billion
47QFCA21F0001Science Applications International CorporationGeneral Services Administration2020-11-30$1.2 billion
W58RGZ17C0014Northrop Grumman Systems CorporationDepartment of Defense2017-09-01$1.2 billion

By fiscal year

Fiscal yearObligations
2021$30.9 billion
2022$34.4 billion
2023$38.4 billion
2024$41.4 billion
2025$41.5 billion
2026 (partial: defense data lags 90 days)$39.8 billion

More

County FIPS 51059. Population 1,167,873.

Open federal bids in this state: Virginia federal bids.

Other counties: Virginia Beach city · Loudoun County · Prince William County · Chesterfield County

Source and coverage

Source: USAspending.gov, the U.S. Treasury's public record of federal spending. Figures are contract obligations (award types A, B, C and D) for federal fiscal year 2025, October 2024 to September 2025, by the place where the work is performed, not where the contractor is based. Grants and loans are not included. Retrieved 2026-11-01.

Obligations can be negative when earlier amounts are withdrawn. Some classified work is not reported. Contractors that may be individuals are left out of the name lists. Pushbuild is not affiliated with any government agency. Get the same data by API: US Federal Contracts API.