Top Federal Contractors in District of Columbia (FY2025)
Federal agencies obligated $31.4 billion on contracts performed in District of Columbia in fiscal year 2025. The largest contractor listed was Booz Allen Hamilton INC ($1.1 billion).
Top contractors in District of Columbia
| Contractor | FY2025 obligations | Share |
|---|---|---|
| Booz Allen Hamilton INC | $1.1 billion | 3.4% |
| Chemonics International, Inc. | $1.0 billion | 3.3% |
| Deloitte Consulting LLP | $998.3 million | 3.2% |
| Accenture Federal Services LLC | $773.6 million | 2.5% |
| Harris Corporation | $690.1 million | 2.2% |
| Science Applications International Corporation | $648.7 million | 2.1% |
| Dell Marketing L.p. | $619.6 million | 2.0% |
| AT&T Enterprises, LLC | $444.4 million | 1.4% |
| International Business Machines Corporation | $392.8 million | 1.3% |
| Cgi Federal Inc. | $329.9 million | 1.1% |
| General Dynamics Information Technology, Inc. | $317.4 million | 1.0% |
| Ernst & Young LLP | $315.2 million | 1.0% |
| Serco INC | $311.7 million | 1.0% |
| Deloitte & Touche LLP | $290.5 million | 0.9% |
| Acacia Center for Justice | $261.2 million | 0.8% |
| Lancer Information Solutions, LLC | $255.3 million | 0.8% |
| Peckham Vocational Industries, Inc. | $244.7 million | 0.8% |
| Institute for Defense Analyses | $242.1 million | 0.8% |
| Leidos, Inc. | $241.3 million | 0.8% |
| Carahsoft Technology Corp | $230.2 million | 0.7% |
| Maximus Education LLC | $223.2 million | 0.7% |
| BAE Systems Technology Solutions & Services Inc. | $219.2 million | 0.7% |
| Missouri Higher Education Loan Authority | $215.8 million | 0.7% |
| Nelnet Servicing LLC | $213.2 million | 0.7% |
| Hpi Federal LLC | $181.3 million | 0.6% |
Who buys
| Agency | FY2025 obligations | Share |
|---|---|---|
| Department of Defense | $7.8 billion | 24.9% |
| General Services Administration | $3.4 billion | 10.7% |
| Department of Homeland Security | $3.1 billion | 9.7% |
| Department of Transportation | $2.9 billion | 9.2% |
| Department of State | $2.3 billion | 7.4% |
| Department of the Treasury | $1.5 billion | 4.9% |
| Department of Energy | $1.5 billion | 4.8% |
| Agency for International Development | $1.4 billion | 4.4% |
| Department of Veterans Affairs | $1.1 billion | 3.4% |
| Department of Education | $1.1 billion | 3.4% |
What is bought
| Industry (NAICS) | FY2025 obligations |
|---|---|
| Engineering Services (541330) | $4.4 billion |
| Computer Systems Design Services (541512) | $4.3 billion |
| Other Computer Related Services (541519) | $3.7 billion |
| Administrative Management and General Management Consulting Services (541611) | $3.2 billion |
| All Other Professional, Scientific, and Technical Services (541990) | $1.5 billion |
| Custom Computer Programming Services (541511) | $1.1 billion |
| Software Publishers (511210) | $1.0 billion |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (541715) | $899.6 million |
| Other Activities Related To Credit Intermediation (522390) | $795.6 million |
| Telecommunications Resellers (517310) | $690.1 million |
| Computer Facilities Management Services (541513) | $674.2 million |
| Facilities Support Services (561210) | $598.7 million |
| Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210) | $576.7 million |
| Wired Telecommunications Carriers (517110) | $511.6 million |
| Commercial and Institutional Building Construction (236220) | $489.7 million |
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Source and coverage
Source: USAspending.gov, the U.S. Treasury's public record of federal spending, retrieved 2026-11-01. Figures are contract obligations (award types A, B, C and D) for federal fiscal year 2025, October 2024 to September 2025. Amounts are for work performed in the state, wherever the contractor is based. This is federal money only. State, city and town contracts are not included. Obligations can be negative when earlier amounts are withdrawn, some classified work is not reported, and contractors that may be individuals are left out of the name lists, so a list is not a complete ranking of everyone paid. Pushbuild is not affiliated with any agency or company listed.