Top Federal Agencies by Contract Spending

Federal contract spending exceeds $700 billion annually, but that spending is not distributed evenly across agencies. Understanding which agencies spend the most, and in which industries, is critical for government contractors deciding where to focus their business development efforts.

The Big Spenders

Based on USAspending.gov data, the federal agencies with the largest contract portfolios are:

Department of Defense (DoD)

The DoD consistently accounts for approximately 60-65% of all federal contract spending. This includes the Army, Navy, Air Force, Marine Corps, and dozens of defense agencies like DARPA, DISA, and DLA. DoD contracts span everything from weapons systems and IT to facilities maintenance and professional services.

Key NAICS codes: 541511 (Computer Programming), 541330 (Engineering), 336411 (Aircraft Manufacturing), 334511 (Search and Navigation Instruments), 561210 (Facilities Support)

Browse Department of Defense contracts

Department of Health and Human Services (HHS)

HHS is the second-largest contracting agency, driven heavily by IT modernization, biomedical research, and healthcare services. The Centers for Medicare and Medicaid Services (CMS) and the National Institutes of Health (NIH) are major contracting offices within HHS.

Browse HHS contracts

Department of Veterans Affairs (VA)

The VA spends heavily on healthcare delivery, IT systems, construction, and facilities management. The VA is also notable for its strong commitment to veteran-owned small business set-asides.

Browse VA contracts

Department of Energy (DOE)

DOE contracts focus on national laboratory management, environmental cleanup, and energy research. Many DOE contracts are massive, multi-year management and operations (M&O) contracts worth billions.

Browse DOE contracts

Department of Homeland Security (DHS)

DHS contracts cover border security, cybersecurity, emergency management (FEMA), transportation security (TSA), and immigration services. IT and professional services are major spending categories.

Browse DHS contracts

General Services Administration (GSA)

While GSA's own direct spending is significant, its bigger role is as a contracting vehicle provider. GSA Schedule contracts (now called Multiple Award Schedules) allow other agencies to buy through pre-competed vehicles, streamlining procurement.

Browse GSA contracts

Civilian Agency Opportunities

Beyond the top spenders, several civilian agencies offer significant contracting opportunities with less competition:

• Department of Transportation — Infrastructure, aviation systems, transit
• Department of Justice — IT, detention services, legal support
• Department of Agriculture — Food programs, forestry, rural development
• Department of the Interior — Land management, environmental services, IT
• Environmental Protection Agency — Environmental cleanup, monitoring, IT

How to Use This Data

For Market Entry

If you are new to government contracting, start with agencies that align with your existing capabilities. A cybersecurity firm might target DHS and DoD. A construction company might focus on the VA and Army Corps of Engineers.

For Account Growth

If you already have a federal customer, use award data to identify other agencies that buy similar services. Cross-agency expansion is often easier than breaking into an entirely new market.

For Competitive Positioning

Compare your wins against the broader market. If your agency customers are spending heavily in areas where you do not compete, that represents growth potential.

Explore Agency Data

GovContractData tracks contract awards from every federal agency. Search by agency, browse our agency directory, or access our API for programmatic analysis of federal spending data.