Company lists · Data refreshed November 2026

Top 25 Government IT services based in the United States

Name: Government IT services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 8,571 companies tracked

RevenueBase identified 8,571 company matches for government IT services associated with the United States as of November 2026 and tracks 637,677 professional contacts across them, including 163,956 with verified work emails. Washington is the largest hub.

This list covers company matches for government IT services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

8,571Companies

637,677Contacts tracked

163,956Verified emails

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The 25 largest government IT services based in the United States

Ranked by team size

Top 25 of 8,571 company matches for government IT services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Nov 5, 2026	10001+	86,844 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	SAIC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	34,914 contacts →
	Exact match “SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Leidos	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	29,226 contacts →
	Exact match “Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	25,406 contacts →
	Exact match “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Caci International INC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	20,334 contacts →
	Exact match “CACI International Inc (NYSE: CACI) is a technology-first national security company that expands the limits of national security through innovation, discipline, and operational…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,603 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Peraton	Exact match	Reston, MD, United StatesHQ recorded Nov 5, 2026	10001+	11,210 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	10,193 contacts →
	Exact match “About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Accenture Federal Services	Exact match	Arlington, MO, United StatesHQ recorded Nov 5, 2026	10001+	9,827 contacts →
	Exact match “We power reinvention across the US federal government to help agencies deliver greater outcomes using proven commercial solutions, mission expertise, and new technologies – cloud…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Tyler Technologies	Exact match	Plano, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	7,246 contacts →
	Exact match “Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	4,665 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,274 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,432 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	LMI	Exact match	Tysons, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,724 contacts →
	Exact match “LMI is a new breed of digital solutions provider, disrupting the traditional govcon model with commercial-grade technology that is ready day-one.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Astreya	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,524 contacts →
	Exact match “Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Govcio	Exact match	Fairfax, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,274 contacts →
	Exact match “GovCIO was founded with a single purpose- to transform government IT.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	American Systems	Exact match	Mclean, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,085 contacts →
	Exact match “Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Chenega Corporation	Exact match	Anchorage, AK, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,989 contacts →
	Exact match “As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	DCS Corp	Exact match	Alexandria, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,955 contacts →
	Exact match “DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	NEW ERA Technology	Exact match	West Chester, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,936 contacts →
	Exact match “New Era Technology is the AI, application, and infrastructure partner that simplifies, secures, and scales technology across modern work environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	SOSI	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,922 contacts →
	Exact match “Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private, founder-led defense and government solutions firm specializing in advanced technology systems and mission…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Eplus INC	Exact match	Herndon, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,901 contacts →
	Exact match “ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Perspecta	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	10001+	1,814 contacts →
	Exact match “At Perspecta we question, we seek and we solve.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “government IT services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,571 government IT services based in the United States

See the full list, filter by size, metro and specialty, and access 163,956 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government IT services based in the United States at a glance

As of Nov 5, 2026

25.7%Verified-email coverage

74.4Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · Washington

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

3,166

11-50

3,064

51-200

1,624

201-500

427

501-1,000

132

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 8,571 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “government IT services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 163,956 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Government IT services by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “government IT services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government IT services are there based in the United States?

RevenueBase identified 8,571 company matches for government IT services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government IT services?

Washington leads with 257 company records, followed by Reston (181) and New York (168).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 163,956 professional contacts with verified work emails tracked across these 8,571 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.