Company lists · Data refreshed November 2026

Top 25 Government software contractors based in the United States

RevenueBase identified 724 company matches for government software contractors associated with the United States as of November 2026 and tracks 30,431 professional contacts across them, including 7,972 with verified work emails. Washington is the largest hub.

This list covers company matches for government software contractors 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
724Companies
30,431Contacts tracked
7,972Verified emails
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The 25 largest government software contractors based in the United States

Ranked by team size
Top 25 of 724 company matches for government software contractors 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCentennial, MT, United StatesHQ recorded Nov 5, 20261,001-5,0002,501 contacts →

Exact match

“For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMclean, VA, United StatesHQ recorded Nov 5, 20261,001-5,0002,085 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
3Exact matchFalls Church, VA, United StatesHQ recorded Nov 5, 202610001+1,551 contacts →

Exact match

“General Dynamics Information Technology and CSRA have united to create the premier provider of high-tech IT solutions to the government IT market.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCape Canaveral, MD, United StatesHQ recorded Nov 5, 20261,001-5,0001,547 contacts →

Exact match

“At Intrepid Global Solutions, we lead the way in mission-critical support where others can’t.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBroomfield, CO, United StatesHQ recorded Nov 5, 2026n/a1,015 contacts →

Exact match

“Gov-Con provides financial and accounting solutions for government contractors such as SBIR Award Winners, DoD contractors, Prime Contractors and Subcontractors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchTrevose, VA, United StatesHQ recorded Nov 5, 2026201-500944 contacts →

Exact match

“Data Systems Analysts (DSA) is a mission technology company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchNashville, TN, United StatesHQ recorded Nov 5, 20261,001-5,000868 contacts →

Exact match

“i3 Verticals seamlessly delivers integrated software and services to customers in Public Sector markets.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchFalls Church, VA, United StatesHQ recorded Nov 5, 20261,001-5,000851 contacts →

Exact match

“At Cognosante, we help create a safe, healthy, more equitable nation for all.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBuffalo Grove, IL, United StatesHQ recorded Nov 5, 2026501-1,000796 contacts →

Exact match

“Kay and Associates, Inc.(KAI) has kept the world's most demanding fleets mission-ready since 1960.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchVirginia Beach, VA, United StatesHQ recorded Nov 5, 2026201-500692 contacts →

Exact match

“ADS provides innovative and cost-effective solutions for our customers’ equipment, procurement, and logistics challenges.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchFort Walton Beach, UT, United StatesHQ recorded Nov 5, 20261,001-5,000627 contacts →

Exact match

“HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchChantilly, VA, United StatesHQ recorded Nov 5, 20261,001-5,000505 contacts →

Exact match

“As of June 1, 2018, we are Perspecta.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchArlington, VA, United StatesHQ recorded Nov 5, 20261,001-5,000395 contacts →

Exact match

“FCi Federal is now part of PAE.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 202651-200374 contacts →

Exact match

“From disaster response and automated healthcare kiosks to occupational health services and federal IT consulting, we operate at the intersection of mission-critical need and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMclean, VA, United StatesHQ recorded Nov 5, 2026501-1,000353 contacts →

Exact match

“Ad Hoc is a digital services company that helps the federal government better serve people.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchFairborn, OH, United StatesHQ recorded Nov 5, 2026201-500330 contacts →

Exact match

“Peerless Technologies Corporation is a nationally recognized, award-winning, and reputable business serving federal government clients at more than 25 locations nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchReston, VA, United StatesHQ recorded Nov 5, 2026201-500301 contacts →

Exact match

“Delivering transformative technology solutions for the public sector and across the Department of Defense, TIAG drives modernization through synergistic processes and unique…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBethesda, MD, United StatesHQ recorded Nov 5, 2026501-1,000300 contacts →

Exact match

“JOBSEEKERS: Our Recruiters only ever reach out from BusinessIntegra.com or PeopleIntegra.com email addresses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026201-500295 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLake Mary, NC, United StatesHQ recorded Nov 5, 2026501-1,000291 contacts →

Exact match

“SunGard Public Sector is now Superion.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchOrlando, SD, United StatesHQ recorded Nov 5, 2026201-500261 contacts →

Exact match

“For nearly 40 years, Conti Federal Services has delivered on-time and on-budget performance for some of the US Federal Government’s most challenging projects by operating…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 2026201-500210 contacts →

Exact match

“At Fearless, we have a unique opportunity to change the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMiddletown, RI, United StatesHQ recorded Nov 5, 2026201-500195 contacts →

Exact match

“PURVIS Systems is a technology solutions partner that develops, implements, and maintains mission-critical solutions for federal and local governments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLakeland, FL, United StatesHQ recorded Nov 5, 2026201-500193 contacts →

Exact match

“Founded in 1997, Kyra Solutions has emerged as one of the leading information technology service providers to the State of Florida.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Nov 5, 2026201-500181 contacts →

Exact match

“Integrated Data Services (IDS) is a leading provider of custom software products and Government financial management services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 724 government software contractors based in the United States

See the full list, filter by size, metro and specialty, and access 7,972 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government software contractors based in the United States at a glance

As of Nov 5, 2026
26.2%Verified-email coverage
42.0Average contacts per company
11-50Median size (employees)
3.5%Largest-city concentration · Washington
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
302
11-50
228
51-200
128
201-500
40
501-1,000
11
1,001-5,000
12
5,001-10,000
1
10001+
2

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 724 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 software contractors” 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 7,972 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 software contractors 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 software contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government software contractors are there based in the United States?

RevenueBase identified 724 company matches for government software contractors 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?

Fast Enterprises, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government software contractors?

Washington leads with 25 company records, followed by Chantilly (19) and Herndon (16).

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 7,972 professional contacts with verified work emails tracked across these 724 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.