Company lists · Data refreshed November 2026

Top 25 Defense IT integrators based in the United States

RevenueBase identified 2,577 company matches for defense IT integrators associated with the United States as of November 2026 and tracks 268,490 professional contacts across them, including 40,709 with verified work emails. Washington is the largest hub.

This list covers company matches for defense IT integrators 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 6, 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 6, 2026 How this list was built
2,577Companies
268,490Contacts tracked
40,709Verified emails
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The 25 largest defense IT integrators based in the United States

Ranked by team size
Top 25 of 2,577 company matches for defense IT integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchFalls Church, MD, United StatesHQ recorded Nov 6, 202610001+77,937 contacts →

Exact match

“We are a close-knit community of big thinkers collaborating to keep the world safe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchReston, VA, United StatesHQ recorded Nov 6, 202610001+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 6, 2026 · View company records in RevenueBase
3Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202610001+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 6, 2026 · View company records in RevenueBase
4Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20265,001-10,00010,193 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 6, 2026 · View company records in RevenueBase
5Exact matchHoffman Estates, IL, United StatesHQ recorded Nov 6, 202610001+6,031 contacts →

Exact match

“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchReston, VA, United StatesHQ recorded Nov 6, 20265,001-10,0004,665 contacts →

Exact match

“ASRC Federal’s employees provide solutions for more than 30 U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFairfax, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,728 contacts →

Exact match

“ASM Research, an Accenture Federal Services Company, is an information solutions integrator and a leading provider of innovative technology solutions and advanced analytical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMclean, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,646 contacts →

Exact match

“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 202610001+1,482 contacts →

Exact match

“Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHollywood, MA, United StatesHQ recorded Nov 6, 20261,001-5,0001,402 contacts →

Exact match

“SMX is a global technology and advanced engineering provider specializing in Cloud Solutions, C5ISR, and Advanced Engineering / IT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,219 contacts →

Exact match

“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTrevose, PA, United StatesHQ recorded Nov 6, 2026201-5001,017 contacts →

Exact match

“PPC is now part of DSA”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000921 contacts →

Exact match

“Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchReston, DE, United StatesHQ recorded Nov 6, 2026201-500812 contacts →

Exact match

“Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 2026501-1,000793 contacts →

Exact match

“CALIBRE Systems, Inc.(CALIBRE) is an employee-owned AI transformation company delivering mission focused solutions to Defense, Federal / Civil, and Commercial clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000727 contacts →

Exact match

“SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChantilly, VA, United StatesHQ recorded Nov 6, 2026501-1,000722 contacts →

Exact match

“Red River brings together the ideal combination of talent, partners and products to disrupt the status quo in technology and drive success for business and government in ways…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChevy Chase, MD, United StatesHQ recorded Nov 6, 2026501-1,000683 contacts →

Exact match

“Abacus Technology Corporation delivers leading edge, high quality assistance in response to complex technology challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 2026501-1,000676 contacts →

Exact match

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBeavercreek, OH, United StatesHQ recorded Nov 6, 2026501-1,000654 contacts →

Exact match

“Started in 2012, ARS is a growing business serving the Department of Defense and Intelligence Community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026501-1,000640 contacts →

Exact match

“At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchColumbia, VA, United StatesHQ recorded Nov 6, 20261,001-5,000638 contacts →

Exact match

“Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 20261,001-5,000635 contacts →

Exact match

“For over 20 years, Salient CRGT has upheld its mission to "empower our diverse, hard-working team to deliver high-value solutions that make positive impacts on missions and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20261,001-5,000612 contacts →

Exact match

“LinQuest delivers performance excellence across the Air, Land, Sea, Space, and Cyberspace domains.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 2026501-1,000603 contacts →

Exact match

“SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,577 defense IT integrators based in the United States

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Defense IT integrators based in the United States at a glance

As of Nov 6, 2026
15.2%Verified-email coverage
104.2Average contacts per company
11-50Median size (employees)
3.4%Largest-city concentration · Washington
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
822
11-50
899
51-200
577
201-500
166
501-1,000
53
1,001-5,000
35
5,001-10,000
7
10001+
11

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 2,577 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 “defense IT integrators” 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 40,709 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 6, 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.

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 “defense IT integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense IT integrators are there based in the United States?

RevenueBase identified 2,577 company matches for defense IT integrators 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?

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

Which city has the most defense IT integrators?

Washington leads with 87 company records, followed by Reston (64) and Herndon (54).

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 40,709 professional contacts with verified work emails tracked across these 2,577 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 6, 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.