Company lists · Data refreshed September 2026

Top 25 Defense technology software startups based in the United States

Name: Defense technology software startups based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 1, 2026 1,375 companies tracked

RevenueBase identified 1,375 company matches for defense technology software startups associated with the United States as of September 2026 and tracks 333,618 professional contacts across them, including 28,094 with verified work emails and 161,916 with mobile numbers. Huntsville is the largest hub.

This list covers company matches for defense technology software startups 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 September 1, 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 Sep 1, 2026 How this list was built

1,375Companies

333,618Contacts tracked

28,094Verified emails

161,916Mobile numbers

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The 25 largest defense technology software startups based in the United States

Ranked by team size

Top 25 of 1,375 company matches for defense technology software startups based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 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	Northrop Grumman	Exact match	San Diego, CA, United States	10001+	75,000 contacts →
	Exact match “We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2	Raytheon	Exact match	Arlington, VA, United States	10001+	42,746 contacts →
	Exact match “Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3	Booz Allen Hamilton	Exact match	Mclean, VA, United States	10001+	34,223 contacts →
	Exact match “Whether at the border, up in space, or on the battlefield, we build the advanced technology that makes America stronger, faster, and safer.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4	L3harris Technologies	Exact match	Melbourne, FL, United States	10001+	24,757 contacts →
	Exact match “L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5	General Dynamics Information Technology	Exact match	Falls Church, VA, United States	10001+	24,019 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 · Sep 1, 2026 · View company records in RevenueBase
6	BAE Systems, INC	Exact match	Falls Church, VA, United States	10001+	12,874 contacts →
	Exact match “Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
7	Peraton	Exact match	San Diego, CA, United States	10001+	10,741 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8	Mantech	Exact match	Herndon, VA, United States	5,001-10,000	9,756 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9	Leonardo DRS	Exact match	Arlington, VA, United States	5,001-10,000	5,947 contacts →
	Exact match “Leonardo DRS Inc.(Nasdaq: DRS) is at the forefront of developing transformative defense technologies using its proven agility and delivering innovative solutions for U.S.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10	Asrc Federal	Exact match	Reston, VA, United States	5,001-10,000	4,524 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11	Systems Planning & Analysis	Exact match	Alexandria, VA, United States	1,001-5,000	2,082 contacts →
	Exact match “Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights for critical national security programs.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12	Scientific Research Corporation	Exact match	South Atlanta, GA, United States	1,001-5,000	1,914 contacts →
	Exact match “Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13	Modern Technology Solutions, Inc. Mtsi	Exact match	Las Vegas, NV, United States	1,001-5,000	1,909 contacts →
	Exact match “Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14	American Systems	Exact match	Mclean, VA, United States	1,001-5,000	1,899 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 · Sep 1, 2026 · View company records in RevenueBase
15	Dynetics, INC	Exact match	Huntsville, AL, United States	10001+	1,533 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 · Sep 1, 2026 · View company records in RevenueBase
16	Qinetiq US	Exact match	Reston, VA, United States	1,001-5,000	1,388 contacts →
	Exact match “For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17	CAE USA	Exact match	Tampa, FL, United States	1,001-5,000	1,288 contacts →
	Exact match “CAE USA, located in Tampa Florida, provides modeling and simulation technologies, integrated training solutions and training system support services for various defense and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18	VT Group VTG	Exact match	California, MD, United States	1,001-5,000	1,180 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 · Sep 1, 2026 · View company records in RevenueBase
19	Agile Defense	Exact match	Huntsville, AL, United States	1,001-5,000	1,080 contacts →
	Exact match “Agile Defense: Always Evolving Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20	Radiance Technologies	Exact match	Baton Rouge, LA, United States	1,001-5,000	1,037 contacts →
	Exact match “Radiance Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21	Tyto Athene, LLC	Exact match	Amherst, VA, United States	1,001-5,000	858 contacts →
	Exact match “At Tyto Athene, we help turn Data to Dominance.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22	Arcfield	Exact match	Chantilly, VA, United States	1,001-5,000	791 contacts →
	Exact match “Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity and…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23	Camber Corporation	Exact match	Warren, MI, United States	1,001-5,000	763 contacts →
	Exact match “Camber is now part of the Integrated Mission Solutions Group of HII's Technical Solutions Division.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24	Precise Systems, INC	Exact match	Oxnard, CA, United States	1,001-5,000	735 contacts →
	Exact match “Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25	Bluehalo, An AV Company	Exact match	Chantilly, VA, United States	1,001-5,000	658 contacts →
	Exact match “BlueHalo is now part of AV, a global defense technology leader built for scale, driven by innovation, and delivering #AllDomainDominance across every domain of modern…” Recorded in the RevenueBase company graph · Sep 1, 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 “defense technology software startups”. 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 1,375 defense technology software startups based in the United States

See the full list, filter by size, metro and specialty, and access 28,094 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense technology software startups based in the United States at a glance

As of Sep 1, 2026

8.4%Verified-email coverage

48.5%Mobile-number coverage

242.6Average contacts per company

11-50Median size (employees)

4.9%Largest-city concentration · Huntsville

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

438

11-50

397

51-200

335

201-500

109

501-1,000

1,001-5,000

5,001-10,000

10001+

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 technology software startups” 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 28,094 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 September 1, 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.

Defense technology software startups 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 “defense technology software startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense technology software startups are there based in the United States?

RevenueBase identified 1,375 company matches for defense technology software startups associated with the United States as of September 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 technology software startups?

Huntsville leads with 68 company records, followed by Reston (47) and Washington (46).

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 28,094 professional contacts with verified work emails tracked across these 1,375 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 September 1, 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.