Company lists · Data refreshed September 2026

Top 20 Defense technology software startups based in Arlington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 10, 2026 35 companies tracked

RevenueBase identified 35 company matches for defense technology software startups associated with Arlington, United States as of September 2026 and tracks 51,785 professional contacts across them, including 1,885 with verified work emails and 24,236 with mobile numbers. Across the United States, Huntsville is the largest hub for this category (68 companies); Arlington has 34.

This list covers company matches for defense technology software startups associated with Arlington, 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 10, 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 10, 2026 How this list was built

35Companies

51,785Contacts tracked

1,885Verified emails

24,236Mobile numbers

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The 20 largest defense technology software startups based in Arlington, United States

Ranked by team size

Top 20 of 35 company matches for defense technology software startups based in Arlington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 10, 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	Raytheon	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	10001+	42,937 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 10, 2026 · View company records in RevenueBase
2	Leonardo DRS	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	5,001-10,000	5,980 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 10, 2026 · View company records in RevenueBase
3	Bluehalo, An AV Company	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	1,001-5,000	667 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 10, 2026 · View company records in RevenueBase
4	TWO SIX Technologies	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	501-1,000	647 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 · Sep 10, 2026 · View company records in RevenueBase
5	Innovative Defense Technologies IDT	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	201-500	389 contacts →
	Exact match “Innovative Defense Technologies (IDT) is a rapid capability integrator helping the U.S.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
6	Cydecor, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	501-1,000	237 contacts →
	Exact match “Cydecor advances national security through innovative end-to-end solutions to our customers around the globe.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
7	BAM Technologies, LLC	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	201-500	235 contacts →
	Exact match “BAM is a dynamic, multi-disciplinary firm with leading-edge skills in information technology, software development and applied research.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
8	Millennium Engineering And Integration	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	201-500	156 contacts →
	Exact match “Millennium Engineering and Integration, now part of Astrion, is a premier small business advancing space systems, weapon systems, and next-generation technologies across ground…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
9	Decision Technologies, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	51-200	92 contacts →
	Exact match “Decision Technologies is driven by the foresight and knowledge needed to advance the technical capabilities of our clients and help the nation succeed in its most critical…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
10	Cybastion	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	51-200	58 contacts →
	Exact match “CYBASTION develops robust world-class cybersecurity solutions tailored to suit the needs of different businesses, governments and public sector entities.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
11	System Planning Corporation	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	51-200	47 contacts →
	Exact match “System Planning Corporation (SPC)’s success supporting U.S.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
12	HLINC	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	27 contacts →
	Exact match “Big Business Capability from a Small Business HLinc delivers holistic solutions to our customers’ needs – we develop, integrate, and implement technological solutions, customized…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
13	U.Group, An Agile Defense Company	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	201-500	25 contacts →
	Exact match “U.Group, An Agile Defense Company, provides you not only outstanding technology solutions, but also user friendly interfaces and integrated marketing strategies-so you can do your…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
14	Eagle Technologies, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	51-200	19 contacts →
	Exact match “Eagle Technologies, Inc,(Eagle), founded in 2004, is a small business that specializes in developing complex solutions for government and large corporate and business customers…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
15	Strategic Technology Partners	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	19 contacts →
	Exact match “STP is an IT services company that specializes in building mission critical infrastructure, applications and cybersecurity systems.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
16	Cedelis	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	14 contacts →
	Exact match “CEDELIS is an 8(a) Service-Disabled Minority Veteran-Owned Small Business (SDVOSB) that offers innovative IT services to Federal and Civilian agencies, located in the Washington…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
17	I SW	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	51-200	14 contacts →
	Exact match “i_SW is an advanced technology, engineering and research company.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
18	Existx	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	13 contacts →
	Exact match “ExistX was founded in 2023 with the goal to combine cutting edge invention with practical implementation in the unique environments our customers demand to solve national security…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
19	Cynnovative	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	10 contacts →
	Exact match “Cynnovative’s mission: To enable our customers to achieve superiority in the cyber domain by rewriting the laws of cyber and advancing state-of-the-art machine learning and…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
20	Amches	Exact match	Arlington, VA, United StatesHQ recorded Sep 10, 2026	11-50	7 contacts →
	Exact match “Amches provides Wireless and Cyber Security Solutions using proprietary advanced Agile Methodology to cohesively integrate Program Management, Systems Engineering, and both…” Recorded in the RevenueBase company graph · Sep 10, 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 20 of 35 defense technology software startups based in Arlington, United States

See the full list, filter by size, metro and specialty, and access 1,885 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense technology software startups based in Arlington, United States at a glance

As of Sep 10, 2026

3.6%Verified-email coverage

46.8%Mobile-number coverage

1479.6Average contacts per company

51-200Median size (employees)

Sep 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 51.0d

7770–30

18431–60

261–90

290–180

920180+

Company record updated

Median 73.0d

00–30

16,32531–60

24,27261–90

9,49590–180

1,693180+

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 Arlington, 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 1,885 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 10, 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 in the United States

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 Arlington, United States?

RevenueBase identified 35 company matches for defense technology software startups associated with Arlington, 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?

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

Which city in the United States has the most defense technology software startups?

Huntsville leads the United States with 68 company records, followed by Reston (47) and Washington (46). Arlington has 34.

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 1,885 professional contacts with verified work emails tracked across these 35 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 10, 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.