Company lists · Data refreshed October 2026

Top 25 Defense software development companies worldwide

Name: Defense software development companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 2,327 companies tracked

RevenueBase identified 2,327 company matches for defense software development companies worldwide as of October 2026 and tracks 388,807 professional contacts across them, including 41,695 with verified work emails. The United States is the largest market and Huntsville the largest hub.

This list covers company matches for defense software development companies worldwide, 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 October 1, 2026. Country and city lists for defense software development companies follow the table.

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 Oct 1, 2026 How this list was built

2,327Companies

388,807Contacts tracked

41,695Verified emails

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The 25 largest defense software development companies worldwide

Ranked by team size

Top 25 of 2,327 company matches for defense software development companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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	Falls Church, VA, United StatesHQ recorded Oct 1, 2026	10001+	74,984 contacts →
	Exact match “We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Raytheon	Exact match	Arlington, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	L3harris Technologies	Exact match	Melbourne, FL, United StatesHQ recorded Oct 1, 2026	10001+	24,855 contacts →
	Exact match “L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Oct 1, 2026	10001+	23,974 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 · Oct 1, 2026 · View company records in RevenueBase
5	Parsons Corporation	Exact match	Chantilly, VA, United StatesHQ recorded Oct 1, 2026	10001+	19,456 contacts →
	Exact match “Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	BAE Systems, INC	Exact match	Falls Church, VA, United StatesHQ recorded Oct 1, 2026	10001+	12,898 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 · Oct 1, 2026 · View company records in RevenueBase
7	Peraton	Exact match	Reston, VA, United StatesHQ recorded Oct 1, 2026	10001+	10,793 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Oct 1, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Leonardo DRS	Exact match	Arlington, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	IAI	Exact match	Ben Gurion International Airport, IsraelHQ recorded Oct 1, 2026	10001+	4,643 contacts →
	Exact match “Israel Aerospace Industries Ltd.(IAI) is Israel’s largest aerospace and defense company specializing in developing and manufacturing advanced, state-of-the-art systems for air…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Oct 1, 2026	5,001-10,000	4,542 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Anduril Industries	Exact match	CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,699 contacts →
	Exact match “Anduril is not a traditional defense contractor.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Elbit Systems	Exact match	Haifa, IsraelHQ recorded Oct 1, 2026	10001+	2,116 contacts →
	Exact match “Elbit Systems is a leading global defense technology company, delivering advanced solutions for a secure and safer world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Textron Systems	Exact match	Haslet, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,006 contacts →
	Exact match “Textron Systems has been providing innovative solutions to the defense, homeland security and aerospace communities for more than 50 years.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Modern Technology Solutions, Inc. Mtsi	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,920 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 · Oct 1, 2026 · View company records in RevenueBase
16	Scientific Research Corporation	Exact match	Atlanta, GA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,917 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 · Oct 1, 2026 · View company records in RevenueBase
17	Rafael Advanced Defense Systems	Exact match	Haifa, IsraelHQ recorded Oct 1, 2026	5,001-10,000	1,799 contacts →
	Exact match “Rafael Advanced Defense Systems Ltd.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Dynetics, INC	Exact match	Huntsville, AL, United StatesHQ recorded Oct 1, 2026	10001+	1,532 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 · Oct 1, 2026 · View company records in RevenueBase
19	Thales Defense & Security, INC	Exact match	Clarksburg, MD, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,527 contacts →
	Exact match “Thales Defense & Security, Inc.(TDSI) Headquartered in Clarksburg, MD, Thales Defense & Security, Inc.(TDSI) is a U.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Terma Group	Exact match	Lystrup, DenmarkHQ recorded Oct 1, 2026	1,001-5,000	1,525 contacts →
	Exact match “Defense is a silent shield in an unpredictable world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Kongsberg Defence & Aerospace	Exact match	Kongsberg, NorwayHQ recorded Oct 1, 2026	1,001-5,000	1,431 contacts →
	Exact match “For more than 200 years, Kongsberg Defence & Aerospace (KONGSBERG) has combined industrial experience with technology and creativity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Qinetiq US	Exact match	Mclean, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,383 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 · Oct 1, 2026 · View company records in RevenueBase
23	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Oct 1, 2026	501-1,000	1,378 contacts →
	Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	CAE USA	Exact match	Tampa, FL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,286 contacts →
	Exact match “CAE’s Defense & Security business segment focuses on helping prepare its customers to develop and maintain the highest levels of mission readiness.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Systematic	Exact match	Aarhus C, DenmarkHQ recorded Oct 1, 2026	1,001-5,000	1,180 contacts →
	Exact match “Systematic is Denmark's largest privately owned software company and has been developing IT solutions since 1985.” Recorded in the RevenueBase company graph · Oct 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 software development companies”. 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 2,327 defense software development companies worldwide

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Defense software development companies worldwide at a glance

As of Oct 1, 2026

10.7%Verified-email coverage

167.1Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · Huntsville

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

864

11-50

740

51-200

433

201-500

156

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for defense software development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “defense software development companies” 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. 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 41,695 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 October 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 software development companies by location

18 lists · largest first

Every Defense software development companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense software development companies are there worldwide?

RevenueBase identified 2,327 company matches for defense software development companies worldwide as of October 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 country has the most defense software development companies?

The United States leads with 1,102 companies, followed by India (153) and Türkiye (112). Every defense software development companies list by country and city is linked on this page.

Which city has the most defense software development companies?

Huntsville leads with 58 company records, followed by Ankara (47) and Herndon (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 41,695 professional contacts with verified work emails tracked across these 2,327 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 October 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.