Company lists · Data refreshed September 2026

Top 25 Military cybersecurity companies based in the United States

Name: Military cybersecurity companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 1,628 companies tracked

RevenueBase identified 1,628 company matches for military cybersecurity companies associated with the United States as of September 2026 and tracks 175,937 professional contacts across them, including 30,012 with verified work emails and 77,017 with mobile numbers. New York is the largest hub.

This list covers company matches for military cybersecurity companies 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 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 Sep 5, 2026 How this list was built

1,628Companies

175,937Contacts tracked

30,012Verified emails

77,017Mobile numbers

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The 25 largest military cybersecurity companies based in the United States

Ranked by team size

Top 25 of 1,628 company matches for military cybersecurity companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Northrop Grumman	Exact match	Falls Church, VA, United StatesHQ recorded Sep 5, 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 · Sep 5, 2026 · View company records in RevenueBase
2	Palo Alto Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 5, 2026	10001+	18,431 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 5, 2026	10001+	14,289 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	501-1,000	874 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	Quantum SKY	Exact match	Reston, VA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	872 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 · Sep 5, 2026 · View company records in RevenueBase
6	Application Specialist Kompany ASK	Exact match	Lansing, MI, United StatesHQ recorded Sep 5, 2026	n/a	785 contacts →
	Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	STR	Exact match	Woburn, MA, United StatesHQ recorded Sep 5, 2026	501-1,000	763 contacts →
	Exact match “STR is driven to deliver impact.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Fireeye, INC	Exact match	Milpitas, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	676 contacts →
	Exact match “We are now officially Trellix!” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	629 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 · Sep 5, 2026 · View company records in RevenueBase
10	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	523 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	United Security, Inc. USI	Exact match	Red Bank, NJ, United StatesHQ recorded Sep 5, 2026	1,001-5,000	416 contacts →
	Exact match “United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	Macaulay-Brown, Inc. Macb , An Alion Company	Exact match	Dayton, OH, United StatesHQ recorded Sep 5, 2026	1,001-5,000	381 contacts →
	Exact match “For 39 years, MacAulay-Brown, Inc.(MacB), an Alion Company, has been solving many of the Nation’s most complex National Security challenges.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	System High Corporation	Exact match	Chantilly, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	368 contacts →
	Exact match “System High Corporation, a Veilant company, delivers the most advanced protection and secrecy solutions to secure and strengthen critical missions, programs, operations, and…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	US Claro	Exact match	Miramar, FL, United StatesHQ recorded Sep 5, 2026	201-500	345 contacts →
	Exact match “Claro, a subsidiary of América Móvil, is a global integrator with over 20 years of experience and your partner for managing secure-by-design cybersecurity and information…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Sentar INC	Exact match	Huntsville, AL, United StatesHQ recorded Sep 5, 2026	201-500	338 contacts →
	Exact match “Sentar, an employee-owned company, is a leading cyber-intelligence solutions provider focused on the National Security sector.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	Fgs, LLC	Exact match	La Plata, MD, United StatesHQ recorded Sep 5, 2026	201-500	312 contacts →
	Exact match “Where Mission Meets Technology.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Feditc	Exact match	Rockville, MD, United StatesHQ recorded Sep 5, 2026	201-500	296 contacts →
	Exact match “Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	Cipher A Prosegur Company	Exact match	Miami, FL, United StatesHQ recorded Sep 5, 2026	201-500	295 contacts →
	Exact match “We are Cipher, a company from the Prosegur group specializing in Cybersecurity.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Research Innovations Incorporated	Exact match	Alexandria, VA, United StatesHQ recorded Sep 5, 2026	201-500	293 contacts →
	Exact match “Research Innovations Inc.(RII) supports critical defense, intelligence, and cyber customers across the U.S.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Atlas Tech	Exact match	North Charleston, SC, United StatesHQ recorded Sep 5, 2026	201-500	278 contacts →
	Exact match “Since 1997, Atlas Tech has delivered secure, mission-critical IT and engineering solutions to defense and federal agencies worldwide.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Keyw Corporation	Exact match	Hanover, MD, United StatesHQ recorded Sep 5, 2026	1,001-5,000	268 contacts →
	Exact match “KeyW is now Jacobs.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	Millennium Corporation	Exact match	Arlington, VA, United StatesHQ recorded Sep 5, 2026	201-500	265 contacts →
	Exact match “For nearly two decades, Millennium Corporation has been operating on the leading edge of cybersecurity.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	Mks2 Technologies	Exact match	Austin, TX, United StatesHQ recorded Sep 5, 2026	201-500	265 contacts →
	Exact match “Founded in 2008, MKS2 Technologies has helped Federal government customers design, implement and sustain mission-focused IT solutions focusing on cyber security support…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	VMD Corp	Exact match	Mclean, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	254 contacts →
	Exact match “About VMD VMD, now a part of Xcelerate Solutions, is a leading defense and national security company, delivering integrated solutions in enterprise security, strategic consulting…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 5, 2026	51-200	249 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 5, 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 “military cybersecurity 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 1,628 military cybersecurity companies based in the United States

See the full list, filter by size, metro and specialty, and access 30,012 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Military cybersecurity companies based in the United States at a glance

As of Sep 5, 2026

17.1%Verified-email coverage

43.8%Mobile-number coverage

108.1Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

794

11-50

532

51-200

204

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

26,8630–30

1,75031–60

2561–90

1790–180

1,357180+

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 “military cybersecurity 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. 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 30,012 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 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.

Military cybersecurity companies 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 “military cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many military cybersecurity companies are there based in the United States?

RevenueBase identified 1,628 company matches for military cybersecurity companies 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 military cybersecurity companies?

New York leads with 40 company records, followed by Washington (39) and Austin (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 30,012 professional contacts with verified work emails tracked across these 1,628 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 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.