Company lists · Data refreshed November 2026

Top 25 Cybersecurity services and solutions based in the United States

Name: Cybersecurity services and solutions based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,509 companies tracked

RevenueBase identified 15,509 company matches for cybersecurity services and solutions associated with the United States as of November 2026 and tracks 740,102 professional contacts across them, including 244,795 with verified work emails. New York is the largest hub.

This list covers company matches for cybersecurity services and solutions 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

15,509Companies

740,102Contacts tracked

244,795Verified emails

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The 25 largest cybersecurity services and solutions based in the United States

Ranked by team size

Top 25 of 15,509 company matches for cybersecurity services and solutions 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Dell Technologies	Exact match	Round Rock, TX, United StatesHQ recorded Nov 6, 2026	10001+	143,356 contacts →
	Exact match “Our technology is intelligent, secure, and built for you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	CISCO	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	10001+	142,934 contacts →
	Exact match “Cisco is the worldwide technology leader that is revolutionizing the way organizations connect and protect in the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Vmware	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	10001+	16,819 contacts →
	Exact match “Broadcom's VMware software manages cloud complexity so customers can modernize infrastructure, accelerate app development, and protect workloads, wherever these reside.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 6, 2026	10001+	15,414 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 · Nov 6, 2026 · View company records in RevenueBase
5	Crowdstrike	Exact match	Remote, United StatesHQ recorded Nov 6, 2026	5,001-10,000	11,304 contacts →
	Exact match “CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Comcast Business	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	10001+	8,837 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Nov 6, 2026	10001+	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
8	Hackerone	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	5,639 contacts →
	Exact match “HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Rubrik	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,857 contacts →
	Exact match “Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Sierra Nevada Corporation	Exact match	Sparks, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,819 contacts →
	Exact match “SNC is a trusted global leader in aerospace and national security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,665 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
12	Sailpoint	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,628 contacts →
	Exact match “SailPoint equips the modern enterprise to seamlessly manage and secure access to applications and data through the lens of identity – at speed and scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Trellix	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,510 contacts →
	Exact match “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,432 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Netskope	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,350 contacts →
	Exact match “Netskope (NASDAQ: NTSK), a leader in modern security and networking for the cloud and AI era, addresses the needs of both security and networking teams by providing optimized…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	3,342 contacts →
	Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Qualys	Exact match	Foster City, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,323 contacts →
	Exact match “Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Infoblox	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,307 contacts →
	Exact match “Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Sentinelone	Exact match	Mountain View, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,154 contacts →
	Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	GTT	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,071 contacts →
	Exact match “GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Barracuda	Exact match	Campbell, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,408 contacts →
	Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	RSA Security	Exact match	Burlington, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,314 contacts →
	Exact match “The identity standard for government, finance, and high-assurance organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	N-Able	Exact match	Morrisville, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,063 contacts →
	Exact match “N-able’s mission is to protect businesses against evolving cyberthreats with a unified cyber resiliency platform to manage, secure, and recover.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Nov 6, 2026	10001+	1,928 contacts →
	Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Nov 6, 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 “cybersecurity services and solutions”. 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 15,509 cybersecurity services and solutions based in the United States

See the full list, filter by size, metro and specialty, and access 244,795 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services and solutions based in the United States at a glance

As of Nov 6, 2026

33.1%Verified-email coverage

47.7Average contacts per company

1-10Median size (employees)

3.5%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,181

11-50

4,994

51-200

1,610

201-500

374

501-1,000

133

1,001-5,000

121

5,001-10,000

10001+

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 15,509 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 “cybersecurity services and solutions” 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 244,795 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.

Cybersecurity services and solutions 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 “cybersecurity services and solutions”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services and solutions are there based in the United States?

RevenueBase identified 15,509 company matches for cybersecurity services and solutions 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?

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

Which city has the most cybersecurity services and solutions?

New York leads with 539 company records, followed by Houston (271) and Atlanta (256).

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 244,795 professional contacts with verified work emails tracked across these 15,509 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.