Company lists · Data refreshed September 2026

Top 25 Cybersecurity services and solutions based in the United States

RevenueBase identified 14,616 company matches for cybersecurity services and solutions associated with the United States as of September 2026 and tracks 758,777 professional contacts across them, including 268,714 with verified work emails and 215,003 with mobile numbers. 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 September 24, 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 24, 2026 How this list was built
14,616Companies
758,777Contacts tracked
268,714Verified emails
215,003Mobile numbers
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The 25 largest cybersecurity services and solutions based in the United States

Ranked by team size
Top 25 of 14,616 company matches for cybersecurity services and solutions based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Jose, CA, United StatesHQ recorded Sep 24, 202610001+137,277 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 · Sep 24, 2026 · View company records in RevenueBase
2Exact matchRound Rock, TX, United StatesHQ recorded Sep 24, 202610001+136,446 contacts →

Exact match

“Our technology is intelligent, secure, and built for you.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Sep 24, 202610001+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 24, 2026 · View company records in RevenueBase
4Exact matchPalo Alto, CA, United StatesHQ recorded Sep 24, 202610001+17,326 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 · Sep 24, 2026 · View company records in RevenueBase
5Exact matchSunnyvale, CA, United StatesHQ recorded Sep 24, 202610001+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 24, 2026 · View company records in RevenueBase
6Exact matchGlen Allen, VA, United StatesHQ recorded Sep 24, 20261,001-5,00012,231 contacts →

Exact match

“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchRemote, United StatesHQ recorded Sep 24, 20265,001-10,00010,118 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 · Sep 24, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202610001+8,242 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchRedwood City, CA, United StatesHQ recorded Sep 24, 20265,001-10,0007,668 contacts →

Exact match

“Check Point Software Technologies Ltd.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 24, 2026n/a6,058 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 · Sep 24, 2026 · View company records in RevenueBase
11Exact matchHoffman Estates, IL, United StatesHQ recorded Sep 24, 202610001+5,707 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 · Sep 24, 2026 · View company records in RevenueBase
12Exact matchReston, VA, United StatesHQ recorded Sep 24, 20265,001-10,0004,542 contacts →

Exact match

“ASRC Federal’s employees provide solutions for more than 30 U.S.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchSparks, NV, United StatesHQ recorded Sep 24, 20261,001-5,0004,484 contacts →

Exact match

“SNC is a trusted global leader in aerospace and national security.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchPalo Alto, CA, United StatesHQ recorded Sep 24, 20261,001-5,0004,448 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 · Sep 24, 2026 · View company records in RevenueBase
15Exact matchTinton Falls, NJ, United StatesHQ recorded Sep 24, 20261,001-5,0004,032 contacts →

Exact match

“Commvault (NASDAQ: CVLT) is a leader in unified resilience at enterprise scale.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 24, 2026n/a3,649 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 · Sep 24, 2026 · View company records in RevenueBase
17Exact matchPlano, TX, United StatesHQ recorded Sep 24, 20261,001-5,0003,447 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 · Sep 24, 2026 · View company records in RevenueBase
18Exact matchNewton, MA, United StatesHQ recorded Sep 24, 20261,001-5,0003,302 contacts →

Exact match

“CyberArk is the global leader in Identity Security.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 24, 20261,001-5,0003,206 contacts →

Exact match

“At Quest Software, we help organizations build modern, trusted foundations for AI.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20Exact matchEden Prairie, MN, United StatesHQ recorded Sep 24, 20261,001-5,0003,145 contacts →

Exact match

“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchFoster City, CA, United StatesHQ recorded Sep 24, 20261,001-5,0003,058 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 · Sep 24, 2026 · View company records in RevenueBase
22Exact matchSanta Clara, CA, United StatesHQ recorded Sep 24, 20261,001-5,0003,056 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 · Sep 24, 2026 · View company records in RevenueBase
23Exact matchMountain View, CA, United StatesHQ recorded Sep 24, 20261,001-5,0003,052 contacts →

Exact match

“SentinelOne is the world's leading AI-powered cybersecurity platform.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24Exact matchArlington, VA, United StatesHQ recorded Sep 24, 20261,001-5,0002,933 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 · Sep 24, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, MN, United StatesHQ recorded Sep 24, 20261,001-5,0002,907 contacts →

Exact match

“Entrust fights fraud and cyber threats with identity-centric security that protects people, devices, and data.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 14,616 cybersecurity services and solutions based in the United States

See the full list, filter by size, metro and specialty, and access 268,714 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 Sep 24, 2026
35.4%Verified-email coverage
28.3%Mobile-number coverage
51.9Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · New York
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
7,570
11-50
4,768
51-200
1,562
201-500
364
501-1,000
136
1,001-5,000
128
5,001-10,000
17
10001+
35

Freshness & accuracy

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

Email last verified

Median 26.0d

Company record updated

Median 87.0d

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 268,714 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 24, 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 14,616 company matches for cybersecurity services and solutions 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?

CISCO 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 478 company records, followed by Houston (271) and Washington (235).

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 268,714 professional contacts with verified work emails tracked across these 14,616 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 24, 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.