Company lists · Data refreshed September 2026

Top 25 Infrastructure security services based in the United States

RevenueBase identified 3,353 company matches for infrastructure security services associated with the United States as of September 2026 and tracks 119,388 professional contacts across them, including 52,562 with verified work emails. New York is the largest hub.

This list covers company matches for infrastructure security services 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 28, 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 28, 2026 How this list was built
3,353Companies
119,388Contacts tracked
52,562Verified emails
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The 25 largest infrastructure security services based in the United States

Ranked by team size
Top 25 of 3,353 company matches for infrastructure security services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchSanta Clara, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2Exact matchSunnyvale, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 202610001+11,169 contacts →

Exact match

“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchEden Prairie, MN, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5Exact matchFoster City, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6Exact matchArlington, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
7Exact matchSanta Clara, CA, United StatesHQ recorded Sep 28, 20261,001-5,0002,813 contacts →

Exact match

“Infoblox unites networking and security to deliver unmatched performance and protection.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLeawood, KS, United StatesHQ recorded Sep 28, 20261,001-5,0002,222 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 · Sep 28, 2026 · View company records in RevenueBase
9Exact matchAustin, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,636 contacts →

Exact match

“Forcepoint simplifies security for global businesses and governments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,252 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchReston, VA, United StatesHQ recorded Sep 28, 20261,001-5,0001,232 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Sep 28, 202610001+1,217 contacts →

Exact match

“On Dec.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSeattle, WA, United StatesHQ recorded Sep 28, 20261,001-5,0001,059 contacts →

Exact match

“WatchGuard® Technologies, Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBaltimore, MD, United StatesHQ recorded Sep 28, 2026501-1,000904 contacts →

Exact match

“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026501-1,000874 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 28, 2026 · View company records in RevenueBase
16Exact matchKansas City, MO, United StatesHQ recorded Sep 28, 20261,001-5,000844 contacts →

Exact match

“Today’s threatscape is relentless.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchColumbia, MD, United StatesHQ recorded Sep 28, 2026501-1,000696 contacts →

Exact match

“Protect Your Endpoints, Identities, Logs, and Employees.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 2026501-1,000673 contacts →

Exact match

“A10 Networks provides security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 2026501-1,000651 contacts →

Exact match

“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchPlano, TX, United StatesHQ recorded Sep 28, 2026501-1,000641 contacts →

Exact match

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchAshburn, VA, United StatesHQ recorded Sep 28, 2026501-1,000629 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 28, 2026 · View company records in RevenueBase
22Exact matchMiami, FL, United StatesHQ recorded Sep 28, 20261,001-5,000553 contacts →

Exact match

“Security Alliance is a highly experienced provider of security solutions for private and business environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchMclean, VA, United StatesHQ recorded Sep 28, 2026501-1,000523 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 28, 2026 · View company records in RevenueBase
24Exact matchMclean, VA, United StatesHQ recorded Sep 28, 2026501-1,000505 contacts →

Exact match

“At Ntiva, growing people (our employees, partners, and clients) is our mission.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchPortsmouth, NH, United StatesHQ recorded Sep 28, 2026201-500503 contacts →

Exact match

“Blue Mantis is a security-first, IT solutions and services provider with a 30+ year history of successfully helping clients achieve business modernization by applying…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 3,353 infrastructure security services based in the United States

See the full list, filter by size, metro and specialty, and access 52,562 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure security services based in the United States at a glance

As of Sep 28, 2026
44.0%Verified-email coverage
35.6Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,683
11-50
1,147
51-200
356
201-500
79
501-1,000
33
1,001-5,000
36
5,001-10,000
4
10001+
6

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 3,353 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 “infrastructure security services” 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 52,562 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 28, 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.

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 “infrastructure security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure security services are there based in the United States?

RevenueBase identified 3,353 company matches for infrastructure security services 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?

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

Which city has the most infrastructure security services?

New York leads with 93 company records, followed by Houston (67) and Miami (60).

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 52,562 professional contacts with verified work emails tracked across these 3,353 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 28, 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.