Company lists · Data refreshed November 2026

Top 25 Managed endpoint security companies based in the United States

RevenueBase identified 1,098 company matches for managed endpoint security companies associated with the United States as of November 2026 and tracks 58,535 professional contacts across them, including 26,004 with verified work emails. New York is the largest hub.

This list covers company matches for managed endpoint security 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 November 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 Nov 5, 2026 How this list was built
1,098Companies
58,535Contacts tracked
26,004Verified emails
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The 25 largest managed endpoint security companies based in the United States

Ranked by team size
Top 25 of 1,098 company matches for managed endpoint security companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Jose, CA, United StatesHQ recorded Nov 5, 202610001+11,878 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchRemote, United StatesHQ recorded Nov 5, 20265,001-10,00011,304 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 5, 2026 · View company records in RevenueBase
3Exact matchMountain View, CA, United StatesHQ recorded Nov 5, 20261,001-5,0003,154 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCampbell, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,408 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 5, 2026 · View company records in RevenueBase
5Exact matchBellevue, TX, United StatesHQ recorded Nov 5, 20261,001-5,0002,360 contacts →

Exact match

“Tanium is the Autonomous IT company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchAustin, FL, United StatesHQ recorded Nov 5, 20261,001-5,0002,264 contacts →

Exact match

“NinjaOne unifies IT to simplify work for nearly customers in 140+ countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSeattle, WA, United StatesHQ recorded Nov 5, 20261,001-5,0001,174 contacts →

Exact match

“WatchGuard® Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Nov 5, 20261,001-5,000911 contacts →

Exact match

“Secureworks, a Sophos Company, empowers organizations worldwide with advanced Managed Detection and Response (MDR) services, our security operations platform Taegis XDR, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchColumbia, MD, United StatesHQ recorded Nov 5, 2026501-1,000831 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Nov 5, 2026501-1,000733 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 · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMclean, AZ, United StatesHQ recorded Nov 5, 2026501-1,000623 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 · Nov 5, 2026 · View company records in RevenueBase
12Exact matchPasadena, CA, United StatesHQ recorded Nov 5, 2026501-1,000512 contacts →

Exact match

“Guidance (NASDAQ: GUID) exists to turn chaos and the unknown into order and the known-so that companies and their customers can go about their daily lives as usual without worry…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 20261,001-5,000505 contacts →

Exact match

“Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026501-1,000476 contacts →

Exact match

“If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Nov 5, 2026201-500474 contacts →

Exact match

“Lookout, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 2026201-500449 contacts →

Exact match

“Expel is the leading agentic MDR provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchReston, VA, United StatesHQ recorded Nov 5, 2026201-500393 contacts →

Exact match

“Trackforce is the operating system for physical security - bringing people, operations, and intelligence together in one connected platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLas Vegas, NV, United StatesHQ recorded Nov 5, 2026201-500372 contacts →

Exact match

“Intelligent Technical Solutions (ITS) is a Managed Security Service Provider (MSSP) helping growing and mid-market organizations improve IT performance, strengthen cybersecurity…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Nov 5, 2026201-500324 contacts →

Exact match

“Cynet’s unified, AI-powered cybersecurity platform brings together a full suite of security capabilities in a single, simple solution, backed by 24x7 SOC support.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchDenver, CO, United StatesHQ recorded Nov 5, 2026201-500312 contacts →

Exact match

“Red Canary stops cyber threats no one else does, so organizations can fearlessly pursue their missions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchMorrisville, NC, United StatesHQ recorded Nov 5, 2026201-500310 contacts →

Exact match

“Today’s organizations are playing catch-up, chasing alerts with a scarcity of experienced people, time and budget.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMiami, FL, United StatesHQ recorded Nov 5, 2026201-500263 contacts →

Exact match

“We are Cipher, a company from the Prosegur group specializing in Cybersecurity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSanta Ana, CA, United StatesHQ recorded Nov 5, 2026201-500262 contacts →

Exact match

“Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCharlotte, NC, United StatesHQ recorded Nov 5, 2026201-500256 contacts →

Exact match

“GLS is a managed network and security services provider founded in 1998.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchOklahoma City, OK, United StatesHQ recorded Nov 5, 2026501-1,000251 contacts →

Exact match

“TriCorps is an integrated security and technology firm that specializes in providing cost effective, world-class services tailored to meeting the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,098 managed endpoint security companies based in the United States

See the full list, filter by size, metro and specialty, and access 26,004 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed endpoint security companies based in the United States at a glance

As of Nov 5, 2026
44.4%Verified-email coverage
53.3Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
500
11-50
368
51-200
151
201-500
32
501-1,000
16
1,001-5,000
16
5,001-10,000
5
10001+
4

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 1,098 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 “managed endpoint security 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 26,004 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 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.

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

How many managed endpoint security companies are there based in the United States?

RevenueBase identified 1,098 company matches for managed endpoint security companies 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?

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

Which city has the most managed endpoint security companies?

New York leads with 40 company records, followed by Miami (29) and Austin (24).

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 26,004 professional contacts with verified work emails tracked across these 1,098 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 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.