Company lists · Data refreshed November 2026

Top 24 Managed vulnerability management services based in the United States

RevenueBase identified 290 company matches for managed vulnerability management services associated with the United States as of November 2026 and tracks 11,165 professional contacts across them, including 6,531 with verified work emails. New York is the largest hub.

This list covers company matches for managed vulnerability management 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 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
290Companies
11,165Contacts tracked
6,531Verified emails
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The 24 largest managed vulnerability management services based in the United States

Ranked by team size
Top 24 of 290 company matches for managed vulnerability management services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFoster City, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,323 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
2Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 20261,001-5,0002,270 contacts →

Exact match

“Tenable is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBurlington, MA, United StatesHQ recorded Nov 6, 2026501-1,000554 contacts →

Exact match

“Veracode is a global leader in Application Risk Management for the AI era.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200245 contacts →

Exact match

“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAlbuquerque, NM, United StatesHQ recorded Nov 6, 2026201-500243 contacts →

Exact match

“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“Zafran is an AI-native exposure management platform that eliminates the manual toil of vulnerability management by cutting through noise, revealing what is truly exploitable, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“Nucleus is the exposure management platform enterprise and government security leaders rely on to reduce cyber risk at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Vicarius is a cybersecurity company focused on turning vulnerability management into real remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Strobes | Autonomous Pentesting & Exposure Validation Platform Strobes is the AI-powered CTEM platform that unites Autonomous Pentesting and Exposure Validation so security teams…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRockwall, TX, United StatesHQ recorded Nov 6, 2026n/a99 contacts →

Exact match

“My Computer Guy is a premier Cybersecurity-focused Managed Service Provider (MSP) dedicated to safeguarding businesses in the Dallas-Fort Worth (DFW) area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLexington, MA, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“VulnCheck helps organizations outpace adversaries with exploit intelligence that predicts avenues of attack with speed and accuracy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBaltimore, DC, United StatesHQ recorded Nov 6, 202611-5077 contacts →

Exact match

“Technology should push your business forward, not create friction, risk, or uncertainty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSt. Charles, IL, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“We've been serving and defending businesses since 2008 as trusted, personable guides in this complex, ever-changing, high-stakes field-MSSP Alert's Top 50 MSSPs Of 2020 -LogRhythm…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFindlay, OH, United StatesHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“CentraComm secures and manages hybrid networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOnalaska, MN, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Locknet Managed IT, an EO Johnson company, is a premier managed security and IT partner for organizations operating in regulated, high-stakes environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Protecting your organization from security breaches is the #1 goal of Guardian 365® managing security operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Our team of world-class reverse engineers discovers exploitable critical vulnerabilities in common commercial software and hardware BEFORE they can be manipulated by attackers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Software ships daily.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Reveald is making Exposure Management a reality to solve the biggest challenges in cybersecurity with a trailblazing ‘offense to defense’ approach that gives the advantage back to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Cybral is based in the US with operating subsidiaries in the North America, Europe and MENA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVirginia Beach, VA, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Skycep is an endpoint security service provider with various solutions for Incident Detection Response and Vulnerability Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 290 managed vulnerability management services based in the United States

See the full list, filter by size, metro and specialty, and access 6,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed vulnerability management services based in the United States at a glance

As of Nov 6, 2026
58.5%Verified-email coverage
38.5Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
149
11-50
92
51-200
42
201-500
1
501-1,000
1
1,001-5,000
5

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 290 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 vulnerability management 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 6,531 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.

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 vulnerability management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed vulnerability management services are there based in the United States?

RevenueBase identified 290 company matches for managed vulnerability management services 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?

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

Which city has the most managed vulnerability management services?

New York leads with 16 company records, followed by San Francisco (11) and Austin (9).

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 6,531 professional contacts with verified work emails tracked across these 290 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.