Company lists · Data refreshed November 2026

Top 25 Managed firewall providers based in the United States

RevenueBase identified 210 company matches for managed firewall providers associated with the United States as of November 2026 and tracks 1,912 professional contacts across them, including 874 with verified work emails. Miami is the largest hub.

This list covers company matches for managed firewall providers 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
210Companies
1,912Contacts tracked
874Verified emails
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The 25 largest managed firewall providers based in the United States

Ranked by team size
Top 25 of 210 company matches for managed firewall providers 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 matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 20261,001-5,000112 contacts →

Exact match

“With over 25 years of expertise, PDI Security and Network Solutions (formerly known as Nuspire) is redefining cybersecurity and network management through intelligent unification…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWilmington, DE, United StatesHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“TechSolutions provides a very different approach to managing your firm’s computers, network & data… so you can focus on growing your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Your job is not to manage IT infrastructure or Cybersecurity risk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Combining robust human and AI powered cyber security measures with efficient IT management, our business delivers comprehensive solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchAllen, TX, United StatesHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Since 2003, Infonaligy has been providing Enterprise-class managed security and IT services to small and medium businesses across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Firewalls.com offers cutting edge products and services designed to provide cost-effective IT solutions in the age of information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“As America's #1 ranked MSSP on the Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“EGiS is a derivative of the Greek word Aegis, it means “under the protection of”.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAmerican Fork, UT, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“AnchorSix is a Utah-based Managed IT and Cybersecurity provider for small and midsize businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSpringdale, AR, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“MANAGED CYBER SECURITY An ideal service for companies whose employees are not specifically trained in cyber security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPensacola, FL, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“CyberTek provides industry leading IT managed services to help businesses reduce down time, prevent data loss and control their technology costs to keep them competitive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Recon offers the best Managed Security Operations on the planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHagerstown, MD, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“SOCsoter is the complete Managed Security Service Provider with TRUE comprehensive, end to end solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRichmond, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Network Data Security Experts is a growing IT Support and managed security services provider, specializing in IT security and consulting in Richmond and Charlotte.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnn Arbor, MI, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Secure Computer Network Solutions for the 21st Century Work with the Experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchYaphank, NY, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Cohere offers managed security and IT infrastructure services all under one roof.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEl Paso, TX, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Masser Technologies (MT) is a skilled managed security service provider (MSSP) with experience delivering remote and onsite customer service across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNewburyport, MA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Partnering with Axis Computer Networks as your managed-services provider gives you the confidence to run your small- to mid-sized business the way you want.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“ITque is a leading Managed IT Security & Services Provider specializing in network and data security.”

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

Showing 25 of 210 managed firewall providers based in the United States

See the full list, filter by size, metro and specialty, and access 874 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed firewall providers based in the United States at a glance

As of Nov 6, 2026
45.7%Verified-email coverage
9.1Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · Miami
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
67
51-200
15
201-500
2
1,001-5,000
2

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 210 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 firewall providers” 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 874 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 firewall providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed firewall providers are there based in the United States?

RevenueBase identified 210 company matches for managed firewall providers 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?

Global Linking Solutions, Charlotte, North Carolina tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most managed firewall providers?

Miami leads with 5 company records, followed by Tampa (5) and Atlanta (4).

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 874 professional contacts with verified work emails tracked across these 210 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.