Company lists · Data refreshed November 2026

Top 17 Firewall manufacturers based in the United States

RevenueBase identified 44 company matches for firewall manufacturers associated with the United States as of November 2026 and tracks 873 professional contacts across them, including 124 with verified work emails. Atlanta is the largest hub.

This list covers company matches for firewall manufacturers 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
44Companies
873Contacts tracked
124Verified emails
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The 17 largest firewall manufacturers based in the United States

Ranked by team size
Top 17 of 44 company matches for firewall manufacturers 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 matchMarlborough, MA, United StatesHQ recorded Nov 6, 20265,001-10,000418 contacts →

Exact match

“3Com Corporation is a $1.3 billion global enterprise networking solutions provider that sets a new price/performance standard for customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBroomfield, CO, United StatesHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“eSoft is a leader in providing Simply Better Network Security™ to businesses of nearly any size.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Secure networks start here.™ Netgate is focused on delivering secure high-performance network connectivity for everyone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchVista, CA, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Protectli is a leading provider of network security hardware, offering innovative solutions for firewalls, routers, NAS, VPNs, and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Firewalla is enterprise security made simpler, built for professional users who want deeper visibility, policy control, segmentation, VPN, threat protection, zero trust network…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Calyptix Security helps small and medium offices secure their networks so they can raise profits, protect investments, and control technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a13 contacts →

Exact match

“Comprehensive network security coverage across clouds for unparalleled visibility and context across your infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMckeesport, PA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“CybX is a cybersecurity innovation and development company led by a veteran team with varied experience in enterprise security system design, development, and deployment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-5002 contacts →

Exact match

“Yama Industrials Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSouthlake, TX, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Comware is an industry-leading provider of network security solutions including products, professional services, and implementation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSpringfield, MA, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We protect you from the Internet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchChapel Hill, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Although we can deliver on many fronts, our goal is to come alongside network security vendors, partners and/or clients, with unique and urgent resource demands, and remotely…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Mateo, MN, United StatesHQ recorded Nov 6, 202651-2001 contacts →

Exact match

“IVO Networks is a Microsoft Authorized OEM design, manufacturer and distributor of hardened network edge appliances and network security software solutions for Microsoft…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKing Of Prussia, PA, United StatesHQ recorded Nov 6, 202611-501 contacts →

Exact match

“VES Fire Detection Systems (a Hochiki America Company) was founded with one mission: to give dealers a comprehensive, cost-effective means of providing fire detection networks for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNorfolk, VA, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Cronus Cybersecurity (formerly known as TechCorp Solutions) is a technology provider founded with the vision of making network security, remote access, and endpoint device…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJohnstown, CO, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Computer Security Solutions specializes in BEST OF BREED computer security solutions (software based and hardware based security solutions)- the kind of protection system that…”

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

Showing 17 of 44 firewall manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 124 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Firewall manufacturers based in the United States at a glance

As of Nov 6, 2026
14.2%Verified-email coverage
19.8Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · Atlanta
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
19
11-50
15
51-200
5
201-500
2
5,001-10,000
2
10001+
1

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 44 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 “firewall manufacturers” 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 124 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 “firewall manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many firewall manufacturers are there based in the United States?

RevenueBase identified 44 company matches for firewall manufacturers 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?

3com tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most firewall manufacturers?

Atlanta leads with 2 company records, followed by Las Vegas (2) and San Carlos (2).

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 124 professional contacts with verified work emails tracked across these 44 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.