Company lists · Data refreshed November 2026

Top 25 Industrial firewall manufacturers worldwide

RevenueBase identified 218 company matches for industrial firewall manufacturers worldwide as of November 2026 and tracks 4,605 professional contacts across them, including 1,477 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for industrial firewall manufacturers worldwide, 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. Country and city lists for industrial firewall manufacturers follow the table.

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
218Companies
4,605Contacts tracked
1,477Verified emails
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The 25 largest industrial firewall manufacturers worldwide

Ranked by team size
Top 25 of 218 company matches for industrial firewall manufacturers worldwide, 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 matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-5001,333 contacts →

Exact match

“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHanover, MD, United StatesHQ recorded Nov 6, 2026501-1,000670 contacts →

Exact match

“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchTaipei City, MexicoHQ recorded Nov 6, 2026201-500280 contacts →

Exact match

“TXOne Networks is the operations-first OT security partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRosh Haayin, IsraelHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Through our software-enabled hardware platforms, we enable secure and reliable operations, protecting against both today’s cybersecurity challenges and those yet to come.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChristiansburg, VA, United StatesHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Dispel delivers security that makes industrial operations run faster.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026501-1,00085 contacts →

Exact match

“Sophos Technologies Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFoxborough, MA, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Industrial Defender protects the world’s critical infrastructure from cyberattacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, KY, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“Verve Industrial Protection has ensured reliable and secure industrial control systems for 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Omny protects industrial companies against cybersecurity threats by providing both holistic visibility into Operational Technology (OT) environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDammam, PA, Saudi ArabiaHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Invictux is a trusted provider of focused OT/ICS cybersecurity services, covering/encompassing, implementation, integration, and managed services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“ESSWAY Cyber Security Solutions is a global leader in comprehensive cybersecurity, formed in 2023 as a joint venture between Esskay and Way11.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVienna, VA, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Corsha securely connects the operational systems that run our world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Located in Irvine, California, TC Communications, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTel Aviv, IsraelHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“We believe there should be no compromise on ICS or OT security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Sebastián, SpainHQ recorded Nov 6, 202611-5037 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPoznań, PolandHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“ICsec offers cybersecurity solutions dedicated to industrial networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHagenberg, AustriaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Limes Security GmbH is the leading OT Security expert in the German-speaking region of Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHalifax, NS, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Our world has changed dramatically over the last 10-15 years with an explosion of mobile devices, IoT, cloud computing, and the shift to work-from-home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAl Corniche, Saudi ArabiaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“At CQR, we are at the forefront of innovative cyber solutions, dedicated to securing and fortifying Operational technology (OT) infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Microminder Cyber Security is the trusted partner for safeguarding Operational Technology (OT) and Critical National Infrastructure (CNI) across the GCC, UK, and beyond.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHaifa, IsraelHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We have secured networks throughout the world since 2002.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLeipzig, GermanyHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Rhebo provides simple and effective cybersecurity solutions for Operational Technology and distributed industrial assets for the energy sector, critical infrastructure and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBolzano, TX, ItalyHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Endian is a European cybersecurity vendor dedicated to simplifying IT & OT security in order to help create a safer digital world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOklahoma City, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“At SkyHelm, our mission is to protect America’s critical infrastructure technology.”

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

Showing 25 of 218 industrial firewall manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 1,477 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial firewall manufacturers worldwide at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
21.1Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
75
51-200
34
201-500
3
501-1,000
4
5,001-10,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for industrial firewall manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial 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. 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 1,477 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.

Industrial firewall manufacturers by location

1 lists · largest first

Every Industrial firewall manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many industrial firewall manufacturers are there worldwide?

RevenueBase identified 218 company matches for industrial firewall manufacturers worldwide 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?

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

Which country has the most industrial firewall manufacturers?

The United States leads with 46 companies. Every industrial firewall manufacturers list by country and city is linked on this page.

Which city has the most industrial firewall manufacturers?

London leads with 9 company records, followed by Houston (4) and Dubai (3).

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 1,477 professional contacts with verified work emails tracked across these 218 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.