Company lists · Data refreshed September 2026

Top 25 Industrial control system security manufacturers worldwide

RevenueBase identified 926 company matches for industrial control system security manufacturers worldwide as of September 2026 and tracks 17,511 professional contacts across them, including 5,309 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for industrial control system security 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 September 28, 2026. Country and city lists for industrial control system security 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 Sep 28, 2026 How this list was built
926Companies
17,511Contacts tracked
5,309Verified emails
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The 25 largest industrial control system security manufacturers worldwide

Ranked by team size
Top 25 of 926 company matches for industrial control system security manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 2026201-5001,231 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 · Sep 28, 2026 · View company records in RevenueBase
2Exact matchTampa, FL, United StatesHQ recorded Sep 28, 2026501-1,0001,119 contacts →

Exact match

“OPSWAT protects critical infrastructure.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026501-1,000725 contacts →

Exact match

“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchAnoka, MN, United StatesHQ recorded Sep 28, 202610001+627 contacts →

Exact match

“nVent HOFFMAN leading designer and manufacturer of systems that safely and reliably protect the electronic controls and mission critical electrical systems in industrial, data…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchHanover, MD, United StatesHQ recorded Sep 28, 2026501-1,000551 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchBochum, GermanyHQ recorded Sep 28, 2026501-1,000386 contacts →

Exact match

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchAhmedabad, IndiaHQ recorded Sep 28, 2026201-500304 contacts →

Exact match

“Infopercept is a global cybersecurity company dedicated to transforming how organizations perceive and implement security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchYork, PA, United StatesHQ recorded Sep 28, 2026201-500282 contacts →

Exact match

“Under the Red Lion brand, HMS offers secure, scalable data access and control from edge to cloud.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchWettingen, SwitzerlandHQ recorded Sep 28, 2026501-1,000269 contacts →

Exact match

“As a leading IT security enterprise, the SITS Group stands for end-to-end security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSparks, MD, United StatesHQ recorded Sep 28, 2026201-500244 contacts →

Exact match

“For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchNoida, IndiaHQ recorded Sep 28, 2026201-500210 contacts →

Exact match

“A’nG INDIA specializes in Security surveillance, Fire Detection and CCTV products with system design and custom engineering being a major strength.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 2026201-500202 contacts →

Exact match

“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchExton, PA, United StatesHQ recorded Sep 28, 2026201-500188 contacts →

Exact match

“NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchPhoenix, AZ, United StatesHQ recorded Sep 28, 2026201-500175 contacts →

Exact match

“Vertech is an industrial control systems integration firm providing a complete range of engineering and technical services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchMilan, ItalyHQ recorded Sep 28, 2026201-500153 contacts →

Exact match

“From the merger of HWG srl and Sababa Security, HWG Sababa offers a complete suite of customized security solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Sep 28, 202651-200138 contacts →

Exact match

“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchNew Lenox, IL, United StatesHQ recorded Sep 28, 2026201-500129 contacts →

Exact match

“Single Source for Integrated Systems Quad Plus provides industrial control systems, solutions, and services to a variety of industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchRosh Haayin, IsraelHQ recorded Sep 28, 202651-200126 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 · Sep 28, 2026 · View company records in RevenueBase
19Exact matchTemecula, CA, United StatesHQ recorded Sep 28, 2026201-500117 contacts →

Exact match

“For 50 years, OEMs, machine builders, system integrators, and IT and operations personnel have looked to Opto 22 for innovative automation products at an affordable price.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchÖrnsköldsvik, SwedenHQ recorded Sep 28, 202651-200116 contacts →

Exact match

“Clavister is a Swedish cybersecurity company protecting organisations with mission-critical applications for over two decades.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchChristiansburg, VA, United StatesHQ recorded Sep 28, 202651-200116 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 · Sep 28, 2026 · View company records in RevenueBase
22Exact matchNew Germany, South AfricaHQ recorded Sep 28, 202651-200112 contacts →

Exact match

“We live in an increasingly volatile, uncertain and chaotic world characterised by ambiguity and constant change.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchMunich, GermanyHQ recorded Sep 28, 2026201-50096 contacts →

Exact match

“Rohde & Schwarz Cybersecurity is a leading IT security company that protects companies and public institutions around the world against cyberattacks.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBasingstoke, United StatesHQ recorded Sep 28, 202651-20094 contacts →

Exact match

“Nomios UK & I delivers advanced cybersecurity, networking, and managed services that help organisations protect critical assets, optimise performance, and accelerate business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20088 contacts →

Exact match

“Dedicated to securing the networks society depends on.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 926 industrial control system security manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 5,309 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial control system security manufacturers worldwide at a glance

As of Sep 28, 2026
30.3%Verified-email coverage
18.9Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
389
11-50
346
51-200
134
201-500
38
501-1,000
8
1,001-5,000
4
5,001-10,000
2
10001+
2

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 control system security manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial control system security 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 5,309 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 September 28, 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 control system security manufacturers by location

7 lists · largest first

Every Industrial control system security 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 control system security manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial control system security manufacturers are there worldwide?

RevenueBase identified 926 company matches for industrial control system security manufacturers worldwide as of September 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 control system security manufacturers?

The United States leads with 193 companies, followed by India (53) and the United Kingdom (44). Every industrial control system security manufacturers list by country and city is linked on this page.

Which city has the most industrial control system security manufacturers?

London leads with 16 company records, followed by Dubai (11) and Houston (11).

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 5,309 professional contacts with verified work emails tracked across these 926 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 September 28, 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.