Company lists · Data refreshed November 2026

Top 25 Ics security companies worldwide

RevenueBase identified 4,294 company matches for ics security companies worldwide as of November 2026 and tracks 57,674 professional contacts across them, including 15,228 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ics security companies 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 5, 2026. Country and city lists for ics security companies 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 5, 2026 How this list was built
4,294Companies
57,674Contacts tracked
15,228Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest ics security companies worldwide

Ranked by team size
Top 25 of 4,294 company matches for ics security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 5, 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 5, 2026 · View company records in RevenueBase
2Exact matchBangalore, IndiaHQ recorded Nov 5, 20261,001-5,000755 contacts →

Exact match

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchEssen, GermanyHQ recorded Nov 5, 20261,001-5,000680 contacts →

Exact match

“secunet – We are the Guardians of Europe's Digital Freedom.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAshburn, VA, United StatesHQ recorded Nov 5, 2026501-1,000676 contacts →

Exact match

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchHanover, MD, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
6Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000658 contacts →

Exact match

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchParis, ItalyHQ recorded Nov 5, 2026501-1,000617 contacts →

Exact match

“Advens is a European, independent and outstanding leader in cybersecurity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 5, 2026501-1,000472 contacts →

Exact match

“CPX is redefining how nations and industries secure their future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchJakarta, IndonesiaHQ recorded Nov 5, 2026201-500423 contacts →

Exact match

“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSwedenHQ recorded Nov 5, 2026201-500360 contacts →

Exact match

“Prevent Breach & Minimize Impact”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500359 contacts →

Exact match

“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSantiago, ChileHQ recorded Nov 5, 2026201-500336 contacts →

Exact match

“Novared is a leading Security Services Provider founded in 1995.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchNashville, TN, United StatesHQ recorded Nov 5, 2026201-500328 contacts →

Exact match

“Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchReading, United KingdomHQ recorded Nov 5, 2026201-500327 contacts →

Exact match

“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchIndianapolis, United StatesHQ recorded Nov 5, 202610001+324 contacts →

Exact match

“Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSerra, BrazilHQ recorded Nov 5, 20261,001-5,000306 contacts →

Exact match

“Grupo SEI - is a facilities services company based out of Brazil.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchAl-khobar, Saudi ArabiaHQ recorded Nov 5, 2026201-500293 contacts →

Exact match

“NGMSA has been delivering a kingdom-wide, state of the art integrated security solution known as the command, control, and intelligence (C2I) system and HCIS-compliant security…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchWettingen, SwitzerlandHQ recorded Nov 5, 2026501-1,000290 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchTaipei City, MexicoHQ recorded Nov 5, 2026201-500280 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSanta Ana, CA, United StatesHQ recorded Nov 5, 2026201-500262 contacts →

Exact match

“Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSparks, MD, United StatesHQ recorded Nov 5, 2026201-500256 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 · Nov 5, 2026 · View company records in RevenueBase
22Exact matchOklahoma City, OK, United StatesHQ recorded Nov 5, 2026501-1,000251 contacts →

Exact match

“TriCorps is an integrated security and technology firm that specializes in providing cost effective, world-class services tailored to meeting the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Nov 5, 2026201-500248 contacts →

Exact match

“Alhambra es una compañía IT que ayuda a cualquier tipo de organización a proteger sus datos, sus comunicaciones y sus procesos contra todo tipo de incidentes a través de Servicios…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCedar Hill, TX, United StatesHQ recorded Nov 5, 2026201-500243 contacts →

Exact match

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBogotá, ColombiaHQ recorded Nov 5, 2026201-500241 contacts →

Exact match

“Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 4,294 ics security companies worldwide

See the full list, filter by size, metro and specialty, and access 15,228 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Ics security companies worldwide at a glance

As of Nov 5, 2026
26.4%Verified-email coverage
13.4Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,994
11-50
1,627
51-200
456
201-500
108
501-1,000
33
1,001-5,000
20
5,001-10,000
5
10001+
7

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 ics security companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “ics security companies” 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 15,228 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 5, 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.

Ics security companies by location

29 lists · largest first

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

Countries

Cities

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 “ics security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ics security companies are there worldwide?

RevenueBase identified 4,294 company matches for ics security companies 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 ics security companies?

The United States leads with 858 companies, followed by the United Kingdom (366) and India (259). Every ics security companies list by country and city is linked on this page.

Which city has the most ics security companies?

London leads with 91 company records, followed by Sao Paulo (41) and Dubai (34).

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 15,228 professional contacts with verified work emails tracked across these 4,294 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,294 ics security companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.