Company lists · Data refreshed November 2026

Top 25 Industrial control system auditors worldwide

RevenueBase identified 143 company matches for industrial control system auditors worldwide as of November 2026 and tracks 1,187 professional contacts across them, including 469 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for industrial control system auditors 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 control system auditors 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
143Companies
1,187Contacts tracked
469Verified emails
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The 25 largest industrial control system auditors worldwide

Ranked by team size
Top 25 of 143 company matches for industrial control system auditors 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 matchChantilly, United StatesHQ recorded Nov 6, 20261,001-5,000194 contacts →

Exact match

“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEssen, GermanyHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5074 contacts →

Exact match

“Matrix3D, a CERT-In Empanelled organization, helps make your business secure and resilient through detailed IT assessments and audits, with clear gap analysis and strong…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMondragon, SpainHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Orbik Cybersecurity is the first technology-based cooperative startup created in the Basque Country, born from the alliance between MONDRAGON and IKERLAN.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPune, IndiaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“SAS Powertech Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchMannheim, GermanyHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“SAMA PARTNERS Business Solutions ist ein unabhängiges Beratungs- und Engineering-Unternehmen mit Hauptsitz in Mannheim, mit den Schwerpunkten Informationssicherheit, KI und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Securicon provides expert consulting for application, system and network security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPlain City, OH, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Martin Control Systems, MartinCSI, is an industrial control system and automation integrator located in the Columbus, Ohio area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEl Dorado Hills, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Consilium Labs is an independent conformity assessment body delivering objective, standards-based audits and assessments for organizations operating in security, privacy, AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Formerly known as Nol-Tec Systems SE, Trutegra provides industrial control systems integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBreda, NetherlandsHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“2-Control is an IT audit organization and offers support in providing insight into and improving the reliability of automated information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBraintree, MA, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“At OCD Tech, we provide independent and objective assurance of your IT controls.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPuteaux, FranceHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“L'évolution constante des usages numériques et des actes malveillants en découlant ont engendré un besoin toujours plus important en matière de protection des systèmes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGandhinagar, IndiaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Arishti Info Labs works to safeguard the industrial civilization from cybersecurity threats and risks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“CompCiti has been providing IT auditing, compliance, security and management services for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Inavant exists to build reliable, secure, and effective industrial control systems and networks, and enable our clients to steward their people and equipment using 21st century…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKennedy Space Center, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“SecureXperts, Incorporated, “SXI”, founded in 2001 by a team of industry experts in cybersecurity, is recognized as an industry leader in the evaluation of cyber security posture…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRome, ItalyHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“CYSKE è una realtà specializzata nel campo della cybersecurity, sicurezza OT (Operational Technology), safety e compliance normativa, nata dall’unione di competenze digitali e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBelfast, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Cyber Guarded is a vendor independent business which provides Cyber Security auditing and testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGhent, BelgiumHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Spinae provides independent advice and support to companies regarding information security, industrial control system security (ICS security) and computer networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“PM SCADA Cyber Defense was founded in 2009 by leading cybersecurity architects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKorneuburg, AustriaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“SEC4YOU ist ein produktunabhängiges Prüfungs- und Beratungsunternehmen im Bereich der IT- und Informationssicherheit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 6, 20261-109 contacts →

Exact match

“CYBER ICS is specialized in auditing and securing critical infrastructures.”

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

Showing 25 of 143 industrial control system auditors worldwide

See the full list, filter by size, metro and specialty, and access 469 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial control system auditors worldwide at a glance

As of Nov 6, 2026
39.5%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
91
11-50
42
51-200
9
1,001-5,000
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 control system auditors are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial control system auditors” 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 469 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 control system auditors by location

1 lists · largest first

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

How many industrial control system auditors are there worldwide?

RevenueBase identified 143 company matches for industrial control system auditors 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?

Ampcus Cyber 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 auditors?

The United States leads with 34 companies. Every industrial control system auditors list by country and city is linked on this page.

Which city has the most industrial control system auditors?

New York leads with 3 company records, followed by London (2) and Paris (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 469 professional contacts with verified work emails tracked across these 143 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.