Company lists · Data refreshed November 2026

Top 25 Industrial control systems security consulting companies worldwide

Name: Industrial control systems security consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 11,531 companies tracked

RevenueBase identified 11,531 company matches for industrial control systems security consulting companies worldwide as of November 2026 and tracks 154,628 professional contacts across them, including 48,550 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for industrial control systems security consulting 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 industrial control systems security consulting 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

11,531Companies

154,628Contacts tracked

48,550Verified emails

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The 25 largest industrial control systems security consulting companies worldwide

Ranked by team size

Top 25 of 11,531 company matches for industrial control systems security consulting 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Private Sector	Exact match	United StatesHQ recorded Nov 5, 2026	n/a	13,149 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Nov 5, 2026	10001+	6,031 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Nov 5, 2026	501-1,000	1,514 contacts →
	Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,346 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Rovisys	Exact match	Aurora, OH, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,293 contacts →
	Exact match “As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Forescout Technologies INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,236 contacts →
	Exact match “As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Prime Controls	Exact match	Lewisville, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	967 contacts →
	Exact match “Prime Controls was established as a Main Automation Contractor (MAC) to provide customers with a sole-source solution for industrial automation, controls, and I&C construction.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	S2grupo	Exact match	Valencia, SpainHQ recorded Nov 5, 2026	501-1,000	729 contacts →
	Exact match “We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	1,001-5,000	687 contacts →
	Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Secunet Security Networks AG	Exact match	Essen, GermanyHQ recorded Nov 5, 2026	1,001-5,000	680 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
12	Dragos, INC	Exact match	Hanover, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	670 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
13	Omegapoint	Exact match	Stockholm, SwedenHQ recorded Nov 5, 2026	501-1,000	635 contacts →
	Exact match “Omegapoint hjälper dig att utveckla och cybersäkra din digitala verksamhet.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	own.security	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	558 contacts →
	Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	201-500	553 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Securityhq	Exact match	London, United KingdomHQ recorded Nov 5, 2026	501-1,000	516 contacts →
	Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Aujas Cybersecurity	Exact match	Cupertino, United StatesHQ recorded Nov 5, 2026	1,001-5,000	514 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Palo Alto Networks Unit 42	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	510 contacts →
	Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Equans Digital	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	5,001-10,000	448 contacts →
	Exact match “Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	PCSS	Exact match	SingaporeHQ recorded Nov 5, 2026	501-1,000	433 contacts →
	Exact match “PCSS is a Singapore-based systems integrator with more than 25 years of experience and accolades in providing secure, reliable and state-of-the-art security solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	PT Itsec Asia TBK	Exact match	Jakarta, IndonesiaHQ recorded Nov 5, 2026	201-500	423 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
22	Acpl Systems	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	201-500	413 contacts →
	Exact match “ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	SK Shieldus	Exact match	경기도, South KoreaHQ recorded Nov 5, 2026	5,001-10,000	411 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Neverhack	Exact match	Paris, FranceHQ recorded Nov 5, 2026	1,001-5,000	400 contacts →
	Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Kudelski Security	Exact match	Cheseaux, TX, United StatesHQ recorded Nov 5, 2026	201-500	392 contacts →
	Exact match “Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial control systems security consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,531 industrial control systems security consulting companies worldwide

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Industrial control systems security consulting companies worldwide at a glance

As of Nov 5, 2026

31.4%Verified-email coverage

13.4Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

6,649

11-50

3,672

51-200

914

201-500

179

501-1,000

1,001-5,000

5,001-10,000

10001+

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 systems security consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial control systems security consulting 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 48,550 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.

Industrial control systems security consulting companies by location

117 lists · largest first

Every Industrial control systems security consulting 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 “industrial control systems security consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial control systems security consulting companies are there worldwide?

RevenueBase identified 11,531 company matches for industrial control systems security consulting 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?

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

Which country has the most industrial control systems security consulting companies?

The United States leads with 2,849 companies, followed by India (781) and the United Kingdom (747). Every industrial control systems security consulting companies list by country and city is linked on this page.

Which city has the most industrial control systems security consulting companies?

London leads with 270 company records, followed by Paris (134) and Dubai (122).

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 48,550 professional contacts with verified work emails tracked across these 11,531 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.

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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.