Company lists · Data refreshed September 2026

Top 25 Industrial control system security firms based in Belgium

Name: Industrial control system security firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 76 companies tracked

RevenueBase identified 76 company matches for industrial control system security firms associated with Belgium as of September 2026 and tracks 988 professional contacts across them, including 433 with verified work emails. Antwerp is the largest hub.

This list covers company matches for industrial control system security firms associated with Belgium, 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.

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

76Companies

988Contacts tracked

433Verified emails

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The 25 largest industrial control system security firms based in Belgium

Ranked by team size

Top 25 of 76 company matches for industrial control system security firms based in Belgium, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nviso Security	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	201-500	315 contacts →
	Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Approach Cyber	Exact match	Mont-saint-guibert, BelgiumHQ recorded Sep 28, 2026	51-200	88 contacts →
	Exact match “Approach Cyber is a trusted cyber resilience partner supporting organizations across Belgium and Switzerland.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Alertis NV	Exact match	Roeselare, BelgiumHQ recorded Sep 28, 2026	51-200	85 contacts →
	Exact match “Alertis NV is een van de belangrijkste spelers in branddetectie in Vlaanderen met een heldenteam van 125 gepassioneerde professionals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Iss-Security	Exact match	Linkebeek, BelgiumHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Since its foundation more than 30 Years ago, ISS has been providing technologies that combine innovation, quality and reliability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	DC Security	Exact match	Hulshout, BelgiumHQ recorded Sep 28, 2026	1-10	21 contacts →
	Exact match “DC Security staat reeds meer dan 30 jaar garant voor een totaaloplossing inzake de beveiliging van particulieren en bedrijven.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Thales Cyber Solutions Belgium	Exact match	BelgiumHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “At Thales Cyber Solutions Belgium, we strive for security & privacy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Cresco Cybersecurity	Exact match	Belgium France Luxembourg Netherlands, BelgiumHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “Cresco is your partner in cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Rombit Solutions	Exact match	Antwerp, BelgiumHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Your Safety & Security partner!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	MVH Security	Exact match	Sint-niklaas, BelgiumHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “MVH Security staat voor KWALITEIT – BETROUWBAARHEID – EERLIJKHEID - SOEPELHEID – SERVICE - SNELHEID Al deze troeven wensen wij dagelijks in te zetten voor zowel de particuliere…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Cobra-Technology	Exact match	Erpe-mere, BelgiumHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Uw beveiligingsfirma in Oost-Vlaanderen ACTIEF IN 5 DOMEINEN In 2007 richtte Hans Rottiers de beveiligingsfirma Cobra Technology op.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Easi Network	Exact match	Vise, BelgiumHQ recorded Sep 28, 2026	1-10	11 contacts →
	Exact match “EASI Network : Société de services et de conseils active dans les réseaux informatiques, IoT et télécoms à destination des entreprises et des institutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Soterics, Your End-To-End Partner In OT Security	Exact match	Kontich, BelgiumHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Soterics is more than a service provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Curios	Exact match	Antwerp, BelgiumHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Curios is a boutique cybersecurity and compliance consultancy in Antwerp, serving enterprises across Belgium and Europe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Spinae	Exact match	Ghent, BelgiumHQ recorded Sep 28, 2026	11-50	9 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 · Sep 28, 2026 · View company records in RevenueBase
15	Korelec Bvba	Exact match	Kuurne, BelgiumHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Korelec bvba is als erkende en INCERT-gecertificeerde beveiligingsonderneming B-1531 gespecialiseerd in ontwerp, installatie en onderhoud van inbraakbeveiliging, camerabewaking…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Goozz Security BV	Exact match	Brugge, BelgiumHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Goozz is gespecialiseerd in de installatie en het onderhoud van inbraak- en branddetectiesystemen, camerabewaking en toegangscontrole.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Defend-Ot	Exact match	Kampenhout, BelgiumHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Protecting What Keeps the World Running At Defend-OT, we specialize in cybersecurity for Operational Technology (OT) and forming the bridge between IT, helping organizations…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Firesafe Solutions BBS Engineering BV	Exact match	Kuurne, BelgiumHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Firesafe Solutions is gespecialiseerd in brandveiligheid en geïntegreerde beveiligingsoplossingen voor bedrijven, industrie, overheden en kritieke infrastructuur.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Aspida	Exact match	Bruges, BelgiumHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “At, we understand the unique challenges of securing Operational Technology environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Sterkens Security NV	Exact match	Beerse, BelgiumHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “Sterkens Security biedt u meer dan 40 jaar ervaring in beveiliging.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Guardis	Exact match	Hannut, BelgiumHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Guardis helps organizations design, secure and operate their IT infrastructure, from cloud-native environments to industrial systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Soteria	Exact match	Ghent, BelgiumHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Experten in IT en OT Cyberveiligheid - Cybersecurity diensten op maat van uw organisatie- Security doorlichtingen, audits, pen-tests - NIS2, Cyfun en ISO27001 begeleidingen -…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Mvdh Security	Exact match	Destelbergen, BelgiumHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “MVDH Security levert en installeert beveiliging in een spectrum van toepassingen en configuraties.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Infosec4you	Exact match	Bruxelles Bruxelles, BelgiumHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match “INFOSEC4YOU est une Start-up spécialisée exclusivement dans la cybersécurité, nous protégeons les données, les entreprises et les citoyens contre la cybercriminalité et les…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Cybervalue	Exact match	Leuven, BelgiumHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “He who defends everything, defends nothing” - No IT Security team can monitor every application, network, system and information asset that a company has, no incident response…” Recorded in the RevenueBase company graph · Sep 28, 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 system security firms”. 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 76 industrial control system security firms based in Belgium

See the full list, filter by size, metro and specialty, and access 433 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial control system security firms based in Belgium at a glance

As of Sep 28, 2026

43.8%Verified-email coverage

13.0Average contacts per company

1-10Median size (employees)

5.3%Largest-city concentration · Antwerp

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 76 companies.

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.
What qualifies: Company records associated with Belgium whose business descriptions match “industrial control system security firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 433 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.

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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial control system security firms are there based in Belgium?

RevenueBase identified 76 company matches for industrial control system security firms associated with Belgium 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?

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

Which city has the most industrial control system security firms?

Antwerp leads with 4 company records, followed by Brussels (3) and Erpe-Mere (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 433 professional contacts with verified work emails tracked across these 76 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.