Company lists · Data refreshed September 2026

Top 25 Information security engineers worldwide

RevenueBase identified 453 company matches for information security engineers worldwide as of September 2026 and tracks 16,904 professional contacts across them, including 1,068 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for information security engineers 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 information security engineers 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
453Companies
16,904Contacts tracked
1,068Verified emails
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The 25 largest information security engineers worldwide

Ranked by team size
Top 25 of 453 company matches for information security engineers 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 matchUnited StatesHQ recorded Sep 28, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchCedar Hill, TX, United StatesHQ recorded Sep 28, 2026201-500255 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 · Sep 28, 2026 · View company records in RevenueBase
3Exact matchМосква, RussiaHQ recorded Sep 28, 2026501-1,000227 contacts →

Exact match

“Russia's leading IS system integrator ZAO NIP Informzaschita (CJSC Scientific Research Enterprise Information Security (Infosec)) focuses on ensuring the information security (IS)…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBogotá, ColombiaHQ recorded Sep 28, 2026201-500210 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 · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWarszawa, PolandHQ recorded Sep 28, 2026201-500191 contacts →

Exact match

“Enigma Systemy Ochrony Informacji (Enigma Information Security Systems) was founded in 1993 on the initiative of workers and graduates of Warsaw University of Technology…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchGouda, NetherlandsHQ recorded Sep 28, 2026201-500152 contacts →

Exact match

“Wij ontwerpen, implementeren en beheren veilige IT-infrastructuur en Cybersecurity Services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchNeu-isenburg, GermanyHQ recorded Sep 28, 202651-200130 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchPaderborn, GermanyHQ recorded Sep 28, 202651-20081 contacts →

Exact match

“neam IT-Services GmbH – founded in 1996 – is a Systems Integrator based in Paderborn, Germany and operating in various projects all over Europe.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchMoscow, RussiaHQ recorded Sep 28, 202651-20075 contacts →

Exact match

“Компания АСТ – системный интегратор, специализирующийся на реализации комплексных проектов и решений в сфере информационной безопасности.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchOrlando, FL, United StatesHQ recorded Sep 28, 202651-20070 contacts →

Exact match

“Transforms Information Assurance and Systems Engineering into best-value solutions for the Federal Government, DoD, and commercial industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchCarnaxide, PortugalHQ recorded Sep 28, 202611-5070 contacts →

Exact match

“Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchUlm, GermanyHQ recorded Sep 28, 202651-20069 contacts →

Exact match

“ditis - The Security Company!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchDulles, VA, United StatesHQ recorded Sep 28, 202611-5061 contacts →

Exact match

“We specialize in providing comprehensive cyber security solutions by leveraging our information security background in the GovCon and military experiences to serve the federal…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchColumbia, MD, United StatesHQ recorded Sep 28, 202651-20057 contacts →

Exact match

“We operate at the intersection of network engineering and cybersecurity, providing secure, scalable, and high-performing architectures for our customers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchColumbia, MD, United StatesHQ recorded Sep 28, 202651-20053 contacts →

Exact match

“Constellation Technologies, Inc.(CTI) provides cyber engineers, integrators, administrators and experts that have the right blending of experiences and multi-spectral knowledge…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchMedina, TX, United StatesHQ recorded Sep 28, 202651-20041 contacts →

Exact match

“As an IT engineering, cyber engineering, cabling and consulting firm, EOA Technologies, LLC, provides an extensive range of services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchColombo 05, Sri LankaHQ recorded Sep 28, 202611-5040 contacts →

Exact match

“SentryLabs is a pure play cyber security company that aims to bring the latest cutting-edge security services, solutions and consultancies to ensure the safe and secure operations…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchPoznań, PolandHQ recorded Sep 28, 202651-20036 contacts →

Exact match

“Specjalizujemy się w projektowaniu, budowie, wdrażaniu i utrzymaniu kompleksowych systemów bezpieczeństwa wraz z dedykowanymi instalacjami komunikacyjnymi i zasilającymi różnych…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchStockholm, SwedenHQ recorded Sep 28, 202611-5035 contacts →

Exact match

“At Subset, we specialize in cybersecurity, information security, and secure system development for clients with the highest demands, such as the defense forces, defense industry…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-5027 contacts →

Exact match

“Founded in 2018, TrustThink provides cybersecurity engineering and system-of-systems assurance for complex, connected products and platforms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchKötz, GermanyHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“Die esko-systems GmbH betreut Mittelstands- und Industriekunden in allen Fragen der IT-Sicherheit.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSaint Cloud, United StatesHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“CyberMaker – Sécuriser les entreprises, former les experts CyberMaker est né d’un constat : la cybersécurité souffre d’une pénurie critique de talents.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchBristol, United KingdomHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“i3Secure is a cyber security and information assurance consultancy protecting the confidentiality, integrity and availability of data across defence, public and private sectors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchŁódź, PolandHQ recorded Sep 28, 202611-5023 contacts →

Exact match

“Ikaria to ekspert bezpieczeństwa IT.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchВолгоград, RussiaHQ recorded Sep 28, 202651-20023 contacts →

Exact match

“За каждой сильной структурой управления, лидерами государства или влиятельными корпорациями всегда стоят те, кто готов предотвратить внешние и внутренние угрозы.”

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

Showing 25 of 453 information security engineers worldwide

See the full list, filter by size, metro and specialty, and access 1,068 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information security engineers worldwide at a glance

As of Sep 28, 2026
6.3%Verified-email coverage
37.3Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Paris
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
268
11-50
138
51-200
33
201-500
9
501-1,000
2
1,001-5,000
1
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 information security engineers are linked below.
What qualifies
Company records worldwide whose business descriptions match “information security engineers” 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 1,068 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.

Information security engineers by location

2 lists · largest first

Every Information security engineers 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 “information security engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information security engineers are there worldwide?

RevenueBase identified 453 company matches for information security engineers 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?

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

Which country has the most information security engineers?

The United States leads with 85 companies, followed by Germany (28). Every information security engineers list by country and city is linked on this page.

Which city has the most information security engineers?

Paris leads with 8 company records, followed by Stockholm (6) and Ciudad De Mexico (4).

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 1,068 professional contacts with verified work emails tracked across these 453 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.