Company lists · Data verified August 2026

Top 25 Cybersecurity for industrial systems based in Germany

Name: Cybersecurity for industrial systems based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 142 companies tracked

There are 142 cybersecurity for industrial systems headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 2,575 professional contacts across them, including 808 with verified work emails and 53 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity for industrial systems headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

142Companies

2,575Contacts tracked

808Verified emails

53Mobile numbers

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The 25 largest cybersecurity for industrial systems based in Germany

Ranked by team size

Top 25 of 142 cybersecurity for industrial systems based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Secunet Security Networks AG	Essen	1,001-5,000	620	59
2	G Data Cyberdefense	Bochum	501-1,000	389	154
3	Telekom Security	Bonn	1,001-5,000	360	183
4	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
5	Secuinfra Gmbh	Berlin	51-200	71	44
6	Water IT Security & Defense	Dusseldorf	51-200	55	20
7	BDO Cyber Security Gmbh	Dusseldorf	51-200	38	19
8	Admeritia Gmbh	Langenfeld	11-50	37	17
9	Sama Partners Business Solutions Gmbh	Mannheim	51-200	33	14
10	Ausecus Gmbh	Augsburg	11-50	31	20
11	Rhebo OT & Iiot Security	Leipzig	11-50	27	17
12	Allgeier Cyris Gmbh	Bremen	51-200	27	14
13	Cyqueo	Munchen	11-50	27	13
14	Endian	Germering	11-50	24	16
15	Consistec Engineering & Consulting Gmbh	Saarbruecken	51-200	24	1
16	Enbw Cyber Security Gmbh	Karlsruhe	11-50	22	13
17	Incyde	Leipzig	11-50	20	12
18	Cyber Samurai Gmbh	Vaterstetten	11-50	16	10
19	BXC Security	Hallbergmoos	11-50	16	9
20	Keepbit	Augsburg	11-50	14	5
21	Artada Gmbh	Werl	11-50	13	8
22	Basec Gmbh - Secure IT	Deidesheim	11-50	12	6
23	Data-Sec Gmbh	March	11-50	12	5
24	Fernao Magellan Gmbh	Koln	201-500	12	1
25	Umbrella Unternehmensberatung Gmbh	Berlin	11-50	11	7

Showing 25 of 142 cybersecurity for industrial systems based in Germany

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Cybersecurity for industrial systems based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 17 HQs

53Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity for industrial systems by metro

Metro	Companies
Cybersecurity for industrial systems in Berlin	17
Cybersecurity for industrial systems in Koln	7
Cybersecurity for industrial systems in Frankfurt	5
Cybersecurity for industrial systems in Dusseldorf	5
Cybersecurity for industrial systems in Bochum	3
Cybersecurity for industrial systems in Bonn	3
Cybersecurity for industrial systems in Munchen	3
Cybersecurity for industrial systems in Leipzig	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity for industrial systems”, with match quality audited by blind human judging, and headquartered in Germany.
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: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity for industrial systems are there based in Germany?

There are 142 cybersecurity for industrial systems headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Secunet Security Networks AG, headquartered in Essen, tops this list with the largest team on record.

Which city has the most cybersecurity for industrial systems?

Berlin leads with 17 headquartered companies, followed by Koln (7) and Frankfurt (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 808 verified decision-maker contacts tracked across these 142 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.