Company lists · Data refreshed November 2026

Top 25 Value-added communication system suppliers based in Germany

RevenueBase identified 105 company matches for value-added communication system suppliers associated with Germany as of November 2026 and tracks 753 professional contacts across them, including 321 with verified work emails. Berlin is the largest hub.

This list covers company matches for value-added communication system suppliers associated with Germany, 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 3, 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 Nov 3, 2026 How this list was built
105Companies
753Contacts tracked
321Verified emails
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The 25 largest value-added communication system suppliers based in Germany

Ranked by team size
Top 25 of 105 company matches for value-added communication system suppliers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchDüsseldorf, GermanyHQ recorded Nov 3, 2026201-500171 contacts →

Exact match

“Transform your business DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchLandshut, GermanyHQ recorded Nov 3, 202651-20064 contacts →

Exact match

“Die abel & käufl Mobilfunkhandels GmbH mit Hauptsitz in Landshut gehört seit 30 Jahren zu den führenden Anbietern professioneller Kommunikationstechnik.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchBreitengüßbach, GermanyHQ recorded Nov 3, 202651-20030 contacts →

Exact match

“Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchWolfsburg, GermanyHQ recorded Nov 3, 202651-20030 contacts →

Exact match

“Die TERMATH AG liefert maßgeschneiderte Lösungen im Bereich Kommunikationssysteme, Netzwerksysteme und Sicherheitssysteme sowie Service für Gewerbe, Industrie- und Großkunden.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchMunich, GermanyHQ recorded Nov 3, 202651-20026 contacts →

Exact match

“Das MTG Systemhaus ist mit seinen 170 Mitarbeitern in München und Leipzig zuhause und bietet bundesweit umfangreiche Leistungen zu- Kommunikationstechnik - Sicherheitstechnik -…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchBörwang, GermanyHQ recorded Nov 3, 202651-20025 contacts →

Exact match

“Die OFF Telekommunikation GmbH ist DER Partner für moderne Kommunikationslösungen.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchMunich, GermanyHQ recorded Nov 3, 202651-20017 contacts →

Exact match

“CTT Computertechnik AG Gestern, heute, morgen – Bereits seit 1979 sind wir ein dynamische und starker Value-Added-IT-Distributior mit den Schwerpunkten in den Bereichen Server…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchMannheim, GermanyHQ recorded Nov 3, 202611-5015 contacts →

Exact match

“MBC – DAS ITK-SYSTEMHAUS FÜR MODERNE TELEKOMMUNIKATION MBC ist eines der führenden Systemhäuser für ITK & Telekommunikation in der Metropolregion Rhein-Neckar und ist seit über 30…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchBalingen, GermanyHQ recorded Nov 3, 202611-5014 contacts →

Exact match

“Systemspezialisten für IT- und Telekommunikation mit Fokus auf tiefe Integrationen individueller Geschäftsprozesse und Lösungen.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchFriedrichsdorf, GermanyHQ recorded Nov 3, 202611-5013 contacts →

Exact match

“WIR VERBINDEN BUSINESS TEAMS!”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchBerlin, GermanyHQ recorded Nov 3, 20261-1013 contacts →

Exact match

“Ob kleines Büro oder Mittelstand Unternehmen jeder Größe profitieren von unseren innovativen Kommunikationslösungen, die den unterschiedlichen Anforderungen optimal angepasst und…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchMünster, GermanyHQ recorded Nov 3, 202611-5012 contacts →

Exact match

“o-byte.com ist ein mittelständisches ITK-Systemhaus aus der Fahrradstadt Münster mit Standorten in Köln und Lüdenscheid.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchWürzburg, GermanyHQ recorded Nov 3, 202611-509 contacts →

Exact match

“IT-Systemhaus mit Herz - Netzwerk - IT - Kommunikation - Alarm - Video.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchLangenhagen, GermanyHQ recorded Nov 3, 202611-508 contacts →

Exact match

“Die Bedürfnisse unserer Kunden bei der Kommunikation haben wir immer im Blick.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchStuttgart, GermanyHQ recorded Nov 3, 20261-108 contacts →

Exact match

“Comconic ist seit 1996 im liberalisierten Markt der ITK tätig und verfügt daher als Partner nahezu aller namhaften Anbieter von Sprach- & Datenkommunikation über eine große…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchBerlin, GermanyHQ recorded Nov 3, 202611-508 contacts →

Exact match

“Wir sind als Systemhaus seit über 30 Jahren am Kommunikationsmarkt erfolgreich tätig.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchOsnabrück, GermanyHQ recorded Nov 3, 202611-507 contacts →

Exact match

“Beratung, Planung & Realisierung von ITK Systemen Hard- & Softwarelösungen Installation und Wartung von Telefonanlagen, Software- und UC-Lösungen Seit über 25 Jahren ist die DEK…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchFürth, GermanyHQ recorded Nov 3, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchHirschberg An Der Bergstraße, GermanyHQ recorded Nov 3, 202611-507 contacts →

Exact match

“SKC GmbH – Zuverlässige Kommunikation.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact match29331 Lachendorf, GermanyHQ recorded Nov 3, 202611-506 contacts →

Exact match

“Steffel entwickelt effiziente und zukunftsfähige Komplettlösungen für den gesamten Kommunikationsbereich – von der Vernetzung verschiedener Standorte über Unified Communications…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchMalsch, GermanyHQ recorded Nov 3, 202611-506 contacts →

Exact match

“Bechler Kommunikationstechnik GmbH – Ihre Experten für moderne Kommunikationslösungen Wir sind Spezialisten für zukunftssichere Kommunikationstechnik und bieten Unternehmen…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchLüdenscheid, GermanyHQ recorded Nov 3, 202611-505 contacts →

Exact match

“E-KOMM IT & Kommunikation in Lüdenscheid ist kompetenter und zuverlässiger Ansprechpartner in allen Bereichen der Telekommunikation und Informationstechnik.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchWinnenden, GermanyHQ recorded Nov 3, 202611-505 contacts →

Exact match

“T.E.D.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchTelgte, GermanyHQ recorded Nov 3, 202611-505 contacts →

Exact match

“Dombrowsky Kommunikationssysteme bietet Ihnen individuelle, maßgeschneiderte Kommunikationslösungen, die Ihren Erfordernissen entsprechen.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchGlinde, GermanyHQ recorded Nov 3, 202611-505 contacts →

Exact match

“Die trizwo GmbH IT & Communication wurde 2002 als unabhängiges Systemhaus für Unternehmenskommunikation gegründet.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 105 value-added communication system suppliers based in Germany

See the full list, filter by size, metro and specialty, and access 321 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Value-added communication system suppliers based in Germany at a glance

As of Nov 3, 2026
42.6%Verified-email coverage
7.2Average contacts per company
11-50Median size (employees)
6.7%Largest-city concentration · Berlin
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
39
51-200
9
201-500
2
501-1,000
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 105 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 Germany whose business descriptions match “value-added communication system suppliers” 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 321 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 3, 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 “value-added communication system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many value-added communication system suppliers are there based in Germany?

RevenueBase identified 105 company matches for value-added communication system suppliers associated with Germany 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?

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

Which city has the most value-added communication system suppliers?

Berlin leads with 7 company records, followed by Hamburg (7) and Leipzig (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 321 professional contacts with verified work emails tracked across these 105 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 3, 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.