Company lists · Data refreshed November 2026

Top 25 Data communications contractors based in Germany

RevenueBase identified 551 company matches for data communications contractors associated with Germany as of November 2026 and tracks 7,157 professional contacts across them, including 2,297 with verified work emails. Berlin is the largest hub.

This list covers company matches for data communications contractors 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 6, 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 6, 2026 How this list was built
551Companies
7,157Contacts tracked
2,297Verified emails
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The 25 largest data communications contractors based in Germany

Ranked by team size
Top 25 of 551 company matches for data communications contractors based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMilan, GermanyHQ recorded Nov 6, 20261,001-5,0001,396 contacts →

Exact match

“We help our customers to choose the most suitable solutions for the characteristics of their business, to develop the traditional communication technologies they already have in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFrankfurt, GermanyHQ recorded Nov 6, 20261,001-5,000448 contacts →

Exact match

“AXIANS is the corporate brand for network infrastrucutures and corporate communications of VINCI Energies, one of the leading European providers of energy and information…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Die Plusnet GmbH, eine Tochtergesellschaft der EnBW, ist ein deutsches Telekommunikationsunternehmen mit Fokus auf Geschäftskunden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRatingen, GermanyHQ recorded Nov 6, 2026201-500186 contacts →

Exact match

“Bei Insyte Deutschland arbeiten wir daran, unseren Kunden qualitativ hochwertige Dienstleistungen im Bereich der Installation, des Betriebs und der Wartung von Netzwerken und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLangen, GermanyHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Die dacoso GmbH ist ein spezialisierter Anbieter von herstellerunabhängigen Connectivity und Security Lösungen im Data Center und Carrier Segment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCologne, GermanyHQ recorded Nov 6, 2026501-1,000134 contacts →

Exact match

“Phoenix Engineering Group is the leader in the field of broadband technologies and infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDreieich, GermanyHQ recorded Nov 6, 2026201-50096 contacts →

Exact match

“Wenn das Internet eine Stadt wäre, bauen wir die Straßen.“ So beschreibt COO, Thomas Klein, das, was die Pan Dacom Networking AG (aus)macht.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMunich, GermanyHQ recorded Nov 6, 2026201-50092 contacts →

Exact match

“aconnic has emerged from the UET Group and its operating companies and brands including albis-elcon, SUCONI, Albis Engineering and Albis Technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBielefeld, GermanyHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“Fast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Fiber Experts Deutschland GmbH ist ein auf Glasfaserausbau spezialisiertes Bauunternehmen mit Standorten in Düsseldorf und Köln.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEssen, GermanyHQ recorded Nov 6, 20261,001-5,00065 contacts →

Exact match

“Als Firmengruppe gemeinsam stark: Mit mehr als 2.700 Mitarbeitenden an über 40 Standorten sind wir deutschlandweit der führende Dienstleister für die Telekommunikations- und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDresden, GermanyHQ recorded Nov 6, 2026201-50063 contacts →

Exact match

“Liebe Besucherin, lieber Besucher der E.INFRA, Technik verbindet - Dafür sorgen über 300 Mitarbeiter:innen an fünf Niederlassungen der E.INFRA in Deutschland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Sinnwell GmbH ist ein schnell wachsendes Unternehmen, welches für Generalunternehmer im Mobilfunkbereich Dienstleistungen für den Netzaufbau erbringt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNeukeferloh, GermanyHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Networks are the backbone of modern organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSteinfurt, GermanyHQ recorded Nov 6, 2026501-1,00046 contacts →

Exact match

“Libra Gmbh ist eine Geschäftseinheit als Vehikel für ausgebildete und erfahrene Fachleute in der Branche für den Bau von Glasfasernetzen, wo sie ihre Fähigkeiten und Kreativität…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSchlüchtern, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Globalcarrier – Ganzheitliche Lösungen aus einer Hand Die globalcarrier telecom GmbH ist mit über 90 mitarbeitenden Menschen und 6 Niederlassungen in Hessen und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLauf An Der Pegnitz, GermanyHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Zukunft ist das, was uns antreibt!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNordhorn, GermanyHQ recorded Nov 6, 2026201-50035 contacts →

Exact match

“The company Krafteam GmbH is a leading enterprise in the field of fiber optic expansion, cable laying, HDD horizontal directional drilling, and civil engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFürth, GermanyHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Firmenprofil Impressum: Über HOB: Gegründet wurde das Unternehmen HOB 1964 von Horst Brandstätter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBochum, GermanyHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Mit der GLASFASER RUHR haben Sie einen Partner an Ihrer Seite, der über 25 Jahre Erfahrung im Aufbau, Betrieb und in Sicherung von Netzwerkinfrastrukturen mitbringt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-50030 contacts →

Exact match

“Netz-Intelligenz Deutschland GmbH delivers turnkey broadband infrastructure, designing and building in-house with its own equipment and teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWolfsburg, GermanyHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
23Exact matchWesel, GermanyHQ recorded Nov 6, 2026201-50029 contacts →

Exact match

“Wir sind eine Unternehmensgruppe welches sich auf Coax/LWL Gebäudeverkabelung, Service & Wartung, Infratechnik, Tiefbau, Kabel & Fernmeldebau sowie Kupfer und Glasfaserbau &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBiberach An Der Riß, GermanyHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“Netze bauen, Leitungen legen und hängen, Kommunikation schnell machen, Sonne einfangen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHamburg, GermanyHQ recorded Nov 6, 20261-1024 contacts →

Exact match

“BraCom ist ein etabliertes Telekommunikationsunternehmen, das zu einem bedeutenden Akteur auf dem norwegischen Glasfaser- und Telekommunikationsmarkt geworden ist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 551 data communications contractors based in Germany

See the full list, filter by size, metro and specialty, and access 2,297 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data communications contractors based in Germany at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
13.0Average contacts per company
11-50Median size (employees)
6.5%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
232
11-50
171
51-200
75
201-500
21
501-1,000
6
1,001-5,000
4

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 551 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 “data communications contractors” 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 2,297 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 6, 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 “data communications contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data communications contractors are there based in Germany?

RevenueBase identified 551 company matches for data communications contractors 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?

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

Which city has the most data communications contractors?

Berlin leads with 36 company records, followed by Hamburg (23) and Frankfurt (16).

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 2,297 professional contacts with verified work emails tracked across these 551 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 6, 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.