Company lists · Data refreshed September 2026

Top 25 Network infrastructure contractors based in Germany

Name: Network infrastructure contractors based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 288 companies tracked

RevenueBase identified 288 company matches for network infrastructure contractors associated with Germany as of September 2026 and tracks 2,056 professional contacts across them, including 707 with verified work emails. Berlin is the largest hub.

This list covers company matches for network infrastructure 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 September 17, 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 17, 2026 How this list was built

288Companies

2,056Contacts tracked

707Verified emails

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The 25 largest network infrastructure contractors based in Germany

Ranked by team size

Top 25 of 288 company matches for network infrastructure contractors based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Plusnet Gmbh	Exact match	Cologne, GermanyHQ recorded Sep 17, 2026	201-500	248 contacts →
	Exact match “Die Plusnet GmbH, eine Tochtergesellschaft der EnBW, ist ein deutsches Telekommunikationsunternehmen mit Fokus auf Geschäftskunden.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Insyte Deutschland Gmbh	Exact match	Ratingen, GermanyHQ recorded Sep 17, 2026	201-500	177 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 · Sep 17, 2026 · View company records in RevenueBase
3	Circet Deutschland SE	Exact match	Bergisch Gladbach, GermanyHQ recorded Sep 17, 2026	1,001-5,000	134 contacts →
	Exact match “WER WIR SIND Die Circet Deutschland SE ist ein Unternehmen der Circet Group, dem führenden weltweiten Dienstleister für den Aufbau und die Wartung von…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Fiber Experts Deutschland Gmbh	Exact match	Düsseldorf, GermanyHQ recorded Sep 17, 2026	51-200	88 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 · Sep 17, 2026 · View company records in RevenueBase
5	Vitronet Gruppe	Exact match	Essen, GermanyHQ recorded Sep 17, 2026	1,001-5,000	68 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 · Sep 17, 2026 · View company records in RevenueBase
6	Sinnwell Gmbh	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	51-200	55 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 · Sep 17, 2026 · View company records in RevenueBase
7	VP Infrastruktur Gmbh	Exact match	Essen, GermanyHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “Fiber- und Energy-Infrastrukturen in Deutschland!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Evoila Networks Gmbh	Exact match	Fürth, GermanyHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “Firmenprofil Impressum: Über HOB: Gegründet wurde das Unternehmen HOB 1964 von Horst Brandstätter.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Krafteam Gmbh	Exact match	Nordhorn, GermanyHQ recorded Sep 17, 2026	201-500	30 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 · Sep 17, 2026 · View company records in RevenueBase
10	APK Group Germany	Exact match	Wesel, GermanyHQ recorded Sep 17, 2026	201-500	28 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 · Sep 17, 2026 · View company records in RevenueBase
11	CWP Glasfasertechnik	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	25 contacts →
	Exact match “CWP Glasfasertechnik is your trusted partner for comprehensive fiber optic network solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Dene Deutsche Netzbau Gmbh	Exact match	Goldbach, GermanyHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Glasfaserausbau, Wartung und Reparaturen, Bau.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Netz-Intelligenz Deutschland Gmbh	Exact match	Cologne, GermanyHQ recorded Sep 17, 2026	201-500	21 contacts →
	Exact match “Netz Intelligenz GmbH is part of a group of companies and has several department managers, project managers, site engineers, foremen and approximately over five hundred employees…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	K&t Infrastruktur Gmbh	Exact match	Büdingen, GermanyHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Die K&T Infrastruktur GmbH ist seit mehr als 30 Jahren als Spezialist im Kabelleitungstiefbau tätig.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	LT Networks Gmbh	Exact match	Grevenbroich, GermanyHQ recorded Sep 17, 2026	51-200	20 contacts →
	Exact match “Willkommen bei LT Networks!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Deutsche Tiefbau Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “fiberoptic construction” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Steinbrecher Gruppe	Exact match	Wittmund, GermanyHQ recorded Sep 17, 2026	201-500	15 contacts →
	Exact match “Die Firma Steinbrecher ist ein innovativer und zertifizierter Baudienstleister mit einer langjährigen Erfolgsgeschichte und vielversprechenden Perspektiven.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Nuhaj Tiefbau Gesellschaft MBH	Exact match	Münster, GermanyHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Als führendes Generalunternehmen in der Telekommunikationsbranche mit Standort in Münster bieten wir umfassende und maßgeschneiderte Lösungen im Breitbandausbau.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	CEC Projekt Gmbh	Exact match	Dessau-roßlau, GermanyHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Wir planen Ihre Netze!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Emil Tepe Gmbh	Exact match	Dinklage, GermanyHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Ihr Partner für innovative Lösungen in Kabel- und Rohrnetzbau, Elektro- und Gebäudetechnik, IT- und Telekommunikationstechnik Willkommen bei der Emil Tepe GmbH, dem Experten für…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Alcera Kommunikationstechnik Gmbh	Exact match	Hanover, GermanyHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Mam-Bau Gmbh & Co. KG	Exact match	Ibbenbüren, GermanyHQ recorded Sep 17, 2026	51-200	14 contacts →
	Exact match “MAM-Bau GmbH & Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	STG Infrastruktur Gmbh	Exact match	Bochum, GermanyHQ recorded Sep 17, 2026	51-200	14 contacts →
	Exact match “STG Braunsberg GmbH ist ein Generalunternehmer, spezialisiert auf den Breitbandausbau, die Erstellung und den Betrieb von FTTH-Glasfaser-Infrastrukturen sowie auf Rohrleitungsbau…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Tekanet Gmbh Telekommunikationsservice	Exact match	Aschaffenburg, GermanyHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “TeKaNet GmbH Telekommunikationsservice is a company based out of 25 Marienstraße, Aschaffenburg, Bavaria, Germany.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Cablex Germany Gmbh	Exact match	Stuttgart, GermanyHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Seit 2024 ist cablex mit einem Tochterunternehmen, der cablex Germany GmbH, in Deutschland tätig.” Recorded in the RevenueBase company graph · Sep 17, 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 “network infrastructure contractors”. 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 288 network infrastructure contractors based in Germany

See the full list, filter by size, metro and specialty, and access 707 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network infrastructure contractors based in Germany at a glance

As of Sep 17, 2026

34.4%Verified-email coverage

7.1Average contacts per company

11-50Median size (employees)

4.5%Largest-city concentration · Berlin

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

116

11-50

51-200

201-500

501-1,000

1,001-5,000

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 288 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 “network infrastructure 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 707 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 17, 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 “network infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network infrastructure contractors are there based in Germany?

RevenueBase identified 288 company matches for network infrastructure contractors associated with Germany 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?

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

Which city has the most network infrastructure contractors?

Berlin leads with 13 company records, followed by Hamburg (9) and Dusseldorf (8).

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 707 professional contacts with verified work emails tracked across these 288 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 17, 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.