Company lists · Data refreshed September 2026

Top 25 Telecom conduit installation companies based in Germany

Name: Telecom conduit installation companies based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 210 companies tracked

RevenueBase identified 210 telecom conduit installation companies headquartered in Germany as of September 2026 and tracks 1,250 professional contacts across them, including 394 with verified work emails. Berlin is the largest hub.

This list covers telecom conduit installation companies headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

210Companies

1,250Contacts tracked

394Verified emails

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The 25 largest telecom conduit installation companies based in Germany

Ranked by team size

Top 25 of 210 telecom conduit installation companies based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom conduit installation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Rosenberger-Osi Gmbh & Co. OHG	Indirect evidence	Augsburg, GermanyHQ checked Sep 19, 2026	501-1,000	125 contacts →
	Indirect evidence “Since 1991, Rosenberger Optical Solutions & Infrastructure (Rosenberger OSI) has been a recognized expert for fiber-based connectivity, cabling solutions and infrastructure…” Source: RevenueBase Database · checked Sep 19, 2026
2	Fiber Experts Deutschland Gmbh	Indirect evidence	Düsseldorf, GermanyHQ checked Sep 19, 2026	51-200	88 contacts →
	Indirect evidence “Fiber Experts Deutschland GmbH ist ein auf Glasfaserausbau spezialisiertes Bauunternehmen mit Standorten in Düsseldorf und Köln.” Source: RevenueBase Database · checked Sep 19, 2026
3	Vitronet Gruppe	Indirect evidence	Essen, GermanyHQ checked Sep 19, 2026	1,001-5,000	68 contacts →
	Indirect evidence “Als Firmengruppe gemeinsam stark: Mit mehr als 2.700 Mitarbeitenden an über 40 Standorten sind wir deutschlandweit der führende Dienstleister für die Telekommunikations- und…” Source: RevenueBase Database · checked Sep 19, 2026
4	Krafteam Gmbh	Indirect evidence	Nordhorn, GermanyHQ checked Sep 19, 2026	201-500	30 contacts →
	Indirect evidence “The company Krafteam GmbH is a leading enterprise in the field of fiber optic expansion, cable laying, HDD horizontal directional drilling, and civil engineering.” Source: RevenueBase Database · checked Sep 19, 2026
5	APK Group Germany	Indirect evidence	Wesel, GermanyHQ checked Sep 19, 2026	201-500	28 contacts →
	Indirect evidence “Wir sind eine Unternehmensgruppe welches sich auf Coax/LWL Gebäudeverkabelung, Service & Wartung, Infratechnik, Tiefbau, Kabel & Fernmeldebau sowie Kupfer und Glasfaserbau &…” Source: RevenueBase Database · checked Sep 19, 2026
6	CWP Glasfasertechnik	Indirect evidence	Hamburg, GermanyHQ checked Sep 19, 2026	1-10	25 contacts →
	Indirect evidence “CWP Glasfasertechnik is your trusted partner for comprehensive fiber optic network solutions.” Source: RevenueBase Database · checked Sep 19, 2026
7	Dene Deutsche Netzbau Gmbh	Indirect evidence	Goldbach, GermanyHQ checked Sep 19, 2026	51-200	24 contacts →
	Indirect evidence “Glasfaserausbau, Wartung und Reparaturen, Bau.” Source: RevenueBase Database · checked Sep 19, 2026
8	Netz-Intelligenz Deutschland Gmbh	Indirect evidence	Köln, GermanyHQ checked Sep 19, 2026	201-500	21 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
9	Cableway AG	Indirect evidence	Bergisch Gladbach, GermanyHQ checked Sep 19, 2026	501-1,000	21 contacts →
	Indirect evidence “Der Trend zu mehr Mobilität und permanenter Höchstgeschwindigkeit ist ungebrochen.” Source: RevenueBase Database · checked Sep 19, 2026
10	Bracom Gmbh	Indirect evidence	Hamburg, GermanyHQ checked Sep 19, 2026	1-10	21 contacts →
	Indirect evidence “BraCom ist ein etabliertes Telekommunikationsunternehmen, das zu einem bedeutenden Akteur auf dem norwegischen Glasfaser- und Telekommunikationsmarkt geworden ist.” Source: RevenueBase Database · checked Sep 19, 2026
11	LT Networks Gmbh	Indirect evidence	Grevenbroich, GermanyHQ checked Sep 19, 2026	51-200	20 contacts →
	Indirect evidence “Willkommen bei LT Networks!” Source: RevenueBase Database · checked Sep 19, 2026
12	Nuhaj Tiefbau Gesellschaft MBH	Indirect evidence	Münster, GermanyHQ checked Sep 19, 2026	51-200	15 contacts →
	Indirect evidence “Als führendes Generalunternehmen in der Telekommunikationsbranche mit Standort in Münster bieten wir umfassende und maßgeschneiderte Lösungen im Breitbandausbau.” Source: RevenueBase Database · checked Sep 19, 2026
13	Emil Tepe Gmbh	Indirect evidence	Dinklage, GermanyHQ checked Sep 19, 2026	51-200	15 contacts →
	Indirect evidence “Ihr Partner für innovative Lösungen in Kabel- und Rohrnetzbau, Elektro- und Gebäudetechnik, IT- und Telekommunikationstechnik Willkommen bei der Emil Tepe GmbH, dem Experten für…” Source: RevenueBase Database · checked Sep 19, 2026
14	Mam-Bau Gmbh & Co. KG	Indirect evidence	Ibbenbüren, GermanyHQ checked Sep 19, 2026	51-200	14 contacts →
	Indirect evidence “MAM-Bau GmbH & Co.” Source: RevenueBase Database · checked Sep 19, 2026
15	STG Infrastruktur Gmbh	Indirect evidence	Bochum, GermanyHQ checked Sep 19, 2026	51-200	14 contacts →
	Indirect evidence “STG Braunsberg GmbH ist ein Generalunternehmer, spezialisiert auf den Breitbandausbau, die Erstellung und den Betrieb von FTTH-Glasfaser-Infrastrukturen sowie auf Rohrleitungsbau…” Source: RevenueBase Database · checked Sep 19, 2026
16	Tekanet Gmbh Telekommunikationsservice	Indirect evidence	Aschaffenburg, GermanyHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “TeKaNet GmbH Telekommunikationsservice is a company based out of 25 Marienstraße, Aschaffenburg, Bavaria, Germany.” Source: RevenueBase Database · checked Sep 19, 2026
17	Fosvia	Indirect evidence	Düsseldorf, GermanyHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “FOSVIA is an engineering and construction company committed to providing an end-to-end turnkey solution for the construction of a first-class fiber optic network, and to…” Source: RevenueBase Database · checked Sep 19, 2026
18	Diroba Infrastruktur	Indirect evidence	Großvargula, GermanyHQ checked Sep 19, 2026	51-200	11 contacts →
	Indirect evidence “Die Diroba Infrastruktur GmbH ist eine Tochtergesellschaft der vitronet Holding GmbH und Spezialist für den bundesweiten Breitbandausbau, die Erstellung und den Betrieb von…” Source: RevenueBase Database · checked Sep 19, 2026
19	Visco Gmbh	Indirect evidence	Jagstzell, GermanyHQ checked Sep 19, 2026	51-200	11 contacts →
	Indirect evidence “Breitbandnetze aus einer Hand - Europaweit.” Source: RevenueBase Database · checked Sep 19, 2026
20	Quicknet	Partial evidence	Bonn, GermanyHQ checked Sep 19, 2026	11-50	11 contacts →
	Partial evidence “Installations- und Wartungsdienste für Glasfasernetze” Source: RevenueBase Database · checked Sep 19, 2026
21	R. & R. Heming Gmbh & Co. KG	Indirect evidence	Stadtlohn, GermanyHQ checked Sep 19, 2026	51-200	10 contacts →
	Indirect evidence “Das Unternehmen R&R Heming ist Ihr idealer Partner auf allen Gebieten der Kommunikationstechnik.” Source: RevenueBase Database · checked Sep 19, 2026
22	Fibra-Kom Gmbh & Co. KG	Indirect evidence	Siegburg, GermanyHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
23	TKS Telekommunikationsbau Service Gmbh	Indirect evidence	Gladau, GermanyHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
24	Simplexfuture	Indirect evidence	Münster, GermanyHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence “Ihr Breitband–Ausbauprojekt ist bei uns in besten Händen, weil wir alles berücksichtigen: Grobplanung, Feinplanung, Termin- und Prozessplanung mit allen Anträgen, Genehmigungen…” Source: RevenueBase Database · checked Sep 19, 2026
25	Hj-Pitzen Infrastruktur Gmbh	Indirect evidence	Metelen, GermanyHQ checked Sep 19, 2026	51-200	9 contacts →
	Indirect evidence “Wir sind Ihr Ansprechpartner in allen Fragen rund, um den Tief und Rohrleitungsbau ganz gleich ob es sich um Gas, Wasser oder Kanalbau handelt.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom conduit installation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecom conduit installation companies.
Partial evidence: Its own public description names part of telecom conduit installation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom conduit installation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 210 telecom conduit installation companies based in Germany

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Telecom conduit installation companies based in Germany at a glance

As of Sep 19, 2026

31.5%Verified-email coverage

6.0Average contacts per company

11-50Median size (employees)

5.7%Largest-city concentration · Berlin

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

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 210 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom conduit installation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Germany whose own description of what they do matches “telecom conduit installation companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom conduit installation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among telecom conduit installation companies, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 394 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom conduit installation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many telecom conduit installation companies are there based in Germany?

RevenueBase identified 210 telecom conduit installation companies headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Rosenberger-Osi Gmbh & Co. OHG, headquartered in Augsburg, tops this list with the largest team on record.

Which city has the most telecom conduit installation companies?

Berlin leads with 12 headquartered companies, followed by Hamburg (8) and Munster (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 394 verified decision-maker contacts tracked across these 210 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.