Company lists · Data refreshed September 2026
Top 25 Dark fiber providers based in Germany
RevenueBase identified 77 company matches for dark fiber providers associated with Germany as of September 2026 and tracks 3,650 professional contacts across them, including 2,019 with verified work emails. Berlin is the largest hub.
This list covers company matches for dark fiber providers 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 19, 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.
The 25 largest dark fiber providers based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,086 contacts → | ||||
Exact match “Wir sind der Digital-Versorger für das private, soziale, wirtschaftliche und öffentliche Leben in den Regionen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 863 contacts → | ||||
Exact match “1 & 1 Versatel - Der deutsche Glasfaserspezialist 1 & 1 Versatel ist als Telekommunikationsspezialist für Firmenkunden einer der führenden Anbieter von Daten, Internet- und…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 443 contacts → | ||||
Exact match “Als führender Glasfaseranbieter Bayerns verbindet M-net seit 1996 Menschen und Unternehmen in Bayern, im Großraum Ulm und im hessischen Main-Kinzig-Kreis mit zuverlässiger…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 209 contacts → | ||||
Exact match “Die Glasfaser-Expert*innen: Wir von der OXG Glasfaser GmbH bauen und betreiben ein schnelles und zuverlässiges Glasfaser-Netz in Deutschland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 119 contacts → | ||||
Exact match “Together for the future of the internet: Glasfaser Nordwest is the joint venture between EWE and Telekom.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 96 contacts → | ||||
Exact match “Wir planen, bauen und betreiben Glasfasernetze direkt bis in die Gebäude unserer Endkunden.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 75 contacts → | ||||
Exact match “Herzlich willkommen bei Goetel, Ihrem Göttinger Glasfaseranbieter für Telefon- und Internet!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 64 contacts → | ||||
Exact match “The OEW Breitband GmbH was founded on August 4, 2021 by OEW, the broadband provider in the district of Sigmaringen GmbH & Co.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 53 contacts → | ||||
Exact match “metrofibre entwickelt, finanziert, baut und betreibt passive Glasfasernetze für Städte und größere Gemeinden und bringt so hochleistungsfähige und skalierbare digitale…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 51 contacts → | ||||
Exact match “Das TeleData Netz - das Netz der Zukunft?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Seit über 25 Jahren zählt GasLINE zu den führenden LWL-Infrastrukturanbietern in Deutschland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 26 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 25 contacts → | ||||
Exact match “CWP Glasfasertechnik is your trusted partner for comprehensive fiber optic network solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “Wemacom Telekommunikation GmbH is a telecommunications company based out of 20 Medeweger Straße, Schwerin, Germany.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 24 contacts → | ||||
Exact match “Die COM-IN ist der Glasfaserspezialist aus Ingolstadt - für Ingolstadt.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 22 contacts → | ||||
Exact match “Wir sind die KomMITT Ratingen!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “NetDüsseldorf richtet sich konsequent an die Bedürfnisse der Menschen in Düsseldorf aus, indem wir schnelle Breitbandlösungen u.a.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 17 contacts → | ||||
Exact match “Das Telekommunikationsunternehmen RFT Kabel aus Brandenburg an der Havel ist Spezialist für die Planung, den Bau und die Bewirtschaftung zukunftssicherer…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 16 contacts → | ||||
Exact match “OpenXS – Ihr Partner für Netzbetrieb & Open Access!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “Telegraph42 is one of the world’s leading internet infrastructure and connection companies, increasing transmission capacity internationally, connecting continents, and closing…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Die Diroba Infrastruktur GmbH ist eine Tochtergesellschaft der vitronet Holding GmbH und Spezialist für den bundesweiten Breitbandausbau, die Erstellung und den Betrieb von…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Die OneFiber Interconnect Germany GmbH plant in Deutschland den Aufbau, Betrieb und Vertrieb eines flächendeckenden, homogenen und hochleistungsfähigen Glasfaser-Zubringernetzes…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Die Open Infra GmbH ist Teil eines der größten Glasfasernetzbetreibers Schwedens.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Ihr Komplettanbieter im Glasfaserausbau.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “VX Fiber ist ein schwedisches Technologieunternehmen und Spezialist für digitale Infrastruktur.” Recorded in the RevenueBase company graph · Sep 19, 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 “dark fiber providers”. 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 77 dark fiber providers based in Germany
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Dark fiber providers based in Germany at a glance
As of Sep 19, 2026Companies by employee count
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 77 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 “dark fiber providers” 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 2,019 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 19, 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 “dark fiber providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many dark fiber providers are there based in Germany?
RevenueBase identified 77 company matches for dark fiber providers 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?
Deutsche Glasfaser Unternehmensgruppe tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most dark fiber providers?
Berlin leads with 6 company records, followed by Dusseldorf (6) and Frankfurt (3).
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 2,019 professional contacts with verified work emails tracked across these 77 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 77 dark fiber providers based in Germany. Start with a free account, no credit card.
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- Dark fiber providers based in the United Kingdom
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 dark fiber providers based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 77 matching company records for dark fiber providers based in Germany, with 3,650 tracked contacts and 2,019 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 dark fiber providers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Deutsche Glasfaser Unternehmensgruppedeutsche-glasfaser.deHQ: Düsseldorf, GermanyReported employees: 1,001-5,000 | Düsseldorf, Germany | 1,001-5,000 | Exact match | 1,086 contacts → |
“Wir sind der Digital-Versorger für das private, soziale, wirtschaftliche und öffentliche Leben in den Regionen.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  1&1 Versatel1und1.netHQ: Düsseldorf, GermanyReported employees: 1,001-5,000 | Düsseldorf, Germany | 1,001-5,000 | Exact match | 863 contacts → |
“1 & 1 Versatel - Der deutsche Glasfaserspezialist 1 & 1 Versatel ist als Telekommunikationsspezialist für Firmenkunden einer der führenden Anbieter von Daten, Internet- und…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  M-Net Telekommunikations Gmbhm-net.deHQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 443 contacts → |
“Als führender Glasfaseranbieter Bayerns verbindet M-net seit 1996 Menschen und Unternehmen in Bayern, im Großraum Ulm und im hessischen Main-Kinzig-Kreis mit zuverlässiger…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | OXG Glasfaser Gmbhoxg.de HQ: Düsseldorf, GermanyReported employees: 201-500 | Düsseldorf, Germany | 201-500 | Exact match | 209 contacts → |
“Die Glasfaser-Expert*innen: Wir von der OXG Glasfaser GmbH bauen und betreiben ein schnelles und zuverlässiges Glasfaser-Netz in Deutschland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Glasfaser Nordwest Gmbh & Co. KGglasfaser-nordwest.de HQ: Oldenburg, GermanyReported employees: 201-500 | Oldenburg, Germany | 201-500 | Exact match | 119 contacts → |
“Together for the future of the internet: Glasfaser Nordwest is the joint venture between EWE and Telekom.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  GVG Glasfasergvg-glasfaser.deHQ: Kiel, GermanyReported employees: 201-500 | Kiel, Germany | 201-500 | Exact match | 96 contacts → |
“Wir planen, bauen und betreiben Glasfasernetze direkt bis in die Gebäude unserer Endkunden.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Goetel Gmbhgoetel.deHQ: Göttingen, GermanyReported employees: 51-200 | Göttingen, Germany | 51-200 | Exact match | 75 contacts → |
“Herzlich willkommen bei Goetel, Ihrem Göttinger Glasfaseranbieter für Telefon- und Internet!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OEW Breitband Gmbhoew-breitband.de HQ: Ehingen (donau), GermanyReported employees: 51-200 | Ehingen (donau), Germany | 51-200 | Exact match | 64 contacts → |
“The OEW Breitband GmbH was founded on August 4, 2021 by OEW, the broadband provider in the district of Sigmaringen GmbH & Co.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Metrofibremetrofibre.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 53 contacts → |
“metrofibre entwickelt, finanziert, baut und betreibt passive Glasfasernetze für Städte und größere Gemeinden und bringt so hochleistungsfähige und skalierbare digitale…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Teledata Gmbhteledata.deHQ: Friedrichshafen, GermanyReported employees: 51-200 | Friedrichshafen, Germany | 51-200 | Exact match | 51 contacts → |
“Das TeleData Netz - das Netz der Zukunft?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gasline Gmbh & Co. KGgasline.de HQ: Straelen, GermanyReported employees: 51-200 | Straelen, Germany | 51-200 | Exact match | 35 contacts → |
“Seit über 25 Jahren zählt GasLINE zu den führenden LWL-Infrastrukturanbietern in Deutschland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Glasfaser Ruhr Gmbh & Co. KGglasfaser-ruhr.deHQ: Bochum, GermanyReported employees: 51-200 | Bochum, Germany | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CWP Glasfasertechnikcwpkraft.com HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 25 contacts → |
“CWP Glasfasertechnik is your trusted partner for comprehensive fiber optic network solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wemacom Telekommunikation Gmbhwemacom.de HQ: Schwerin, GermanyReported employees: 51-200 | Schwerin, Germany | 51-200 | Exact match | 24 contacts → |
“Wemacom Telekommunikation GmbH is a telecommunications company based out of 20 Medeweger Straße, Schwerin, Germany.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Com-In Telekommunikations Gmbhcomin-glasfaser.deHQ: Ingolstadt, GermanyReported employees: 51-200 | Ingolstadt, Germany | 51-200 | Exact match | 24 contacts → |
“Die COM-IN ist der Glasfaserspezialist aus Ingolstadt - für Ingolstadt.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kommitt-Ratingen Gmbhkommitt.de HQ: Ratingen, GermanyReported employees: 51-200 | Ratingen, Germany | 51-200 | Exact match | 22 contacts → |
“Wir sind die KomMITT Ratingen!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Netdüsseldorf Gmbhnet-duesseldorf.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 18 contacts → |
“NetDüsseldorf richtet sich konsequent an die Bedürfnisse der Menschen in Düsseldorf aus, indem wir schnelle Breitbandlösungen u.a.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  RFT Kabel Brandenburg Gmbhrftkabel.deHQ: Brandenburg An Der Havel, GermanyReported employees: 51-200 | Brandenburg An Der Havel, Germany | 51-200 | Exact match | 17 contacts → |
“Das Telekommunikationsunternehmen RFT Kabel aus Brandenburg an der Havel ist Spezialist für die Planung, den Bau und die Bewirtschaftung zukunftssicherer…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Openxs Gmbhopenxs.de HQ: Flensburg, GermanyReported employees: 51-200 | Flensburg, Germany | 51-200 | Exact match | 16 contacts → |
“OpenXS – Ihr Partner für Netzbetrieb & Open Access!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Telegraph42 Management Gmbhtele-graph.de HQ: Frankfurt, GermanyReported employees: 11-50 | Frankfurt, Germany | 11-50 | Exact match | 13 contacts → |
“Telegraph42 is one of the world’s leading internet infrastructure and connection companies, increasing transmission capacity internationally, connecting continents, and closing…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Diroba Infrastrukturdiroba-infrastruktur.de HQ: Großvargula, GermanyReported employees: 51-200 | Großvargula, Germany | 51-200 | Exact match | 11 contacts → |
“Die Diroba Infrastruktur GmbH ist eine Tochtergesellschaft der vitronet Holding GmbH und Spezialist für den bundesweiten Breitbandausbau, die Erstellung und den Betrieb von…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Onefiber Interconnect Germany Gmbhonefiber.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 10 contacts → |
“Die OneFiber Interconnect Germany GmbH plant in Deutschland den Aufbau, Betrieb und Vertrieb eines flächendeckenden, homogenen und hochleistungsfähigen Glasfaser-Zubringernetzes…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Open Infra Deutschlandopeninfra.com HQ: Wildau, GermanyReported employees: 11-50 | Wildau, Germany | 11-50 | Exact match | 10 contacts → |
“Die Open Infra GmbH ist Teil eines der größten Glasfasernetzbetreibers Schwedens.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Databau Nahe-Hunsrück Gmbhdatabau.com HQ: Roxheim, GermanyReported employees: 51-200 | Roxheim, Germany | 51-200 | Exact match | 8 contacts → |
“Ihr Komplettanbieter im Glasfaserausbau.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  VX Fiber Deutschlandvxfiber.deHQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 8 contacts → |
“VX Fiber ist ein schwedisches Technologieunternehmen und Spezialist für digitale Infrastruktur.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 77 company matches
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Dark fiber providers: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
76 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 77 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for dark fiber providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many dark fiber providers did RevenueBase find based in Germany?
The saved snapshot records 77 matching company records, 3,650 tracked contacts and 2,019 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Dark fiber providers by geography
- Dark fiber providers based in Australia
- Dark fiber providers based in Brazil
- Dark fiber providers based in Canada
- Dark fiber providers based in France
- Dark fiber providers based in India
- Dark fiber providers based in Indonesia
- Dark fiber providers based in Italy
- Dark fiber providers based in the Netherlands
- Dark fiber providers based in Poland
- Dark fiber providers based in South Africa
- Dark fiber providers based in Spain
- Dark fiber providers based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 dark fiber providers based in Germany. Snapshot: September 19, 2026. https://revenuebase.ai/companies/dark-fiber-providers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 dark fiber providers based in Germany
RevenueBase records 77 matching company records for dark fiber providers based in Germany, with 3,650 tracked contacts and 2,019 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 dark fiber providers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Deutsche Glasfaser Unternehmensgruppedeutsche-glasfaser.de HQ: Düsseldorf, GermanyReported employees: 1,001-5,000 | Düsseldorf, Germany | 1,001-5,000 | Exact match | 1,086 contacts → |
“Wir sind der Digital-Versorger für das private, soziale, wirtschaftliche und öffentliche Leben in den Regionen.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 1&1 Versatel1und1.net HQ: Düsseldorf, GermanyReported employees: 1,001-5,000 | Düsseldorf, Germany | 1,001-5,000 | Exact match | 863 contacts → |
“1 & 1 Versatel - Der deutsche Glasfaserspezialist 1 & 1 Versatel ist als Telekommunikationsspezialist für Firmenkunden einer der führenden Anbieter von Daten, Internet- und…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | M-Net Telekommunikations Gmbhm-net.de HQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 443 contacts → |
“Als führender Glasfaseranbieter Bayerns verbindet M-net seit 1996 Menschen und Unternehmen in Bayern, im Großraum Ulm und im hessischen Main-Kinzig-Kreis mit zuverlässiger…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | OXG Glasfaser Gmbhoxg.de HQ: Düsseldorf, GermanyReported employees: 201-500 | Düsseldorf, Germany | 201-500 | Exact match | 209 contacts → |
“Die Glasfaser-Expert*innen: Wir von der OXG Glasfaser GmbH bauen und betreiben ein schnelles und zuverlässiges Glasfaser-Netz in Deutschland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Glasfaser Nordwest Gmbh & Co. KGglasfaser-nordwest.de HQ: Oldenburg, GermanyReported employees: 201-500 | Oldenburg, Germany | 201-500 | Exact match | 119 contacts → |
“Together for the future of the internet: Glasfaser Nordwest is the joint venture between EWE and Telekom.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | GVG Glasfasergvg-glasfaser.de HQ: Kiel, GermanyReported employees: 201-500 | Kiel, Germany | 201-500 | Exact match | 96 contacts → |
“Wir planen, bauen und betreiben Glasfasernetze direkt bis in die Gebäude unserer Endkunden.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Goetel Gmbhgoetel.de HQ: Göttingen, GermanyReported employees: 51-200 | Göttingen, Germany | 51-200 | Exact match | 75 contacts → |
“Herzlich willkommen bei Goetel, Ihrem Göttinger Glasfaseranbieter für Telefon- und Internet!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OEW Breitband Gmbhoew-breitband.de HQ: Ehingen (donau), GermanyReported employees: 51-200 | Ehingen (donau), Germany | 51-200 | Exact match | 64 contacts → |
“The OEW Breitband GmbH was founded on August 4, 2021 by OEW, the broadband provider in the district of Sigmaringen GmbH & Co.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Metrofibremetrofibre.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 53 contacts → |
“metrofibre entwickelt, finanziert, baut und betreibt passive Glasfasernetze für Städte und größere Gemeinden und bringt so hochleistungsfähige und skalierbare digitale…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Teledata Gmbhteledata.de HQ: Friedrichshafen, GermanyReported employees: 51-200 | Friedrichshafen, Germany | 51-200 | Exact match | 51 contacts → |
“Das TeleData Netz - das Netz der Zukunft?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gasline Gmbh & Co. KGgasline.de HQ: Straelen, GermanyReported employees: 51-200 | Straelen, Germany | 51-200 | Exact match | 35 contacts → |
“Seit über 25 Jahren zählt GasLINE zu den führenden LWL-Infrastrukturanbietern in Deutschland.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Glasfaser Ruhr Gmbh & Co. KGglasfaser-ruhr.de HQ: Bochum, GermanyReported employees: 51-200 | Bochum, Germany | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CWP Glasfasertechnikcwpkraft.com HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 25 contacts → |
“CWP Glasfasertechnik is your trusted partner for comprehensive fiber optic network solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wemacom Telekommunikation Gmbhwemacom.de HQ: Schwerin, GermanyReported employees: 51-200 | Schwerin, Germany | 51-200 | Exact match | 24 contacts → |
“Wemacom Telekommunikation GmbH is a telecommunications company based out of 20 Medeweger Straße, Schwerin, Germany.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Com-In Telekommunikations Gmbhcomin-glasfaser.de HQ: Ingolstadt, GermanyReported employees: 51-200 | Ingolstadt, Germany | 51-200 | Exact match | 24 contacts → |
“Die COM-IN ist der Glasfaserspezialist aus Ingolstadt - für Ingolstadt.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kommitt-Ratingen Gmbhkommitt.de HQ: Ratingen, GermanyReported employees: 51-200 | Ratingen, Germany | 51-200 | Exact match | 22 contacts → |
“Wir sind die KomMITT Ratingen!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Netdüsseldorf Gmbhnet-duesseldorf.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 18 contacts → |
“NetDüsseldorf richtet sich konsequent an die Bedürfnisse der Menschen in Düsseldorf aus, indem wir schnelle Breitbandlösungen u.a.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | RFT Kabel Brandenburg Gmbhrftkabel.de HQ: Brandenburg An Der Havel, GermanyReported employees: 51-200 | Brandenburg An Der Havel, Germany | 51-200 | Exact match | 17 contacts → |
“Das Telekommunikationsunternehmen RFT Kabel aus Brandenburg an der Havel ist Spezialist für die Planung, den Bau und die Bewirtschaftung zukunftssicherer…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Openxs Gmbhopenxs.de HQ: Flensburg, GermanyReported employees: 51-200 | Flensburg, Germany | 51-200 | Exact match | 16 contacts → |
“OpenXS – Ihr Partner für Netzbetrieb & Open Access!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Telegraph42 Management Gmbhtele-graph.de HQ: Frankfurt, GermanyReported employees: 11-50 | Frankfurt, Germany | 11-50 | Exact match | 13 contacts → |
“Telegraph42 is one of the world’s leading internet infrastructure and connection companies, increasing transmission capacity internationally, connecting continents, and closing…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Diroba Infrastrukturdiroba-infrastruktur.de HQ: Großvargula, GermanyReported employees: 51-200 | Großvargula, Germany | 51-200 | Exact match | 11 contacts → |
“Die Diroba Infrastruktur GmbH ist eine Tochtergesellschaft der vitronet Holding GmbH und Spezialist für den bundesweiten Breitbandausbau, die Erstellung und den Betrieb von…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Onefiber Interconnect Germany Gmbhonefiber.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 10 contacts → |
“Die OneFiber Interconnect Germany GmbH plant in Deutschland den Aufbau, Betrieb und Vertrieb eines flächendeckenden, homogenen und hochleistungsfähigen Glasfaser-Zubringernetzes…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Open Infra Deutschlandopeninfra.com HQ: Wildau, GermanyReported employees: 11-50 | Wildau, Germany | 11-50 | Exact match | 10 contacts → |
“Die Open Infra GmbH ist Teil eines der größten Glasfasernetzbetreibers Schwedens.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Databau Nahe-Hunsrück Gmbhdatabau.com HQ: Roxheim, GermanyReported employees: 51-200 | Roxheim, Germany | 51-200 | Exact match | 8 contacts → |
“Ihr Komplettanbieter im Glasfaserausbau.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | VX Fiber Deutschlandvxfiber.de HQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 8 contacts → |
“VX Fiber ist ein schwedisches Technologieunternehmen und Spezialist für digitale Infrastruktur.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 77 company matches
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Dark fiber providers: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
76 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 77 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for dark fiber providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many dark fiber providers did RevenueBase find based in Germany?
The saved snapshot records 77 matching company records, 3,650 tracked contacts and 2,019 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Dark fiber providers by geography
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 dark fiber providers based in Germany. Snapshot: September 19, 2026. https://revenuebase.ai/companies/dark-fiber-providers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗