Company lists · Data refreshed September 2026

Top 14 Optical networking equipment manufacturers based in Germany

RevenueBase identified 41 company matches for optical networking equipment manufacturers associated with Germany as of September 2026 and tracks 478 professional contacts across them, including 136 with verified work emails. Berlin is the largest hub.

This list covers company matches for optical networking equipment manufacturers 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
41Companies
478Contacts tracked
136Verified emails
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The 14 largest optical networking equipment manufacturers based in Germany

Ranked by team size
Top 14 of 41 company matches for optical networking equipment manufacturers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDarmstadt, GermanyHQ recorded Sep 17, 202651-20061 contacts →

Exact match

“Flexoptix is a telecommunications company based in Darmstadt.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2Exact matchHamm, GermanyHQ recorded Sep 17, 202651-20045 contacts →

Exact match

“MICROSENS is one of the world’s leading manufacturers of fiber optic transmission systems.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchBerlin, GermanyHQ recorded Sep 17, 202651-20037 contacts →

Exact match

“Sicoya develops and produces silicon photonics-based optical transceiver solutions for 400Gb/s connections and beyond.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchMainz, GermanyHQ recorded Sep 17, 202651-20028 contacts →

Exact match

“HUBER+SUHNER Cube Optics; Pushing the boundaries of fiber optical transport for more than 20 years Fiber optical transport is the backbone of the global data transmission.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchBerlin, GermanyHQ recorded Sep 17, 202611-5022 contacts →

Exact match

“Willkommen bei der FOC - fibre optical components GmbH!”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchJena, GermanyHQ recorded Sep 17, 202651-20021 contacts →

Exact match

“j-fiber GmbH is one of Europe’s leading providers of optical fibers for data transmission and the only industrial-scale manufacturer of fibers in Germany.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchRosenberg, GermanyHQ recorded Sep 17, 202651-20015 contacts →

Exact match

“Hauff-Technik GRIDCOM ist ein in 2016 gegründetes Joint Venture aus dem Gründerunternehmen ZweiCom und dem Dichtungsspezialisten Hauff-Technik.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchBerlin, GermanyHQ recorded Sep 17, 202611-5012 contacts →

Exact match

“Amphenol Active Optics Products is a leading manufacturer of fiber optics transceivers.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchCologne, GermanyHQ recorded Sep 17, 20261-1011 contacts →

Exact match

“Uniquely enabled by waferscale precision glass molding technology, aiXscale Photonics supplies proprietary ultra-high precision optical glass interposer solutions for reliable…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchKarlsfeld, GermanyHQ recorded Sep 17, 202651-2009 contacts →

Exact match

“FS ist ein professioneller Anbieter von Kommunikations- und Hochgeschwindigkeitsnetzwerk-Systemlösungen für Netzwerk, Rechenzentrums- und Telekommunikationskunden mit der Vision…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchBerlin, GermanyHQ recorded Sep 17, 202611-506 contacts →

Exact match

“VI Systems is a fabless developer and producer of optical engines for data transmission at ultrahigh bit rates and the related electro-optic components for applications in…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchAugsburg, GermanyHQ recorded Sep 17, 202611-502 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchOttobrunn, GermanyHQ recorded Sep 17, 202611-502 contacts →

Exact match

“ID Photonics provides Test Equipment and solutions for the optical telecommunication industry based on its CoBrite series of versatile tunable Laser sources aiming at the emerging…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchHaar, GermanyHQ recorded Sep 17, 20261-101 contacts →

Exact match

“Ihr Spezialist für Daten- & Netzwerktechnik, Glasfaser, FTTH, Patchkabel, Verlegekabel, Spleißboxen, RJ45-Module, FIC-Stecker, LWL-Konfektion, Kupfer-Konfektion sowie…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 14 of 41 optical networking equipment manufacturers based in Germany

See the full list, filter by size, metro and specialty, and access 136 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Optical networking equipment manufacturers based in Germany at a glance

As of Sep 17, 2026
28.5%Verified-email coverage
11.7Average contacts per company
11-50Median size (employees)
17.1%Largest-city concentration · Berlin
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
16
51-200
9
1,001-5,000
2

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 41 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 “optical networking equipment manufacturers” 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 136 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 “optical networking equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many optical networking equipment manufacturers are there based in Germany?

RevenueBase identified 41 company matches for optical networking equipment manufacturers 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?

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

Which city has the most optical networking equipment manufacturers?

Berlin leads with 7 company records, followed by Jena (3) and Ottobrunn (2).

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 136 professional contacts with verified work emails tracked across these 41 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.