Company lists · Data refreshed September 2026

Top 25 Sustainable hydrogen manufacturers based in Germany

RevenueBase identified 100 company matches for sustainable hydrogen manufacturers associated with Germany as of September 2026 and tracks 4,389 professional contacts across them, including 2,123 with verified work emails. Berlin is the largest hub.

This list covers company matches for sustainable hydrogen 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 18, 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 18, 2026 How this list was built
100Companies
4,389Contacts tracked
2,123Verified emails
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The 25 largest sustainable hydrogen manufacturers based in Germany

Ranked by team size
Top 25 of 100 company matches for sustainable hydrogen manufacturers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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 matchWiesbaden, GermanyHQ recorded Sep 18, 20261,001-5,000785 contacts →

Exact match

“Founded in 1996, ABO Energy (fomerly known as ABO Wind) is among Europe’s leading developers of renewable energy projects.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2Exact matchDortmund, GermanyHQ recorded Sep 18, 20261,001-5,000691 contacts →

Exact match

“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3Exact matchBerlin, GermanyHQ recorded Sep 18, 2026201-500565 contacts →

Exact match

“Q ENERGY is Europe’s 360° green energy company.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4Exact matchReußenköge, GermanyHQ recorded Sep 18, 2026501-1,000480 contacts →

Exact match

“GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5Exact matchDresden, GermanyHQ recorded Sep 18, 2026501-1,000427 contacts →

Exact match

“Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6Exact matchAugsburg, GermanyHQ recorded Sep 18, 2026501-1,000378 contacts →

Exact match

“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchRostock-laage, GermanyHQ recorded Sep 18, 202651-20099 contacts →

Exact match

“About the company H2APEX Group SCA: H2APEX Group SCA is a listed holding company and the parent company of H2APEX Group, which in its core business develops, builds and sells or…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8Exact matchGoslar, GermanyHQ recorded Sep 18, 202651-20085 contacts →

Exact match

“With over 50 years of experience in the electrification, automation, and digitalization of industrial processes, FEST GmbH develops, manufactures, and supplies state-of-the-art…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9Exact matchEssen, GermanyHQ recorded Sep 18, 202651-20070 contacts →

Exact match

“Greenlyte | Liquefying renewable energy Greenlyte revolutionizes the energy infrastructure by turning renewable electricity, air and water into green molecules needed for the…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchWeeze, GermanyHQ recorded Sep 18, 2026201-50056 contacts →

Exact match

“Hexagon Purus hat sich auf Leichtbaukomponenten und -systeme aus Faserverbundwerkstoffen spezialisiert und ist weltweit führend in Schlüsseltechnologien für emissionsfreie…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11Exact matchWiesbaden, GermanyHQ recorded Sep 18, 202611-5052 contacts →

Exact match

“Hy2gen is a world leading company in developing, financing, building, and operating plants for RFNBO production.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12Exact matchHamburg, GermanyHQ recorded Sep 18, 202651-20035 contacts →

Exact match

“We have known about the negative impact of carbon emissions for years.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13Exact matchUlm, GermanyHQ recorded Sep 18, 202611-5031 contacts →

Exact match

“Wenger Engineering from Ulm, Germany is a leading global technology developer for hydrogen technology, renewable energies and energy efficiency.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14Exact matchCelle, GermanyHQ recorded Sep 18, 202651-20026 contacts →

Exact match

“Stell Dir vor, Du könntest Vorhandenes nutzen, um Neues zu schaffen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15Exact matchHeide, GermanyHQ recorded Sep 18, 202611-5022 contacts →

Exact match

“H2 Core Systems GmbH is a manufacturer of complete energy supply systems with hydrogen technology and was founded in October 2020 as a spin-off of the TC-Hydraulik Group, based in…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
16Exact matchMunich, GermanyHQ recorded Sep 18, 202611-5021 contacts →

Exact match

“Since 2012, SIQENS has been pioneering the development of innovative solutions for hydrogen infrastructure - wherever it is needed.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17Exact matchDortmund, GermanyHQ recorded Sep 18, 202611-5019 contacts →

Exact match

“We make green hydrogen possible!”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
18Exact matchWesel, GermanyHQ recorded Sep 18, 202611-5019 contacts →

Exact match

“Argo-Anleg GmbH is a medium-sized company that has specialized from an engineering office -focusing on special valve technology- to a worldwide recognized company with development…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
19Exact matchAugsburg, GermanyHQ recorded Sep 18, 2026501-1,00014 contacts →

Exact match

“H-TEC SYSTEMS stands for innovation, sustainability, and a green future.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20Exact matchLudwigshafen Am Rhein, GermanyHQ recorded Sep 18, 20261-1012 contacts →

Exact match

“Wir sind ein Green Energy Startup, das ein Verfahren entwickelt hat, um organischen Wasserstoff aus lokal anfallenden biogenen Reststoffen in einem dezentralen, CO2-negativen…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
21Exact matchRostock, GermanyHQ recorded Sep 18, 202611-5011 contacts →

Exact match

“We embrace green energy.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
22Exact matchNeuhaus-schierschnitz, GermanyHQ recorded Sep 18, 202611-5010 contacts →

Exact match

“At Kyros Hydrogen Solutions, we offer full service, customizable hydrogen generation systems for applications in all areas of industry as well as mobility.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23Exact matchEmsdetten, GermanyHQ recorded Sep 18, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24Exact matchKiel, GermanyHQ recorded Sep 18, 20261-109 contacts →

Exact match

“Hypion GmbH was established in Heide, Schleswig-Holstein, under the motto “Pioneer for Integrated Hydrogen Economies.” The Regional Development Agency Heide, IPP Projects…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
25Exact matchStuttgart, GermanyHQ recorded Sep 18, 20261-108 contacts →

Exact match

“CENmat is an innovative and vertically integrated electrolyser company that delivers the most economical, efficient, and critical raw material free electrolyser for affordable and…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase

Showing 25 of 100 sustainable hydrogen manufacturers based in Germany

See the full list, filter by size, metro and specialty, and access 2,123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable hydrogen manufacturers based in Germany at a glance

As of Sep 18, 2026
48.4%Verified-email coverage
43.9Average contacts per company
11-50Median size (employees)
11.0%Largest-city concentration · Berlin
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
28
51-200
12
201-500
4
501-1,000
4
1,001-5,000
3

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 100 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 “sustainable hydrogen 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 2,123 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 18, 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 “sustainable hydrogen manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable hydrogen manufacturers are there based in Germany?

RevenueBase identified 100 company matches for sustainable hydrogen 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?

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

Which city has the most sustainable hydrogen manufacturers?

Berlin leads with 11 company records, followed by Hamburg (7) and Munich (5).

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 2,123 professional contacts with verified work emails tracked across these 100 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 18, 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.