Company lists · Data refreshed September 2026

Top 25 Hydrogen plant manufacturers worldwide

RevenueBase identified 554 company matches for hydrogen plant manufacturers worldwide as of September 2026 and tracks 15,762 professional contacts across them, including 4,857 with verified work emails. Germany is the largest market and London the largest hub.

This list covers company matches for hydrogen plant manufacturers worldwide, 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 30, 2026. Country and city lists for hydrogen plant manufacturers follow the table.

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 30, 2026 How this list was built
554Companies
15,762Contacts tracked
4,857Verified emails
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The 25 largest hydrogen plant manufacturers worldwide

Ranked by team size
Top 25 of 554 company matches for hydrogen plant manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchChiba-shi Mihama-ku, JapanHQ recorded Sep 30, 20261,001-5,0002,760 contacts →

Exact match

“Toyo Engineering is an engineering company that constructs the plant in a global stage centering on the plant engineering field.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchDortmund, GermanyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
3Exact matchÜbach-palenberg, GermanyHQ recorded Sep 30, 20261,001-5,000606 contacts →

Exact match

“NEUMAN & ESSER is a reliable partner to the industry, driving both the energy transition and the circular economy with integrated solutions for the energy infrastructure of…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchFremont, United StatesHQ recorded Sep 30, 2026501-1,000547 contacts →

Exact match

“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchDresden, GermanyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
6Exact matchAugsburg, GermanyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
7Exact matchDevens, MA, United StatesHQ recorded Sep 30, 2026201-500346 contacts →

Exact match

“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchOslo, NorwayHQ recorded Sep 30, 2026201-500327 contacts →

Exact match

“Nel has a history tracing back to 1927 and is today a leading pure play hydrogen electrolyser technology company with a global presence.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchSheffield, United KingdomHQ recorded Sep 30, 2026201-500285 contacts →

Exact match

“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchEdmonton, AB, CanadaHQ recorded Sep 30, 2026501-1,000278 contacts →

Exact match

“Thermo Design (TDE) is an innovative energy solutions company and a recognized leader in the design and engineering, fabrication, manufacturing, construction management…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchNanterre, FranceHQ recorded Sep 30, 2026201-500236 contacts →

Exact match

“Entrepose Contracting, a subsidiary of VINCI Construction Grands Projets, designs and delivers critical energy infrastructure for the storage, treatment, and transportation of…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchAlmería, SpainHQ recorded Sep 30, 2026501-1,000216 contacts →

Exact match

“TCI GECOMP es una empresa de Ingeniería y Construcción especializada en Energías renovables e Hidrógeno Verde con presencia en España, Perú, Chile y Argentina.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchNantes, FranceHQ recorded Sep 30, 202651-200210 contacts →

Exact match

“Lhyfe is a certain idea of the world, a world in which we can meet our energy needs by being part of the natural ecosystem rather than trying to dominate it.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchPadua, ItalyHQ recorded Sep 30, 202651-200194 contacts →

Exact match

“Since June 2025, STE Energy has been acquired by, becoming part of the world.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchFoussemagne, FranceHQ recorded Sep 30, 2026201-500145 contacts →

Exact match

“As a leading "pure player" McPhy designs and manufactures a range of hydrogen production and valorization equipment, including electrolyzers built on robust and proven technology…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchAlphen Aan Den Rijn, NetherlandsHQ recorded Sep 30, 2026201-500127 contacts →

Exact match

“As of December 2021, Frames is part of Plug Power.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchBlanquefort, FranceHQ recorded Sep 30, 202651-200123 contacts →

Exact match

“HDF Energy is a leading global player in the hydrogen industry, dedicated to developing large-scale hydrogen infrastructure and advanced multi-megawatt fuel cell technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchPuteaux, FranceHQ recorded Sep 30, 202651-200122 contacts →

Exact match

“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchŠtetí, Czech RepublicHQ recorded Sep 30, 2026501-1,000119 contacts →

Exact match

“At 2JCP, we design and manufacture complex solutions for gas-fired and clean energy.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchGurgaon, IndiaHQ recorded Sep 30, 202651-200113 contacts →

Exact match

“Hygenco aims to be a global leader in deploying Green Hydrogen and Green Ammonia powered industry solutions.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchBelo Horizonte, United StatesHQ recorded Sep 30, 202651-200106 contacts →

Exact match

“NEUMAN & ESSER is a reliable partner to the industry, driving both the energy transition and the circular economy with integrated solutions for the energy infrastructure of…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchRostock-laage, GermanyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
23Exact matchGoslar, GermanyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
24Exact matchBuena Park, CA, United StatesHQ recorded Sep 30, 202651-20081 contacts →

Exact match

“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchChennai, IndiaHQ recorded Sep 30, 202651-20078 contacts →

Exact match

“BGR Tech Ltd.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 554 hydrogen plant manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 4,857 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrogen plant manufacturers worldwide at a glance

As of Sep 30, 2026
30.8%Verified-email coverage
28.5Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · London
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
229
11-50
195
51-200
80
201-500
33
501-1,000
8
1,001-5,000
7
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for hydrogen plant manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “hydrogen plant 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. 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 4,857 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 30, 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.

Hydrogen plant manufacturers by location

6 lists · largest first

Every Hydrogen plant manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “hydrogen plant manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogen plant manufacturers are there worldwide?

RevenueBase identified 554 company matches for hydrogen plant manufacturers worldwide 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?

Toyo Engineering Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hydrogen plant manufacturers?

Germany leads with 74 companies, followed by the United States (71) and Spain (31). Every hydrogen plant manufacturers list by country and city is linked on this page.

Which city has the most hydrogen plant manufacturers?

London leads with 7 company records, followed by Paris (6) and New York (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 4,857 professional contacts with verified work emails tracked across these 554 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 30, 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.