Company lists · Data refreshed September 2026

Top 25 Hydrogen generation equipment suppliers worldwide

RevenueBase identified 703 hydrogen generation equipment suppliers worldwide as of September 2026 and tracks 16,348 professional contacts across them, including 6,287 with verified work emails. The United States is the largest market and Shanghai the largest hub.

This list covers hydrogen generation equipment suppliers worldwide, 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 20, 2026. Country and city lists for hydrogen generation equipment suppliers follow the table.

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 20, 2026 86% judged on-target in blind review
703Companies
16,348Contacts tracked
6,287Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest hydrogen generation equipment suppliers worldwide

Ranked by team size
Top 25 of 703 hydrogen generation equipment suppliers worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to hydrogen generation equipment suppliers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 20, 20261,001-5,0002,221 contacts →

Indirect evidence

“Bloom Energy empowers businesses and communities to responsibly take charge of their energy.”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceBurnaby, CanadaHQ checked Sep 20, 2026501-1,000827 contacts →

Partial evidence

“Ballard Power Systems Inc, is a world leader in the development, manufacture, sale and servicing of hydrogen fuel cell power systems.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceDortmund, GermanyHQ checked Sep 20, 20261,001-5,000691 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceÜbach-palenberg, GermanyHQ checked Sep 20, 20261,001-5,000606 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceFremont, United StatesHQ checked Sep 20, 2026501-1,000547 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceDresden, GermanyHQ checked Sep 20, 2026501-1,000427 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceAugsburg, GermanyHQ checked Sep 20, 2026501-1,000378 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceDevens, MA, United StatesHQ checked Sep 20, 2026201-500346 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceOslo, NorwayHQ checked Sep 20, 2026201-500327 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceSheffield, United KingdomHQ checked Sep 20, 2026201-500285 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceNantes, FranceHQ checked Sep 20, 202651-200210 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 20, 2026
12Strong evidenceBurnaby, BC, CanadaHQ checked Sep 20, 2026201-500191 contacts →

Strong evidence

“Greenlight Innovation is the leading global supplier of testing and manufacturing solutions for hydrogen fuel cells, electrolysers, and lithium batterie packs.”

Source: RevenueBase Database · checked Sep 20, 2026
13Partial evidenceLes Ulis, FranceHQ checked Sep 20, 202651-200179 contacts →

Partial evidence

“ELOGEN is a technology provider specialized in the design, the manufacturing and the maintenance of Hydrogen generators using water electrolysis, based on Proton Exchange Membrane…”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceSaerbeck, ItalyHQ checked Sep 20, 2026201-500168 contacts →

Partial evidence

“Enapter develops and manufactures AEM Electrolysers – disruptive devices producing green hydrogen to replace fossil fuels.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceBenicia, CA, United StatesHQ checked Sep 20, 202651-200152 contacts →

Strong evidence

“Serving critical infrastructure markets, RIX Industries is a global leader in the design, development, and manufacturing of hydrogen and gas generation systems, precision high…”

Source: RevenueBase Database · checked Sep 20, 2026
16Strong evidenceFoussemagne, FranceHQ checked Sep 20, 2026201-500145 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceAlphen Aan Den Rijn, NetherlandsHQ checked Sep 20, 2026201-500127 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceSegrate, ItalyHQ checked Sep 20, 202651-200125 contacts →

Indirect evidence

“FRIEM is an Italian company founded in 1950, specialized in high-power energy conversion systems for industrial applications and the energy transition.”

Source: RevenueBase Database · checked Sep 20, 2026
19Partial evidenceBlanquefort, FranceHQ checked Sep 20, 202651-200123 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceWollongong, AustraliaHQ checked Sep 20, 202611-50113 contacts →

Partial evidence

“Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceSouderton, PA, United StatesHQ checked Sep 20, 202651-200107 contacts →

Indirect evidence

“PDC Machines is the global authority on diaphragm compression solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidencePóvoa De Varzim, PortugalHQ checked Sep 20, 202651-200106 contacts →

Indirect evidence

“SYSADVANCE is a technology company founded in 2002.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceBelo Horizonte, United StatesHQ checked Sep 20, 202651-200106 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceRostock-laage, GermanyHQ checked Sep 20, 202651-20099 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceBarleben, GermanyHQ checked Sep 20, 2026201-50092 contacts →

Indirect evidence

“The future can only be influenced if we lay the foundation for it today.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 703 hydrogen generation equipment suppliers worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 6,287 reachable decision-makers.

Free signup · no credit card

View the full list →

Hydrogen generation equipment suppliers worldwide at a glance

As of Sep 20, 2026
38.5%Verified-email coverage
23.3Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Shanghai
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
265
11-50
242
51-200
113
201-500
54
501-1,000
10
1,001-5,000
10
5,001-10,000
1
10001+
7

Email recency is reported on each country list linked below.

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 hydrogen generation equipment suppliers, 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.
Coverage
Every country. Country and city lists for hydrogen generation equipment suppliers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “hydrogen generation equipment suppliers”. 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 hydrogen generation equipment suppliers), 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 hydrogen generation equipment suppliers, and records with no verified work email.
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, 6,287 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 20, 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.

Hydrogen generation equipment suppliers by location

7 lists · largest first

Every Hydrogen generation equipment suppliers 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 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 hydrogen generation equipment suppliers, 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 hydrogen generation equipment suppliers are there worldwide?

RevenueBase identified 703 hydrogen generation equipment suppliers worldwide 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?

Bloom Energy, headquartered in San Jose, tops this list with the largest team on record.

Which country has the most hydrogen generation equipment suppliers?

The United States leads with 86 companies, followed by India (67) and Germany (63). Every hydrogen generation equipment suppliers list by country and city is linked on this page.

Which city has the most hydrogen generation equipment suppliers?

Shanghai leads with 8 headquartered companies, followed by Singapore (8) and Ahmedabad (7).

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 6,287 verified decision-maker contacts tracked across these 703 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 703 hydrogen generation equipment suppliers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.