Company lists · Data refreshed September 2026
Top 25 Hydrogen producers worldwide
RevenueBase identified 377 company matches for hydrogen producers worldwide as of September 2026 and tracks 5,988 professional contacts across them, including 2,439 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for hydrogen producers 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 20, 2026. Country and city lists for hydrogen producers 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.
The 25 largest hydrogen producers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 547 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 20, 2026 · View company records in RevenueBase | |||||
| 2 | 455 contacts → | ||||
Exact match “Created at the end of 2009, CVE is a French multi-energy, multi-country renewable energy producer.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 346 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 20, 2026 · View company records in RevenueBase | |||||
| 4 | 327 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 20, 2026 · View company records in RevenueBase | |||||
| 5 | 285 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 20, 2026 · View company records in RevenueBase | |||||
| 6 | 210 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 20, 2026 · View company records in RevenueBase | |||||
| 7 | 179 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 149 contacts → | ||||
Exact match “AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 145 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 20, 2026 · View company records in RevenueBase | |||||
| 10 | 131 contacts → | ||||
Exact match “AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 130 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 127 contacts → | ||||
Exact match “Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 123 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 20, 2026 · View company records in RevenueBase | |||||
| 14 | 108 contacts → | ||||
Exact match “Cavendish Hydrogen is a global leader in hydrogen fueling solutions for the mobility sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 85 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 20, 2026 · View company records in RevenueBase | |||||
| 16 | 71 contacts → | ||||
Exact match “SHIFT POWER ENERGIZE YOUR WORLD Hydrogenics, a Cummins company, is an industry leader in designing, manufacturing, building and installing industrial and commercial Hydrogen…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 69 contacts → | ||||
Exact match “Founded in 2011, Amp Americas builds, manages, operates and maintains RNG production facilities that convert dairy waste into carbon-negative hydrogen, renewable transportation…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 62 contacts → | ||||
Exact match “Next Hydrogen water electrolysers provide utility-scale clean hydrogen for energy storage, economically.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 61 contacts → | ||||
Exact match “HydrogenPro aims to become a world leading designer and supplier of alkaline electrolyser technology and systems to meet the highest standard for safety, reliability and long…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 60 contacts → | ||||
Exact match “H2B2 is a technology-based company that promotes, develops, finances, designs, integrates, builds, operates and maintains systems based on electrolyzers for hydrogen production…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 57 contacts → | ||||
Exact match “Stargate Hydrogen is a European electrolyser technology company developing industrial hydrogen production systems for infrastructure and energy resilience projects.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 52 contacts → | ||||
Exact match “BayoTech is committed to addressing the global need for reliable, cost-effective and low-carbon hydrogen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 50 contacts → | ||||
Exact match “For too long, hydrogen was held back.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 50 contacts → | ||||
Exact match “HyGear makes reliable, affordable, on-site and on-demand (bio)hydrogen accessible.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 41 contacts → | ||||
Exact match “PowerUP provides clean and portable energy by delivering hydrogen fuel cell backup generators that can be used for various industries - including construction, telecommunications…” Recorded in the RevenueBase company graph · Sep 20, 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 “hydrogen producers”. 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 377 hydrogen producers worldwide
See the full list, filter by size, metro and specialty, and access 2,439 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrogen producers worldwide at a glance
As of Sep 20, 2026Companies by employee count
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 producers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hydrogen producers” 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 2,439 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 20, 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 producers by location
3 lists · largest firstEvery Hydrogen producers 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 producers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogen producers are there worldwide?
RevenueBase identified 377 company matches for hydrogen producers 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?
Ohmium tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hydrogen producers?
The United States leads with 72 companies, followed by Germany (31) and the United Kingdom (30). Every hydrogen producers list by country and city is linked on this page.
Which city has the most hydrogen producers?
London leads with 6 company records, followed by Berlin (5) and Houston (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 2,439 professional contacts with verified work emails tracked across these 377 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 377 hydrogen producers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 hydrogen producers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 377 matching company records for hydrogen producers worldwide, with 5,988 tracked contacts and 2,439 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 20, 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 hydrogen producers worldwide
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 | Ohmiumohmium.com HQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 547 contacts → |
“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CVE Changing Visions Of Energycvegroup.comHQ: France, United StatesReported employees: 201-500 | France, United States | 201-500 | Exact match | 455 contacts → |
“Created at the end of 2009, CVE is a French multi-energy, multi-country renewable energy producer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Electric Hydrogeneh2.comHQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 346 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  NEL Hydrogennelhydrogen.comHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 327 contacts → |
“Nel has a history tracing back to 1927 and is today a leading pure play hydrogen electrolyser technology company with a global presence.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ITM Poweritm-power.comHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 285 contacts → |
“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  LHYFElhyfe.comHQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 210 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Elogenelogenh2.comHQ: Les Ulis, FranceReported employees: 51-200 | Les Ulis, France | 51-200 | Exact match | 179 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AFC Energyafcenergy.com HQ: Cranleigh, United KingdomReported employees: 51-200 | Cranleigh, United Kingdom | 51-200 | Exact match | 149 contacts → |
“AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MCPHYmcphy.comHQ: Foussemagne, FranceReported employees: 201-500 | Foussemagne, France | 201-500 | Exact match | 145 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AM Green Groupamgreen.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 131 contacts → |
“AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Oneh2, INConeh2.comHQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Hynamicshynamics.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 127 contacts → |
“Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  HDF Energyhdf-energy.comHQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 123 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cavendish Hydrogencavendishh2.com HQ: Herning, DenmarkReported employees: 201-500 | Herning, Denmark | 201-500 | Exact match | 108 contacts → |
“Cavendish Hydrogen is a global leader in hydrogen fueling solutions for the mobility sector.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fest Gmbhfest-group.deHQ: Goslar, GermanyReported employees: 51-200 | Goslar, Germany | 51-200 | Exact match | 85 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hydrogenicshydrogenics.comHQ: Mississauga, ON, CanadaReported employees: 201-500 | Mississauga, ON, Canada | 201-500 | Exact match | 71 contacts → |
“SHIFT POWER ENERGIZE YOUR WORLD Hydrogenics, a Cummins company, is an industry leader in designing, manufacturing, building and installing industrial and commercial Hydrogen…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AMP Americasampamericas.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 69 contacts → |
“Founded in 2011, Amp Americas builds, manages, operates and maintains RNG production facilities that convert dairy waste into carbon-negative hydrogen, renewable transportation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Next Hydrogennexthydrogen.comHQ: Mississauga, ON, CanadaReported employees: 11-50 | Mississauga, ON, Canada | 11-50 | Exact match | 62 contacts → |
“Next Hydrogen water electrolysers provide utility-scale clean hydrogen for energy storage, economically.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Hydrogenprohydrogenpro.comHQ: Porsgrunn/skien, NorwayReported employees: 201-500 | Porsgrunn/skien, Norway | 201-500 | Exact match | 61 contacts → |
“HydrogenPro aims to become a world leading designer and supplier of alkaline electrolyser technology and systems to meet the highest standard for safety, reliability and long…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Dos Hermanas, SpainReported employees: 11-50 | Dos Hermanas, Spain | 11-50 | Exact match | 60 contacts → |
“H2B2 is a technology-based company that promotes, develops, finances, designs, integrates, builds, operates and maintains systems based on electrolyzers for hydrogen production…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stargate Hydrogenstargatehydrogen.com HQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 57 contacts → |
“Stargate Hydrogen is a European electrolyser technology company developing industrial hydrogen production systems for infrastructure and energy resilience projects.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Bayotech Hydrogenbayotech.usHQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 52 contacts → |
“BayoTech is committed to addressing the global need for reliable, cost-effective and low-carbon hydrogen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Clean Power Hydrogen PLCcph2.comHQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 50 contacts → |
“For too long, hydrogen was held back.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Hygearhygear.comHQ: Arnhem, NetherlandsReported employees: 11-50 | Arnhem, Netherlands | 11-50 | Exact match | 50 contacts → |
“HyGear makes reliable, affordable, on-site and on-demand (bio)hydrogen accessible.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Powerup Energy Technologiespowerup-tech.com HQ: Tallinn, EstoniaReported employees: 11-50 | Tallinn, Estonia | 11-50 | Exact match | 41 contacts → |
“PowerUP provides clean and portable energy by delivering hydrogen fuel cell backup generators that can be used for various industries - including construction, telecommunications…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 377 company matches
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Hydrogen producers: dataset insights
September 20, 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
376 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 377 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 20, 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 ↗
Hydrogen producers by location
3 lists · largest firstEvery Hydrogen producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for hydrogen producers?
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 hydrogen producers did RevenueBase find worldwide?
The saved snapshot records 377 matching company records, 5,988 tracked contacts and 2,439 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 20, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hydrogen producers worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/hydrogen-producers.
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 hydrogen producers worldwide
RevenueBase records 377 matching company records for hydrogen producers worldwide, with 5,988 tracked contacts and 2,439 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 20, 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 hydrogen producers worldwide
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 | Ohmiumohmium.com HQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 547 contacts → |
“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CVE Changing Visions Of Energycvegroup.com HQ: France, United StatesReported employees: 201-500 | France, United States | 201-500 | Exact match | 455 contacts → |
“Created at the end of 2009, CVE is a French multi-energy, multi-country renewable energy producer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Electric Hydrogeneh2.com HQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 346 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | NEL Hydrogennelhydrogen.com HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 327 contacts → |
“Nel has a history tracing back to 1927 and is today a leading pure play hydrogen electrolyser technology company with a global presence.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ITM Poweritm-power.com HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 285 contacts → |
“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LHYFElhyfe.com HQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 210 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Elogenelogenh2.com HQ: Les Ulis, FranceReported employees: 51-200 | Les Ulis, France | 51-200 | Exact match | 179 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AFC Energyafcenergy.com HQ: Cranleigh, United KingdomReported employees: 51-200 | Cranleigh, United Kingdom | 51-200 | Exact match | 149 contacts → |
“AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MCPHYmcphy.com HQ: Foussemagne, FranceReported employees: 201-500 | Foussemagne, France | 201-500 | Exact match | 145 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AM Green Groupamgreen.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 131 contacts → |
“AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Oneh2, INConeh2.com HQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Hynamicshynamics.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 127 contacts → |
“Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HDF Energyhdf-energy.com HQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 123 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cavendish Hydrogencavendishh2.com HQ: Herning, DenmarkReported employees: 201-500 | Herning, Denmark | 201-500 | Exact match | 108 contacts → |
“Cavendish Hydrogen is a global leader in hydrogen fueling solutions for the mobility sector.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fest Gmbhfest-group.de HQ: Goslar, GermanyReported employees: 51-200 | Goslar, Germany | 51-200 | Exact match | 85 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hydrogenicshydrogenics.com HQ: Mississauga, ON, CanadaReported employees: 201-500 | Mississauga, ON, Canada | 201-500 | Exact match | 71 contacts → |
“SHIFT POWER ENERGIZE YOUR WORLD Hydrogenics, a Cummins company, is an industry leader in designing, manufacturing, building and installing industrial and commercial Hydrogen…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AMP Americasampamericas.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 69 contacts → |
“Founded in 2011, Amp Americas builds, manages, operates and maintains RNG production facilities that convert dairy waste into carbon-negative hydrogen, renewable transportation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Next Hydrogennexthydrogen.com HQ: Mississauga, ON, CanadaReported employees: 11-50 | Mississauga, ON, Canada | 11-50 | Exact match | 62 contacts → |
“Next Hydrogen water electrolysers provide utility-scale clean hydrogen for energy storage, economically.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hydrogenprohydrogenpro.com HQ: Porsgrunn/skien, NorwayReported employees: 201-500 | Porsgrunn/skien, Norway | 201-500 | Exact match | 61 contacts → |
“HydrogenPro aims to become a world leading designer and supplier of alkaline electrolyser technology and systems to meet the highest standard for safety, reliability and long…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Dos Hermanas, SpainReported employees: 11-50 | Dos Hermanas, Spain | 11-50 | Exact match | 60 contacts → |
“H2B2 is a technology-based company that promotes, develops, finances, designs, integrates, builds, operates and maintains systems based on electrolyzers for hydrogen production…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stargate Hydrogenstargatehydrogen.com HQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 57 contacts → |
“Stargate Hydrogen is a European electrolyser technology company developing industrial hydrogen production systems for infrastructure and energy resilience projects.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bayotech Hydrogenbayotech.us HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 52 contacts → |
“BayoTech is committed to addressing the global need for reliable, cost-effective and low-carbon hydrogen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clean Power Hydrogen PLCcph2.com HQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 50 contacts → |
“For too long, hydrogen was held back.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hygearhygear.com HQ: Arnhem, NetherlandsReported employees: 11-50 | Arnhem, Netherlands | 11-50 | Exact match | 50 contacts → |
“HyGear makes reliable, affordable, on-site and on-demand (bio)hydrogen accessible.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Powerup Energy Technologiespowerup-tech.com HQ: Tallinn, EstoniaReported employees: 11-50 | Tallinn, Estonia | 11-50 | Exact match | 41 contacts → |
“PowerUP provides clean and portable energy by delivering hydrogen fuel cell backup generators that can be used for various industries - including construction, telecommunications…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 377 company matches
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Hydrogen producers: dataset insights
September 20, 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
376 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 377 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 20, 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 ↗
Hydrogen producers by location
3 lists · largest firstEvery Hydrogen producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for hydrogen producers?
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 hydrogen producers did RevenueBase find worldwide?
The saved snapshot records 377 matching company records, 5,988 tracked contacts and 2,439 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 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 hydrogen producers worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/hydrogen-producers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗