Company lists · Data refreshed September 2026
Top 25 Clean hydrogen developers worldwide
RevenueBase identified 1,311 company matches for clean hydrogen developers worldwide as of September 2026 and tracks 21,093 professional contacts across them, including 6,206 with verified work emails. The United States is the largest market and Madrid the largest hub.
This list covers company matches for clean hydrogen developers 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 19, 2026. Country and city lists for clean hydrogen developers 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 clean hydrogen developers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,578 contacts → | ||||
Exact match “Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,961 contacts → | ||||
Exact match “Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 786 contacts → | ||||
Exact match “We’re Accelera by Cummins - the clean energy technology brand with a bold mission: to power a more sustainable world, one zero-emissions solution at a time.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 691 contacts → | ||||
Exact match “thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 427 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 19, 2026 · View company records in RevenueBase | |||||
| 6 | 378 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 19, 2026 · View company records in RevenueBase | |||||
| 7 | 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 19, 2026 · View company records in RevenueBase | |||||
| 8 | 284 contacts → | ||||
Exact match “We are a company that can organically connect renewable energy, clean hydrogen, energy solutions, and the LNG business to create synergy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 260 contacts → | ||||
Exact match “NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 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 19, 2026 · View company records in RevenueBase | |||||
| 11 | 166 contacts → | ||||
Exact match “BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 162 contacts → | ||||
Exact match “Amogy provides carbon-free energy solutions to decarbonize hard-to-abate sectors like maritime shipping, power generation, and heavy industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 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 19, 2026 · View company records in RevenueBase | |||||
| 14 | 149 contacts → | ||||
Exact match “Symbio is a leading technology and industrial partner for sustainable mobility pioneers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 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 19, 2026 · View company records in RevenueBase | |||||
| 16 | 144 contacts → | ||||
Exact match “Today, and for decades, global warming is a reality.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 138 contacts → | ||||
Exact match “BRUSA has been innovating power systems for electromobility since 1985.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 137 contacts → | ||||
Exact match “GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 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 19, 2026 · View company records in RevenueBase | |||||
| 20 | 127 contacts → | ||||
Exact match “As of December 2021, Frames is part of Plug Power.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 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 19, 2026 · View company records in RevenueBase | |||||
| 22 | 122 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 19, 2026 · View company records in RevenueBase | |||||
| 23 | 120 contacts → | ||||
Exact match “The Lab CRIGEN is part of the ENGIE Labs network, is ENGIE Group’s corporate center for R&D and high-level expertise devoted to new energy resources (hydrogen, biogas and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 116 contacts → | ||||
Exact match “At HTEC, we’re driving the transition to low-carbon transportation by working across the hydrogen value chain.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 113 contacts → | ||||
Exact match “Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded in the RevenueBase company graph · Sep 19, 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 “clean hydrogen developers”. 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 1,311 clean hydrogen developers worldwide
See the full list, filter by size, metro and specialty, and access 6,206 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean hydrogen developers worldwide at a glance
As of Sep 19, 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 clean hydrogen developers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “clean hydrogen developers” 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 6,206 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 19, 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.
Clean hydrogen developers by location
11 lists · largest firstEvery Clean hydrogen developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean hydrogen developers based in the United States190
- Clean hydrogen developers based in Germany122
- Clean hydrogen developers based in the United Kingdom85
- Clean hydrogen developers based in India67
- Clean hydrogen developers based in Spain66
- Clean hydrogen developers based in France60
- Clean hydrogen developers based in Australia53
- Clean hydrogen developers based in Canada49
- Clean hydrogen developers based in the Netherlands43
- Clean hydrogen developers based in Italy28
- Clean hydrogen developers based in Norway25
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 “clean hydrogen developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean hydrogen developers are there worldwide?
RevenueBase identified 1,311 company matches for clean hydrogen developers 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?
Greenko Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most clean hydrogen developers?
The United States leads with 190 companies, followed by Germany (122) and the United Kingdom (85). Every clean hydrogen developers list by country and city is linked on this page.
Which city has the most clean hydrogen developers?
Madrid leads with 20 company records, followed by London (19) and Houston (13).
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 6,206 professional contacts with verified work emails tracked across these 1,311 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,311 clean hydrogen developers 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 clean hydrogen developers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,311 matching company records for clean hydrogen developers worldwide, with 21,093 tracked contacts and 6,206 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 19, 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 clean hydrogen developers 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 |  Greenko Groupgreenkogroup.comHQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 2,578 contacts → |
“Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Envision Energyenvision-group.comHQ: Huangpu District, ChinaReported employees: 1,001-5,000 | Huangpu District, China | 1,001-5,000 | Exact match | 1,961 contacts → |
“Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accelera By Cumminsaccelerazero.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 786 contacts → |
“We’re Accelera by Cummins - the clean energy technology brand with a bold mission: to power a more sustainable world, one zero-emissions solution at a time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Thyssenkrupp Nucerathyssenkrupp-nucera.comHQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 691 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sunfiresunfire.deHQ: Dresden, GermanyReported employees: 501-1,000 | Dresden, Germany | 501-1,000 | Exact match | 427 contacts → |
“Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Quest ONEquestone.comHQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 378 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SK Innovation E&sskens.com HQ: Korea, South KoreaReported employees: 501-1,000 | Korea, South Korea | 501-1,000 | Exact match | 284 contacts → |
“We are a company that can organically connect renewable energy, clean hydrogen, energy solutions, and the LNG business to create synergy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Neom Green Hydrogen Companynghc.com HQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 260 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BIGbigth.com HQ: Bangrak, ThailandReported employees: 201-500 | Bangrak, Thailand | 201-500 | Exact match | 166 contacts → |
“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  AMOGYamogy.coHQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 162 contacts → |
“Amogy provides carbon-free energy solutions to decarbonize hard-to-abate sectors like maritime shipping, power generation, and heavy industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Symbiosymbio.one HQ: St.-Fons, FranceReported employees: 501-1,000 | St.-Fons, France | 501-1,000 | Exact match | 149 contacts → |
“Symbio is a leading technology and industrial partner for sustainable mobility pioneers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Genviagenvia.comHQ: Béziers, FranceReported employees: 51-200 | Béziers, France | 51-200 | Exact match | 144 contacts → |
“Today, and for decades, global warming is a reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Brusa Hypowerbrusahypower.comHQ: Buchs, SwitzerlandReported employees: 201-500 | Buchs, Switzerland | 201-500 | Exact match | 138 contacts → |
“BRUSA has been innovating power systems for electromobility since 1985.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Geopurageopura.comHQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 137 contacts → |
“GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Framesframes-group.comHQ: Alphen Aan Den Rijn, NetherlandsReported employees: 201-500 | Alphen Aan Den Rijn, Netherlands | 201-500 | Exact match | 127 contacts → |
“As of December 2021, Frames is part of Plug Power.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sofregaz SASsofregaz.frHQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 122 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Engie LAB Crigenengie.comHQ: Stains, FranceReported employees: 51-200 | Stains, France | 51-200 | Exact match | 120 contacts → |
“The Lab CRIGEN is part of the ENGIE Labs network, is ENGIE Group’s corporate center for R&D and high-level expertise devoted to new energy resources (hydrogen, biogas and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  HTEChtec.caHQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 116 contacts → |
“At HTEC, we’re driving the transition to low-carbon transportation by working across the hydrogen value chain.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hysatahysata.comHQ: Wollongong, AustraliaReported employees: 11-50 | Wollongong, Australia | 11-50 | Exact match | 113 contacts → |
“Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,311 company matches
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Clean hydrogen developers: dataset insights
September 19, 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
1,310 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 1,311 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 19, 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 ↗
Clean hydrogen developers by location
11 lists · largest firstEvery Clean hydrogen developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean hydrogen developers based in the United States190
- Clean hydrogen developers based in Germany122
- Clean hydrogen developers based in the United Kingdom85
- Clean hydrogen developers based in India67
- Clean hydrogen developers based in Spain66
- Clean hydrogen developers based in France60
- Clean hydrogen developers based in Australia53
- Clean hydrogen developers based in Canada49
- Clean hydrogen developers based in the Netherlands43
- Clean hydrogen developers based in Italy28
- Clean hydrogen developers based in Norway25
Questions about this company list
What does Exact match mean for clean hydrogen developers?
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 clean hydrogen developers did RevenueBase find worldwide?
The saved snapshot records 1,311 matching company records, 21,093 tracked contacts and 6,206 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 19, 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 clean hydrogen developers worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/clean-hydrogen-developers.
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 clean hydrogen developers worldwide
RevenueBase records 1,311 matching company records for clean hydrogen developers worldwide, with 21,093 tracked contacts and 6,206 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 19, 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 clean hydrogen developers 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 | Greenko Groupgreenkogroup.com HQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 2,578 contacts → |
“Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Envision Energyenvision-group.com HQ: Huangpu District, ChinaReported employees: 1,001-5,000 | Huangpu District, China | 1,001-5,000 | Exact match | 1,961 contacts → |
“Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accelera By Cumminsaccelerazero.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 786 contacts → |
“We’re Accelera by Cummins - the clean energy technology brand with a bold mission: to power a more sustainable world, one zero-emissions solution at a time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Thyssenkrupp Nucerathyssenkrupp-nucera.com HQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 691 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sunfiresunfire.de HQ: Dresden, GermanyReported employees: 501-1,000 | Dresden, Germany | 501-1,000 | Exact match | 427 contacts → |
“Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Quest ONEquestone.com HQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 378 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SK Innovation E&sskens.com HQ: Korea, South KoreaReported employees: 501-1,000 | Korea, South Korea | 501-1,000 | Exact match | 284 contacts → |
“We are a company that can organically connect renewable energy, clean hydrogen, energy solutions, and the LNG business to create synergy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Neom Green Hydrogen Companynghc.com HQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 260 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BIGbigth.com HQ: Bangrak, ThailandReported employees: 201-500 | Bangrak, Thailand | 201-500 | Exact match | 166 contacts → |
“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AMOGYamogy.co HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 162 contacts → |
“Amogy provides carbon-free energy solutions to decarbonize hard-to-abate sectors like maritime shipping, power generation, and heavy industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Symbiosymbio.one HQ: St.-Fons, FranceReported employees: 501-1,000 | St.-Fons, France | 501-1,000 | Exact match | 149 contacts → |
“Symbio is a leading technology and industrial partner for sustainable mobility pioneers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Genviagenvia.com HQ: Béziers, FranceReported employees: 51-200 | Béziers, France | 51-200 | Exact match | 144 contacts → |
“Today, and for decades, global warming is a reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Brusa Hypowerbrusahypower.com HQ: Buchs, SwitzerlandReported employees: 201-500 | Buchs, Switzerland | 201-500 | Exact match | 138 contacts → |
“BRUSA has been innovating power systems for electromobility since 1985.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Geopurageopura.com HQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 137 contacts → |
“GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Framesframes-group.com HQ: Alphen Aan Den Rijn, NetherlandsReported employees: 201-500 | Alphen Aan Den Rijn, Netherlands | 201-500 | Exact match | 127 contacts → |
“As of December 2021, Frames is part of Plug Power.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sofregaz SASsofregaz.fr HQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 122 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Engie LAB Crigenengie.com HQ: Stains, FranceReported employees: 51-200 | Stains, France | 51-200 | Exact match | 120 contacts → |
“The Lab CRIGEN is part of the ENGIE Labs network, is ENGIE Group’s corporate center for R&D and high-level expertise devoted to new energy resources (hydrogen, biogas and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HTEChtec.ca HQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 116 contacts → |
“At HTEC, we’re driving the transition to low-carbon transportation by working across the hydrogen value chain.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hysatahysata.com HQ: Wollongong, AustraliaReported employees: 11-50 | Wollongong, Australia | 11-50 | Exact match | 113 contacts → |
“Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clean hydrogen developers: dataset insights
September 19, 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
1,310 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 1,311 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 19, 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 ↗
Clean hydrogen developers by location
11 lists · largest firstEvery Clean hydrogen developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean hydrogen developers based in the United States190
- Clean hydrogen developers based in Germany122
- Clean hydrogen developers based in the United Kingdom85
- Clean hydrogen developers based in India67
- Clean hydrogen developers based in Spain66
- Clean hydrogen developers based in France60
- Clean hydrogen developers based in Australia53
- Clean hydrogen developers based in Canada49
- Clean hydrogen developers based in the Netherlands43
- Clean hydrogen developers based in Italy28
- Clean hydrogen developers based in Norway25
Questions about this company list
What does Exact match mean for clean hydrogen developers?
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 clean hydrogen developers did RevenueBase find worldwide?
The saved snapshot records 1,311 matching company records, 21,093 tracked contacts and 6,206 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 19, 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 clean hydrogen developers worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/clean-hydrogen-developers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗