Company lists · Data refreshed November 2026
Top 25 Green hydrogen producers worldwide
RevenueBase identified 760 company matches for green hydrogen producers worldwide as of November 2026 and tracks 22,705 professional contacts across them, including 7,921 with verified work emails. The United States is the largest market and Madrid the largest hub.
This list covers company matches for green 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 November 6, 2026. Country and city lists for green 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 green hydrogen producers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,737 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,311 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,060 contacts → | ||||
Exact match “Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 790 contacts → | ||||
Exact match “Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 739 contacts → | ||||
Exact match “thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 626 contacts → | ||||
Exact match “Hero Future Energies (An ISO 27001:2022 Certified Company) is a leading global renewable energy company and part of the illustrious Hero Group, one of the most respected business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 546 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 528 contacts → | ||||
Exact match “OGE lässt gasförmige Moleküle fließen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 462 contacts → | ||||
Exact match “At Petrotec Group, we are more than a provider of mobility solutions, we are enablers of progress across multiple energy sources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 443 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 416 contacts → | ||||
Exact match “GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 375 contacts → | ||||
Exact match “As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 334 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 302 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 301 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 301 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 245 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 237 contacts → | ||||
Exact match “TCI GECOMP es una empresa de Ingeniería y Construcción especializada en Energías renovables e Hidrógeno Verde con presencia en España, Perú, Chile y Argentina.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 213 contacts → | ||||
Exact match “Grupo Redexis es un conjunto de sociedades de infraestructuras comprometidas con la transición energética, el desarrollo de los gases renovables y el crecimiento sostenible…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 205 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 181 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 167 contacts → | ||||
Exact match “Enapter develops and manufactures AEM Electrolysers – disruptive devices producing green hydrogen to replace fossil fuels.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 163 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 152 contacts → | ||||
Exact match “Today, and for decades, global warming is a reality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 144 contacts → | ||||
Exact match “TES is a global green energy company focused on developing giga-scale projects to produce hydrogen-based e-fuels, such as e-NG (electric natural gas made from green hydrogen and…” Recorded in the RevenueBase company graph · Nov 6, 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 “green 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 760 green hydrogen producers worldwide
See the full list, filter by size, metro and specialty, and access 7,921 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Green hydrogen producers worldwide at a glance
As of Nov 6, 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 green hydrogen producers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “green 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 7,921 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 November 6, 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.
Green hydrogen producers by location
9 lists · largest firstEvery Green hydrogen producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen producers based in the United States99
- Green hydrogen producers based in the United Kingdom69
- Green hydrogen producers based in Germany67
- Green hydrogen producers based in India53
- Green hydrogen producers based in Spain43
- Green hydrogen producers based in Australia33
- Green hydrogen producers based in Canada30
- Green hydrogen producers based in France30
- Green hydrogen producers based in the Netherlands26
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 “green hydrogen producers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green hydrogen producers are there worldwide?
RevenueBase identified 760 company matches for green hydrogen producers worldwide as of November 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 green hydrogen producers?
The United States leads with 99 companies, followed by the United Kingdom (69) and Germany (67). Every green hydrogen producers list by country and city is linked on this page.
Which city has the most green hydrogen producers?
Madrid leads with 15 company records, followed by London (11) and Berlin (8).
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 7,921 professional contacts with verified work emails tracked across these 760 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 760 green 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 green 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 760 matching company records for green hydrogen producers worldwide, with 22,705 tracked contacts and 7,921 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: November 6, 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 green 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 |  Greenko Groupgreenkogroup.comHQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 2,737 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 · November 6, 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 | 2,311 contacts → |
“Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Plug Powerplugpower.comHQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 2,060 contacts → |
“Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Stegrastegra.comHQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 790 contacts → |
“Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Thyssenkrupp Nucerathyssenkrupp-nucera.comHQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 739 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hero Future Energiesherofutureenergies.comHQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 626 contacts → |
“Hero Future Energies (An ISO 27001:2022 Certified Company) is a leading global renewable energy company and part of the illustrious Hero Group, one of the most respected business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ohmiumohmium.comHQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 546 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  OGEoge.netHQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 528 contacts → |
“OGE lässt gasförmige Moleküle fließen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Petrotec Grouppetrotec.comHQ: Guimarães, PortugalReported employees: 1,001-5,000 | Guimarães, Portugal | 1,001-5,000 | Exact match | 462 contacts → |
“At Petrotec Group, we are more than a provider of mobility solutions, we are enablers of progress across multiple energy sources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  CVE Changing Visions Of Energycvegroup.comHQ: France, United StatesReported employees: 201-500 | France, United States | 201-500 | Exact match | 443 contacts → |
“Created at the end of 2009, CVE is a French multi-energy, multi-country renewable energy producer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  GP Joulegp-joule.comHQ: Reußenköge, GermanyReported employees: 501-1,000 | Reußenköge, Germany | 501-1,000 | Exact match | 416 contacts → |
“GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Quest ONEquestone.comHQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 375 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  SK Innovation E&sskens.comHQ: Korea, South KoreaReported employees: 501-1,000 | Korea, South Korea | 501-1,000 | Exact match | 334 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NEL Hydrogennelhydrogen.comHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 302 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ITM Poweritm-power.comHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 301 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Neom Green Hydrogen Companynghc.comHQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 301 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hyaxiom, INChyaxiom.comHQ: South Windsor, CT, United StatesReported employees: 201-500 | South Windsor, CT, United States | 201-500 | Exact match | 245 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  TCI Gecomptci-gecomp.comHQ: Almería, SpainReported employees: 501-1,000 | Almería, Spain | 501-1,000 | Exact match | 237 contacts → |
“TCI GECOMP es una empresa de Ingeniería y Construcción especializada en Energías renovables e Hidrógeno Verde con presencia en España, Perú, Chile y Argentina.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Redexisredexis.esHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 213 contacts → |
“Grupo Redexis es un conjunto de sociedades de infraestructuras comprometidas con la transición energética, el desarrollo de los gases renovables y el crecimiento sostenible…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  LHYFElhyfe.comHQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 205 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  BIGbigth.comHQ: Bangrak, ThailandReported employees: 201-500 | Bangrak, Thailand | 201-500 | Exact match | 181 contacts → |
“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Enapterenapter.comHQ: Saerbeck, ItalyReported employees: 201-500 | Saerbeck, Italy | 201-500 | Exact match | 167 contacts → |
“Enapter develops and manufactures AEM Electrolysers – disruptive devices producing green hydrogen to replace fossil fuels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Geopurageopura.comHQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 163 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Genviagenvia.comHQ: Béziers, FranceReported employees: 51-200 | Béziers, France | 51-200 | Exact match | 152 contacts → |
“Today, and for decades, global warming is a reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  TEStes-h2.comHQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 144 contacts → |
“TES is a global green energy company focused on developing giga-scale projects to produce hydrogen-based e-fuels, such as e-NG (electric natural gas made from green hydrogen and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 760 company matches
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Green hydrogen producers: dataset insights
November 6, 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
760 records in the displayed employee bands.
0 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 760 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: November 6, 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 ↗
Green hydrogen producers by location
9 lists · largest firstEvery Green hydrogen producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen producers based in the United States99
- Green hydrogen producers based in the United Kingdom69
- Green hydrogen producers based in Germany67
- Green hydrogen producers based in India53
- Green hydrogen producers based in Spain43
- Green hydrogen producers based in Australia33
- Green hydrogen producers based in Canada30
- Green hydrogen producers based in France30
- Green hydrogen producers based in the Netherlands26
Questions about this company list
What does Exact match mean for green 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 green hydrogen producers did RevenueBase find worldwide?
The saved snapshot records 760 matching company records, 22,705 tracked contacts and 7,921 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: November 6, 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 green hydrogen producers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/green-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 green hydrogen producers worldwide
RevenueBase records 760 matching company records for green hydrogen producers worldwide, with 22,705 tracked contacts and 7,921 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: November 6, 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 green 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 | Greenko Groupgreenkogroup.com HQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 2,737 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 · November 6, 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 | 2,311 contacts → |
“Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Plug Powerplugpower.com HQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 2,060 contacts → |
“Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Stegrastegra.com HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 790 contacts → |
“Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Thyssenkrupp Nucerathyssenkrupp-nucera.com HQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 739 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hero Future Energiesherofutureenergies.com HQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 626 contacts → |
“Hero Future Energies (An ISO 27001:2022 Certified Company) is a leading global renewable energy company and part of the illustrious Hero Group, one of the most respected business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ohmiumohmium.com HQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 546 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OGEoge.net HQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 528 contacts → |
“OGE lässt gasförmige Moleküle fließen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Petrotec Grouppetrotec.com HQ: Guimarães, PortugalReported employees: 1,001-5,000 | Guimarães, Portugal | 1,001-5,000 | Exact match | 462 contacts → |
“At Petrotec Group, we are more than a provider of mobility solutions, we are enablers of progress across multiple energy sources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | CVE Changing Visions Of Energycvegroup.com HQ: France, United StatesReported employees: 201-500 | France, United States | 201-500 | Exact match | 443 contacts → |
“Created at the end of 2009, CVE is a French multi-energy, multi-country renewable energy producer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GP Joulegp-joule.com HQ: Reußenköge, GermanyReported employees: 501-1,000 | Reußenköge, Germany | 501-1,000 | Exact match | 416 contacts → |
“GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quest ONEquestone.com HQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 375 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SK Innovation E&sskens.com HQ: Korea, South KoreaReported employees: 501-1,000 | Korea, South Korea | 501-1,000 | Exact match | 334 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NEL Hydrogennelhydrogen.com HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 302 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ITM Poweritm-power.com HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 301 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Neom Green Hydrogen Companynghc.com HQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 301 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hyaxiom, INChyaxiom.com HQ: South Windsor, CT, United StatesReported employees: 201-500 | South Windsor, CT, United States | 201-500 | Exact match | 245 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | TCI Gecomptci-gecomp.com HQ: Almería, SpainReported employees: 501-1,000 | Almería, Spain | 501-1,000 | Exact match | 237 contacts → |
“TCI GECOMP es una empresa de Ingeniería y Construcción especializada en Energías renovables e Hidrógeno Verde con presencia en España, Perú, Chile y Argentina.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Redexisredexis.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 213 contacts → |
“Grupo Redexis es un conjunto de sociedades de infraestructuras comprometidas con la transición energética, el desarrollo de los gases renovables y el crecimiento sostenible…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LHYFElhyfe.com HQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 205 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | BIGbigth.com HQ: Bangrak, ThailandReported employees: 201-500 | Bangrak, Thailand | 201-500 | Exact match | 181 contacts → |
“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Enapterenapter.com HQ: Saerbeck, ItalyReported employees: 201-500 | Saerbeck, Italy | 201-500 | Exact match | 167 contacts → |
“Enapter develops and manufactures AEM Electrolysers – disruptive devices producing green hydrogen to replace fossil fuels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Geopurageopura.com HQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 163 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Genviagenvia.com HQ: Béziers, FranceReported employees: 51-200 | Béziers, France | 51-200 | Exact match | 152 contacts → |
“Today, and for decades, global warming is a reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | TEStes-h2.com HQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 144 contacts → |
“TES is a global green energy company focused on developing giga-scale projects to produce hydrogen-based e-fuels, such as e-NG (electric natural gas made from green hydrogen and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Green hydrogen producers: dataset insights
November 6, 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
760 records in the displayed employee bands.
0 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 760 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: November 6, 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 ↗
Green hydrogen producers by location
9 lists · largest firstEvery Green hydrogen producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen producers based in the United States99
- Green hydrogen producers based in the United Kingdom69
- Green hydrogen producers based in Germany67
- Green hydrogen producers based in India53
- Green hydrogen producers based in Spain43
- Green hydrogen producers based in Australia33
- Green hydrogen producers based in Canada30
- Green hydrogen producers based in France30
- Green hydrogen producers based in the Netherlands26
Questions about this company list
What does Exact match mean for green 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 green hydrogen producers did RevenueBase find worldwide?
The saved snapshot records 760 matching company records, 22,705 tracked contacts and 7,921 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: November 6, 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 green hydrogen producers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/green-hydrogen-producers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗