Company lists · Data refreshed November 2026
Top 25 Green hydrogen engineering companies worldwide
RevenueBase identified 2,481 company matches for green hydrogen engineering companies worldwide as of November 2026 and tracks 77,475 professional contacts across them, including 31,146 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for green hydrogen engineering companies 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 engineering companies 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 engineering companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 25,123 contacts → | ||||
Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 4,690 contacts → | ||||
Exact match “ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 1,741 contacts → | ||||
Exact match “Somos una compañía comprometida con la energía y la movilidad sostenibles basadas en moléculas verdes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 796 contacts → | ||||
Exact match “GPS Renewables is India's leading full-stack biofuels firm, offering technology & EPC to project development solutions for bioCNG, Ethanol & Green H2.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 731 contacts → | ||||
Exact match “M/s VIKRAN Engineering Ltd is a reputed and established engineering company specializing in providing comprehensive solutions in the fields of renewable energy, engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 551 contacts → | ||||
Exact match “Somos uma empresa com uma grande experiência integral em energia sustentável fortemente comprometida com a Transição Energética.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 505 contacts → | ||||
Exact match “Duro Felguera is a global company based in Asturias.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 460 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 434 contacts → | ||||
Exact match “Our vision is to lead the industry in quality and create a company where exceptional people thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 380 contacts → | ||||
Exact match “DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 343 contacts → | ||||
Exact match “A highly experienced, multidisciplinary engineering and management firm, GPA has consulted and provided engineering, procurement and construction management (EPCM) services, since…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 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 | |||||
| 20 | 316 contacts → | ||||
Exact match “Enereco is an independent and privately owned engineering company founded with the purpose of delivering customised, quality engineering and project services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 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 | |||||
| 23 | 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 | |||||
| 24 | 290 contacts → | ||||
Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 283 contacts → | ||||
Exact match “Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded in the RevenueBase company graph · 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 engineering companies”. 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 2,481 green hydrogen engineering companies worldwide
See the full list, filter by size, metro and specialty, and access 31,146 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Green hydrogen engineering companies 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 engineering companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “green hydrogen engineering companies” 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 31,146 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 engineering companies by location
17 lists · largest firstEvery Green hydrogen engineering companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen engineering companies based in the United States215
- Green hydrogen engineering companies based in Germany199
- Green hydrogen engineering companies based in the United Kingdom173
- Green hydrogen engineering companies based in India148
- Green hydrogen engineering companies based in Spain136
- Green hydrogen engineering companies based in France116
- Green hydrogen engineering companies based in Italy101
- Green hydrogen engineering companies based in Canada85
- Green hydrogen engineering companies based in Australia83
- Green hydrogen engineering companies based in the Netherlands81
- Green hydrogen engineering companies based in Brazil71
- Green hydrogen engineering companies based in Norway49
- Green hydrogen engineering companies based in Türkiye48
- Green hydrogen engineering companies based in Switzerland35
- Green hydrogen engineering companies based in Poland30
Cities
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 engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green hydrogen engineering companies are there worldwide?
RevenueBase identified 2,481 company matches for green hydrogen engineering companies 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?
Atkinsréalis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most green hydrogen engineering companies?
The United States leads with 215 companies, followed by Germany (199) and the United Kingdom (173). Every green hydrogen engineering companies list by country and city is linked on this page.
Which city has the most green hydrogen engineering companies?
London leads with 39 company records, followed by Madrid (37) and Calgary (24).
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 31,146 professional contacts with verified work emails tracked across these 2,481 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 2,481 green hydrogen engineering companies 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 engineering companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,481 matching company records for green hydrogen engineering companies worldwide, with 77,475 tracked contacts and 31,146 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 engineering companies 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 |  Atkinsréalisatkinsrealis.comHQ: Montreal, QC, CanadaReported employees: 10001+ | Montreal, QC, Canada | 10001+ | Exact match | 25,123 contacts → |
“We are a world-class engineering services and nuclear organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RENEWrenew.comHQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 4,690 contacts → |
“ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  MOEVEmoeveglobal.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 1,741 contacts → |
“Somos una compañía comprometida con la energía y la movilidad sostenibles basadas en moléculas verdes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  GPS Renewablesgpsrenewables.comHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 796 contacts → |
“GPS Renewables is India's leading full-stack biofuels firm, offering technology & EPC to project development solutions for bioCNG, Ethanol & Green H2.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  Vikran Engineering LTDvikrangroup.comHQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 731 contacts → |
“M/s VIKRAN Engineering Ltd is a reputed and established engineering company specializing in providing comprehensive solutions in the fields of renewable energy, engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Amara Nzero Brasilamaranzero.com.brHQ: Salvador, BrazilReported employees: 501-1,000 | Salvador, Brazil | 501-1,000 | Exact match | 551 contacts → |
“Somos uma empresa com uma grande experiência integral em energia sustentável fortemente comprometida com a Transição Energética.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  Df-Duro Felgueradurofelguera.comHQ: Gijón, SpainReported employees: 1,001-5,000 | Gijón, Spain | 1,001-5,000 | Exact match | 505 contacts → |
“Duro Felguera is a global company based in Asturias.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sunfiresunfire.deHQ: Dresden, GermanyReported employees: 501-1,000 | Dresden, Germany | 501-1,000 | Exact match | 460 contacts → |
“Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Equinox Engineering LTDequinox-eng.comHQ: Calgary, TX, CanadaReported employees: 501-1,000 | Calgary, TX, Canada | 501-1,000 | Exact match | 434 contacts → |
“Our vision is to lead the industry in quality and create a company where exceptional people thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Doris Groupdorisgroup.comHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 380 contacts → |
“DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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. | |||||
| 18 |  GPA Engineeringgpaeng.com.auHQ: Unley, AustraliaReported employees: 201-500 | Unley, Australia | 201-500 | Exact match | 343 contacts → |
“A highly experienced, multidisciplinary engineering and management firm, GPA has consulted and provided engineering, procurement and construction management (EPCM) services, since…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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. | |||||
| 20 |  Enereco S.P.Aenereco.comHQ: Fano, ItalyReported employees: 201-500 | Fano, Italy | 201-500 | Exact match | 316 contacts → |
“Enereco is an independent and privately owned engineering company founded with the purpose of delivering customised, quality engineering and project services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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. | |||||
| 22 |  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. | |||||
| 23 |  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. | |||||
| 24 |  Intec Energy Solutionsin-tecenergy.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 290 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Electric Hydrogeneh2.comHQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 283 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,481 company matches
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Green hydrogen engineering companies: 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
2,475 records in the displayed employee bands.
6 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 2,481 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 engineering companies by location
17 lists · largest firstEvery Green hydrogen engineering companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen engineering companies based in the United States215
- Green hydrogen engineering companies based in Germany199
- Green hydrogen engineering companies based in the United Kingdom173
- Green hydrogen engineering companies based in India148
- Green hydrogen engineering companies based in Spain136
- Green hydrogen engineering companies based in France116
- Green hydrogen engineering companies based in Italy101
- Green hydrogen engineering companies based in Canada85
- Green hydrogen engineering companies based in Australia83
- Green hydrogen engineering companies based in the Netherlands81
- Green hydrogen engineering companies based in Brazil71
- Green hydrogen engineering companies based in Norway49
- Green hydrogen engineering companies based in Türkiye48
- Green hydrogen engineering companies based in Switzerland35
- Green hydrogen engineering companies based in Poland30
Cities
Questions about this company list
What does Exact match mean for green hydrogen engineering companies?
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 engineering companies did RevenueBase find worldwide?
The saved snapshot records 2,481 matching company records, 77,475 tracked contacts and 31,146 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 engineering companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/green-hydrogen-engineering-companies.
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 engineering companies worldwide
RevenueBase records 2,481 matching company records for green hydrogen engineering companies worldwide, with 77,475 tracked contacts and 31,146 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 engineering companies 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 | Atkinsréalisatkinsrealis.com HQ: Montreal, QC, CanadaReported employees: 10001+ | Montreal, QC, Canada | 10001+ | Exact match | 25,123 contacts → |
“We are a world-class engineering services and nuclear organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RENEWrenew.com HQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 4,690 contacts → |
“ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | MOEVEmoeveglobal.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 1,741 contacts → |
“Somos una compañía comprometida con la energía y la movilidad sostenibles basadas en moléculas verdes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GPS Renewablesgpsrenewables.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 796 contacts → |
“GPS Renewables is India's leading full-stack biofuels firm, offering technology & EPC to project development solutions for bioCNG, Ethanol & Green H2.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | Vikran Engineering LTDvikrangroup.com HQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 731 contacts → |
“M/s VIKRAN Engineering Ltd is a reputed and established engineering company specializing in providing comprehensive solutions in the fields of renewable energy, engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Amara Nzero Brasilamaranzero.com.br HQ: Salvador, BrazilReported employees: 501-1,000 | Salvador, Brazil | 501-1,000 | Exact match | 551 contacts → |
“Somos uma empresa com uma grande experiência integral em energia sustentável fortemente comprometida com a Transição Energética.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | Df-Duro Felgueradurofelguera.com HQ: Gijón, SpainReported employees: 1,001-5,000 | Gijón, Spain | 1,001-5,000 | Exact match | 505 contacts → |
“Duro Felguera is a global company based in Asturias.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sunfiresunfire.de HQ: Dresden, GermanyReported employees: 501-1,000 | Dresden, Germany | 501-1,000 | Exact match | 460 contacts → |
“Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Equinox Engineering LTDequinox-eng.com HQ: Calgary, TX, CanadaReported employees: 501-1,000 | Calgary, TX, Canada | 501-1,000 | Exact match | 434 contacts → |
“Our vision is to lead the industry in quality and create a company where exceptional people thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Doris Groupdorisgroup.com HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 380 contacts → |
“DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | GPA Engineeringgpaeng.com.au HQ: Unley, AustraliaReported employees: 201-500 | Unley, Australia | 201-500 | Exact match | 343 contacts → |
“A highly experienced, multidisciplinary engineering and management firm, GPA has consulted and provided engineering, procurement and construction management (EPCM) services, since…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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. | |||||
| 20 | Enereco S.P.Aenereco.com HQ: Fano, ItalyReported employees: 201-500 | Fano, Italy | 201-500 | Exact match | 316 contacts → |
“Enereco is an independent and privately owned engineering company founded with the purpose of delivering customised, quality engineering and project services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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. | |||||
| 22 | 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. | |||||
| 23 | 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. | |||||
| 24 | Intec Energy Solutionsin-tecenergy.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 290 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Electric Hydrogeneh2.com HQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 283 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,481 company matches
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Green hydrogen engineering companies: 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
2,475 records in the displayed employee bands.
6 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 2,481 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 engineering companies by location
17 lists · largest firstEvery Green hydrogen engineering companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen engineering companies based in the United States215
- Green hydrogen engineering companies based in Germany199
- Green hydrogen engineering companies based in the United Kingdom173
- Green hydrogen engineering companies based in India148
- Green hydrogen engineering companies based in Spain136
- Green hydrogen engineering companies based in France116
- Green hydrogen engineering companies based in Italy101
- Green hydrogen engineering companies based in Canada85
- Green hydrogen engineering companies based in Australia83
- Green hydrogen engineering companies based in the Netherlands81
- Green hydrogen engineering companies based in Brazil71
- Green hydrogen engineering companies based in Norway49
- Green hydrogen engineering companies based in Türkiye48
- Green hydrogen engineering companies based in Switzerland35
- Green hydrogen engineering companies based in Poland30
Cities
Questions about this company list
What does Exact match mean for green hydrogen engineering companies?
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 engineering companies did RevenueBase find worldwide?
The saved snapshot records 2,481 matching company records, 77,475 tracked contacts and 31,146 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 engineering companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/green-hydrogen-engineering-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗