Company lists · Data refreshed November 2026
Top 25 Green hydrogen engineering companies based in France
RevenueBase identified 116 company matches for green hydrogen engineering companies associated with France as of November 2026 and tracks 2,430 professional contacts across them, including 1,033 with verified work emails. Paris is the largest hub.
This list covers company matches for green hydrogen engineering companies associated with France, 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.
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 based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 250 contacts → | ||||
Exact match “Entrepose Contracting, a subsidiary of VINCI Construction Grands Projets, designs and delivers critical energy infrastructure for the storage, treatment, and transportation of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 142 contacts → | ||||
Exact match “SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 120 contacts → | ||||
Exact match “INGENICA, entité de Equans Process Solutions, réalise des prestations d’ingénierie de conception et de maitrise d’œuvre de projets industriels pour les industries des procédés.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 118 contacts → | ||||
Exact match “HDF Energy is a leading global player in the hydrogen industry, dedicated to developing large-scale hydrogen infrastructure and advanced multi-megawatt fuel cell technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 106 contacts → | ||||
Exact match “As a leading "pure player" McPhy designs and manufactures a range of hydrogen production and valorization equipment, including electrolyzers built on robust and proven technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 97 contacts → | ||||
Exact match “Clarke Energy, a global leader in energy solutions, boasts an annual turnover of £350m and employs a team of 1,200 experts worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 80 contacts → | ||||
Exact match “Verso Energy est spécialisée dans le développement, l’ingénierie, le financement, la construction et l’exploitation d’installations de production d’énergies renouvelables…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 76 contacts → | ||||
Exact match “Organisée sur un modèle de start-up, Arnest réalise des services d’ingénierie et de management de projets pour le secteur de l'énergie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “Et si l’énergie que vous perdez aujourd’hui devenait votre plus grand levier de compétitivité?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 49 contacts → | ||||
Exact match “EURETEQ est une société d'ingénierie indépendante dont les activités sont portées par 3 business units intervenant dans les domaines - des pipelines (BU CANA): Activité historique…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 49 contacts → | ||||
Exact match “Solution de décarbonation pour le transport routier de marchandises : location de camions hydrogène, accès à un réseau d'hydrogène vert, services de gestion de flotte et de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 49 contacts → | ||||
Exact match “L’entreprise européenne pionnière sur l’exploration et la production d’hélium et d’hydrogène naturel!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 45 contacts → | ||||
Exact match “HSL Technologies (SAS HySiLabs) is a French deeptech company based in Aix-en-Provence, developing low-carbon hydrogen and silica production, storage, and transport solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 42 contacts → | ||||
Exact match “Our company was born in 2021 from the combination of Ardian, one of the world's leading private equity firms, and FiveT Hydrogen, a hydrogen focused investment platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 38 contacts → | ||||
Exact match “With over 20 years of experience, HELION Hydrogen Power, subsidiary of Alstom, is a leading high-power hydrogen fuel cell manufacturer based in Aix-en-Provence, France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 35 contacts → | ||||
Exact match “HydroGain is an engineering company and a training organization, born in Lyon at the heart of the Rhône-Alpes hydrogen ecosystem.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 35 contacts → | ||||
Exact match “DEFTLINE est un groupe d’ingénierie, de conseil et de services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 31 contacts → | ||||
Exact match “H2X-Ecosystems est une entreprise spécialisée dans les solutions de production, distribution et consommation d'hydrogène renouvelable et bas carbone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “To this end, we have designed a unique high-efficiency system that covers the entire hydrogen value chain: from hydrogen production using decarbonated energy, to its end use in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “We are a team of hydrogen technologies professionals dedicated to the green hydrogen economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 26 contacts → | ||||
Exact match “EXOCETH WATER & ENERGY SYSTEMS is an engineering office associated to a technical assistance service dedicated to water and energy applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 24 contacts → | ||||
Exact match “H2Gremm redefines the future of energy by placing hydrogen at the heart of sustainable mobility and energy autonomy for buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 24 contacts → | ||||
Exact match “Notre équipe de Consultants et d'Experts est au service des industries de Process, impliquée dans les projets de transition énergétique & décarbonation, dans des secteurs variés …” 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 116 green hydrogen engineering companies based in France
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Green hydrogen engineering companies based in France at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 116 companies.
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.
- What qualifies
- Company records associated with France 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,033 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.
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 based in France?
RevenueBase identified 116 company matches for green hydrogen engineering companies associated with France 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?
Entrepose Contracting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most green hydrogen engineering companies?
Paris leads with 22 company records, followed by Lyon (6) and Strasbourg (3).
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 1,033 professional contacts with verified work emails tracked across these 116 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 116 green hydrogen engineering companies based in France. Start with a free account, no credit card.
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Green hydrogen engineering companies by geography
- Green hydrogen engineering companies based in Madrid, Spain
- Green hydrogen engineering companies based in London, United Kingdom
- Green hydrogen engineering companies based in Australia
- Green hydrogen engineering companies based in Brazil
- Green hydrogen engineering companies based in Canada
- Green hydrogen engineering companies based in Germany
- Green hydrogen engineering companies based in India
- Green hydrogen engineering companies based in Italy
- Green hydrogen engineering companies based in the Netherlands
- Green hydrogen engineering companies based in Norway
- Green hydrogen engineering companies based in Poland
- Green hydrogen engineering companies based in Spain
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
- All company lists
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- Lists A-Z
- New lists
- Green hydrogen engineering companies based in Madrid, Spain
- Green hydrogen engineering companies based in London, United Kingdom
- Green hydrogen engineering companies based in Australia
- Green hydrogen engineering companies based in Brazil
- Green hydrogen engineering companies based in Canada
- Green hydrogen engineering companies based in Germany
Company intelligence · public preview
Top 25 green hydrogen engineering companies based in France
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 116 matching company records for green hydrogen engineering companies based in France, with 2,430 tracked contacts and 1,033 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 based in France
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 |  Entrepose Contractingentrepose.comHQ: Nanterre, FranceReported employees: 201-500 | Nanterre, France | 201-500 | Exact match | 250 contacts → |
“Entrepose Contracting, a subsidiary of VINCI Construction Grands Projets, designs and delivers critical energy infrastructure for the storage, treatment, and transportation of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  Sofregaz SASsofregaz.frHQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 142 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ingenicaingenica.frHQ: Sérézin-du-rhône, FranceReported employees: 51-200 | Sérézin-du-rhône, France | 51-200 | Exact match | 120 contacts → |
“INGENICA, entité de Equans Process Solutions, réalise des prestations d’ingénierie de conception et de maitrise d’œuvre de projets industriels pour les industries des procédés.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  HDF Energyhdf-energy.comHQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 118 contacts → |
“HDF Energy is a leading global player in the hydrogen industry, dedicated to developing large-scale hydrogen infrastructure and advanced multi-megawatt fuel cell technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MCPHYmcphy.comHQ: Foussemagne, FranceReported employees: 201-500 | Foussemagne, France | 201-500 | Exact match | 106 contacts → |
“As a leading "pure player" McPhy designs and manufactures a range of hydrogen production and valorization equipment, including electrolyzers built on robust and proven technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Clarke Energy - FRclarke-energy.comHQ: Bouc-bel-air, FranceReported employees: 201-500 | Bouc-bel-air, France | 201-500 | Exact match | 97 contacts → |
“Clarke Energy, a global leader in energy solutions, boasts an annual turnover of £350m and employs a team of 1,200 experts worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Verso Energyverso.energyHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 80 contacts → |
“Verso Energy est spécialisée dans le développement, l’ingénierie, le financement, la construction et l’exploitation d’installations de production d’énergies renouvelables…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Arnestarnest-engineering.comHQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 76 contacts → |
“Organisée sur un modèle de start-up, Arnest réalise des services d’ingénierie et de management de projets pour le secteur de l'énergie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ecogreenenergyecogreenenergy.frHQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 54 contacts → |
“Et si l’énergie que vous perdez aujourd’hui devenait votre plus grand levier de compétitivité?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Eureteqeureteq.frHQ: Tarbes, FranceReported employees: 51-200 | Tarbes, France | 51-200 | Exact match | 49 contacts → |
“EURETEQ est une société d'ingénierie indépendante dont les activités sont portées par 3 business units intervenant dans les domaines - des pipelines (BU CANA): Activité historique…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Hylikohyliko.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 49 contacts → |
“Solution de décarbonation pour le transport routier de marchandises : location de camions hydrogène, accès à un réseau d'hydrogène vert, services de gestion de flotte et de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  45-8 Energy458energy.comHQ: Metz, FranceReported employees: 11-50 | Metz, France | 11-50 | Exact match | 49 contacts → |
“L’entreprise européenne pionnière sur l’exploration et la production d’hélium et d’hydrogène naturel!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  HSL Technologies Hysilabshsl.techHQ: Aix En Provence, FranceReported employees: 11-50 | Aix En Provence, France | 11-50 | Exact match | 45 contacts → |
“HSL Technologies (SAS HySiLabs) is a French deeptech company based in Aix-en-Provence, developing low-carbon hydrogen and silica production, storage, and transport solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hy24hy24partners.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 42 contacts → |
“Our company was born in 2021 from the combination of Ardian, one of the world's leading private equity firms, and FiveT Hydrogen, a hydrogen focused investment platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Helion Hydrogen Powerhelion-hydrogen-power.alstom.comHQ: Aix En Provence Cedex 4, FranceReported employees: 51-200 | Aix En Provence Cedex 4, France | 51-200 | Exact match | 38 contacts → |
“With over 20 years of experience, HELION Hydrogen Power, subsidiary of Alstom, is a leading high-power hydrogen fuel cell manufacturer based in Aix-en-Provence, France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hydrogainhydrogain.frHQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 35 contacts → |
“HydroGain is an engineering company and a training organization, born in Lyon at the heart of the Rhône-Alpes hydrogen ecosystem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Deftlinedeftline.comHQ: Cherbourg, FranceReported employees: 51-200 | Cherbourg, France | 51-200 | Exact match | 35 contacts → |
“DEFTLINE est un groupe d’ingénierie, de conseil et de services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  H2x-Ecosystemsh2x-ecosystems.comHQ: Bruz, FranceReported employees: 11-50 | Bruz, France | 11-50 | Exact match | 31 contacts → |
“H2X-Ecosystems est une entreprise spécialisée dans les solutions de production, distribution et consommation d'hydrogène renouvelable et bas carbone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gen-Hygen-hy.comHQ: Orly, FranceReported employees: 11-50 | Orly, France | 11-50 | Exact match | 27 contacts → |
“To this end, we have designed a unique high-efficiency system that covers the entire hydrogen value chain: from hydrogen production using decarbonated energy, to its end use in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Staaq Technologystaaq-technology.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 26 contacts → |
“We are a team of hydrogen technologies professionals dedicated to the green hydrogen economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Exocethexoceth.frHQ: Guer, FranceReported employees: 11-50 | Guer, France | 11-50 | Exact match | 26 contacts → |
“EXOCETH WATER & ENERGY SYSTEMS is an engineering office associated to a technical assistance service dedicated to water and energy applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  H2gremmh2gremm.comHQ: Edern, FranceReported employees: 11-50 | Edern, France | 11-50 | Exact match | 24 contacts → |
“H2Gremm redefines the future of energy by placing hydrogen at the heart of sustainable mobility and energy autonomy for buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AJR Conseilajrconseil.comHQ: Avignon, FranceReported employees: 11-50 | Avignon, France | 11-50 | Exact match | 24 contacts → |
“Notre équipe de Consultants et d'Experts est au service des industries de Process, impliquée dans les projets de transition énergétique & décarbonation, dans des secteurs variés …” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 116 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
116 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 worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 116 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 ↗
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 based in France?
The saved snapshot records 116 matching company records, 2,430 tracked contacts and 1,033 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
Green hydrogen engineering companies by geography
- Green hydrogen engineering companies based in Madrid, Spain
- Green hydrogen engineering companies based in London, United Kingdom
- Green hydrogen engineering companies based in Australia
- Green hydrogen engineering companies based in Brazil
- Green hydrogen engineering companies based in Canada
- Green hydrogen engineering companies based in Germany
- Green hydrogen engineering companies based in India
- Green hydrogen engineering companies based in Italy
- Green hydrogen engineering companies based in the Netherlands
- Green hydrogen engineering companies based in Norway
- Green hydrogen engineering companies based in Poland
- Green hydrogen engineering companies based in Spain
Cite this list
RevenueBase Data Team. Top 25 green hydrogen engineering companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/green-hydrogen-engineering-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Green hydrogen engineering companies based in Madrid, Spain
- Green hydrogen engineering companies based in London, United Kingdom
- Green hydrogen engineering companies based in Australia
- Green hydrogen engineering companies based in Brazil
- Green hydrogen engineering companies based in Canada
- Green hydrogen engineering companies based in Germany
Company intelligence · public preview
Top 25 green hydrogen engineering companies based in France
RevenueBase records 116 matching company records for green hydrogen engineering companies based in France, with 2,430 tracked contacts and 1,033 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 based in France
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 | Entrepose Contractingentrepose.com HQ: Nanterre, FranceReported employees: 201-500 | Nanterre, France | 201-500 | Exact match | 250 contacts → |
“Entrepose Contracting, a subsidiary of VINCI Construction Grands Projets, designs and delivers critical energy infrastructure for the storage, treatment, and transportation of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | Sofregaz SASsofregaz.fr HQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 142 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ingenicaingenica.fr HQ: Sérézin-du-rhône, FranceReported employees: 51-200 | Sérézin-du-rhône, France | 51-200 | Exact match | 120 contacts → |
“INGENICA, entité de Equans Process Solutions, réalise des prestations d’ingénierie de conception et de maitrise d’œuvre de projets industriels pour les industries des procédés.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HDF Energyhdf-energy.com HQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 118 contacts → |
“HDF Energy is a leading global player in the hydrogen industry, dedicated to developing large-scale hydrogen infrastructure and advanced multi-megawatt fuel cell technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MCPHYmcphy.com HQ: Foussemagne, FranceReported employees: 201-500 | Foussemagne, France | 201-500 | Exact match | 106 contacts → |
“As a leading "pure player" McPhy designs and manufactures a range of hydrogen production and valorization equipment, including electrolyzers built on robust and proven technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Clarke Energy - FRclarke-energy.com HQ: Bouc-bel-air, FranceReported employees: 201-500 | Bouc-bel-air, France | 201-500 | Exact match | 97 contacts → |
“Clarke Energy, a global leader in energy solutions, boasts an annual turnover of £350m and employs a team of 1,200 experts worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Verso Energyverso.energy HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 80 contacts → |
“Verso Energy est spécialisée dans le développement, l’ingénierie, le financement, la construction et l’exploitation d’installations de production d’énergies renouvelables…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Arnestarnest-engineering.com HQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 76 contacts → |
“Organisée sur un modèle de start-up, Arnest réalise des services d’ingénierie et de management de projets pour le secteur de l'énergie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ecogreenenergyecogreenenergy.fr HQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 54 contacts → |
“Et si l’énergie que vous perdez aujourd’hui devenait votre plus grand levier de compétitivité?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Eureteqeureteq.fr HQ: Tarbes, FranceReported employees: 51-200 | Tarbes, France | 51-200 | Exact match | 49 contacts → |
“EURETEQ est une société d'ingénierie indépendante dont les activités sont portées par 3 business units intervenant dans les domaines - des pipelines (BU CANA): Activité historique…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hylikohyliko.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 49 contacts → |
“Solution de décarbonation pour le transport routier de marchandises : location de camions hydrogène, accès à un réseau d'hydrogène vert, services de gestion de flotte et de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 45-8 Energy458energy.com HQ: Metz, FranceReported employees: 11-50 | Metz, France | 11-50 | Exact match | 49 contacts → |
“L’entreprise européenne pionnière sur l’exploration et la production d’hélium et d’hydrogène naturel!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HSL Technologies Hysilabshsl.tech HQ: Aix En Provence, FranceReported employees: 11-50 | Aix En Provence, France | 11-50 | Exact match | 45 contacts → |
“HSL Technologies (SAS HySiLabs) is a French deeptech company based in Aix-en-Provence, developing low-carbon hydrogen and silica production, storage, and transport solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hy24hy24partners.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 42 contacts → |
“Our company was born in 2021 from the combination of Ardian, one of the world's leading private equity firms, and FiveT Hydrogen, a hydrogen focused investment platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Helion Hydrogen Powerhelion-hydrogen-power.alstom.com HQ: Aix En Provence Cedex 4, FranceReported employees: 51-200 | Aix En Provence Cedex 4, France | 51-200 | Exact match | 38 contacts → |
“With over 20 years of experience, HELION Hydrogen Power, subsidiary of Alstom, is a leading high-power hydrogen fuel cell manufacturer based in Aix-en-Provence, France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hydrogainhydrogain.fr HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 35 contacts → |
“HydroGain is an engineering company and a training organization, born in Lyon at the heart of the Rhône-Alpes hydrogen ecosystem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Deftlinedeftline.com HQ: Cherbourg, FranceReported employees: 51-200 | Cherbourg, France | 51-200 | Exact match | 35 contacts → |
“DEFTLINE est un groupe d’ingénierie, de conseil et de services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | H2x-Ecosystemsh2x-ecosystems.com HQ: Bruz, FranceReported employees: 11-50 | Bruz, France | 11-50 | Exact match | 31 contacts → |
“H2X-Ecosystems est une entreprise spécialisée dans les solutions de production, distribution et consommation d'hydrogène renouvelable et bas carbone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gen-Hygen-hy.com HQ: Orly, FranceReported employees: 11-50 | Orly, France | 11-50 | Exact match | 27 contacts → |
“To this end, we have designed a unique high-efficiency system that covers the entire hydrogen value chain: from hydrogen production using decarbonated energy, to its end use in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Staaq Technologystaaq-technology.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 26 contacts → |
“We are a team of hydrogen technologies professionals dedicated to the green hydrogen economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Exocethexoceth.fr HQ: Guer, FranceReported employees: 11-50 | Guer, France | 11-50 | Exact match | 26 contacts → |
“EXOCETH WATER & ENERGY SYSTEMS is an engineering office associated to a technical assistance service dedicated to water and energy applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | H2gremmh2gremm.com HQ: Edern, FranceReported employees: 11-50 | Edern, France | 11-50 | Exact match | 24 contacts → |
“H2Gremm redefines the future of energy by placing hydrogen at the heart of sustainable mobility and energy autonomy for buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AJR Conseilajrconseil.com HQ: Avignon, FranceReported employees: 11-50 | Avignon, France | 11-50 | Exact match | 24 contacts → |
“Notre équipe de Consultants et d'Experts est au service des industries de Process, impliquée dans les projets de transition énergétique & décarbonation, dans des secteurs variés …” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 116 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
116 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 worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 116 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 ↗
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 based in France?
The saved snapshot records 116 matching company records, 2,430 tracked contacts and 1,033 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
Green hydrogen engineering companies by geography
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Cite this list
RevenueBase Data Team. Top 25 green hydrogen engineering companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/green-hydrogen-engineering-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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