Company lists · Data refreshed September 2026
Top 25 Electrolyzer material suppliers worldwide
RevenueBase identified 188 electrolyzer material suppliers worldwide as of September 2026 and tracks 3,593 professional contacts across them, including 1,436 with verified work emails. The United States is the largest market and Baoji the largest hub.
This list covers electrolyzer material suppliers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for electrolyzer material suppliers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 electrolyzer material suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 427 contacts → | ||||
Indirect evidence “Established in 2010 and based in Dresden, Germany, Sunfire is a world-leading industrial electrolysis company with two differentiated technologies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 378 contacts → | ||||
Partial evidence “As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 346 contacts → | ||||
Partial evidence “Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 327 contacts → | ||||
Indirect evidence “Nel has a history tracing back to 1927 and is today a leading pure play hydrogen electrolyser technology company with a global presence.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 179 contacts → | ||||
Indirect evidence “ELOGEN is a technology provider specialized in the design, the manufacturing and the maintenance of Hydrogen generators using water electrolysis, based on Proton Exchange Membrane…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 145 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 85 contacts → | ||||
Partial evidence “With over 50 years of experience in the electrification, automation, and digitalization of industrial processes, FEST GmbH develops, manufactures, and supplies state-of-the-art…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 66 contacts → | ||||
Partial evidence “Ionomr Innovation produces revolutionary ion-exchange materials that enable a step-change cost breakthrough for electrochemical systems, including hydrogen, CCU, energy storage, &…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 61 contacts → | ||||
Partial evidence “HydrogenPro aims to become a world leading designer and supplier of alkaline electrolyser technology and systems to meet the highest standard for safety, reliability and long…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 60 contacts → | ||||
Partial evidence “H2B2 is a technology-based company that promotes, develops, finances, designs, integrates, builds, operates and maintains systems based on electrolyzers for hydrogen production…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 57 contacts → | ||||
Indirect evidence “Stargate Hydrogen is a European electrolyser technology company developing industrial hydrogen production systems for infrastructure and energy resilience projects.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 53 contacts → | ||||
Indirect evidence “LONGi Hydrogen is a subsidiary of LONGi Group.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 50 contacts → | ||||
Indirect evidence “For too long, hydrogen was held back.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 50 contacts → | ||||
Indirect evidence “HyGear makes reliable, affordable, on-site and on-demand (bio)hydrogen accessible.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 46 contacts → | ||||
Partial evidence “Nexceris is a materials science and engineering company that partners with innovators to accelerate the path from concept to commercialization.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 46 contacts → | ||||
Partial evidence “Newtrace is a deep-tech OEM building end-to-end solutions across the electrolyzer value chain, to deliver the lowest capex, the most efficient hydrogen production and a…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 42 contacts → | ||||
Partial evidence “Matteco is a cleantech company accelerating global decarbonization through next-generation advanced material technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 41 contacts → | ||||
Indirect evidence “Founded in 2020, EVOLOH Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 35 contacts → | ||||
Indirect evidence “Ecolectro is revolutionizing green hydrogen production with our groundbreaking Anion Exchange Membrane (AEM) technology, enabling affordable and sustainable hydrogen generation…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 34 contacts → | ||||
Indirect evidence “HYDGEN is a spin-off of the National University of Singapore, driving breakthrough innovation in green hydrogen technologies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 26 contacts → | ||||
Indirect evidence “The global energy transition to hydrogen is here, and Versogen is boldly leading the way.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 26 contacts → | ||||
Partial evidence “KERIONICS is a technology-based company specialized in the development, manufacturing, and commercialization of key components for high-temperature electrolyzers, focusing on SOEL…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 contacts → | ||||
Partial evidence “Nordex Electrolyzers S.L.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 21 contacts → | ||||
Partial evidence “Advait Greenergy Private Limited (AGPL) is a multidisciplinary clean energy engineering company delivering integrated solutions across Green Hydrogen, Electrolyzers, Solar EPC…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Partial evidence “Exion Hydrogen develops and manufactures world class water electrolyzers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: electrolyzer material suppliers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names electrolyzer material suppliers.
- Partial evidence
- Its own public description names part of electrolyzer material suppliers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name electrolyzer material suppliers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 188 electrolyzer material suppliers worldwide
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Electrolyzer material suppliers worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electrolyzer material suppliers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for electrolyzer material suppliers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “electrolyzer material suppliers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electrolyzer material suppliers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among electrolyzer material suppliers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,436 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Electrolyzer material suppliers by location
1 lists · largest firstEvery Electrolyzer material suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electrolyzer material suppliers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many electrolyzer material suppliers are there worldwide?
RevenueBase identified 188 electrolyzer material suppliers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Sunfire, headquartered in Dresden, tops this list with the largest team on record.
Which country has the most electrolyzer material suppliers?
The United States leads with 25 companies. Every electrolyzer material suppliers list by country and city is linked on this page.
Which city has the most electrolyzer material suppliers?
Baoji leads with 4 headquartered companies, followed by Xian (4) and Chennai (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,436 verified decision-maker contacts tracked across these 188 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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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 Smart Search, 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.