Company lists · Data refreshed September 2026
Top 25 Hydrogen engine manufacturers worldwide
RevenueBase identified 513 hydrogen engine manufacturers worldwide as of September 2026 and tracks 14,386 professional contacts across them, including 4,863 with verified work emails. The United States is the largest market and London the largest hub.
This list covers hydrogen engine manufacturers 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 30, 2026. Country and city lists for hydrogen engine manufacturers 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 hydrogen engine manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,173 contacts → | ||||
Indirect evidence “At PHINIA, we know the actions we take today have a profound impact on the world we’ll live in tomorrow.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 827 contacts → | ||||
Strong evidence “Ballard Power Systems Inc, is a world leader in the development, manufacture, sale and servicing of hydrogen fuel cell power systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 412 contacts → | ||||
Partial evidence “PSI Power Systems International (NASDAQ: PSIX) engineers high-performance, emission-certified engines and power systems for global OEMs and critical industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 337 contacts → | ||||
Partial evidence “FEV is an internationally recognized leader in the design and development of internal combustion engines, conventional, electric, and alternative vehicle drive systems, energy…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 291 contacts → | ||||
Partial evidence “ZeroAvia is developing hydrogen-electric propulsion and power systems to power future generations of commercial aviation and defence platforms.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 285 contacts → | ||||
Indirect evidence “ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 214 contacts → | ||||
Indirect evidence “Hexagon Purus enables zero emission mobility for a cleaner energy future.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 207 contacts → | ||||
Partial evidence “Powering the hydrogen future® with our outstanding fuel cells and service.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 198 contacts → | ||||
Indirect evidence “Greenfuel is India's Tier 1 supplier of green mobility and clean energy solutions to top OEMs.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 152 contacts → | ||||
Partial evidence “Serving critical infrastructure markets, RIX Industries is a global leader in the design, development, and manufacturing of hydrogen and gas generation systems, precision high…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 149 contacts → | ||||
Indirect evidence “Symbio is a leading technology and industrial partner for sustainable mobility pioneers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 147 contacts → | ||||
Partial evidence “PowerCell develops and produces hydrogen electric fuel cell stacks and systems with a uniquely high power density, targeting applications in the aviation, marine, power…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 145 contacts → | ||||
Strong 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 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 141 contacts → | ||||
Indirect evidence “The Freudenberg Group has been inventing components for batteries and fuel cells since the early 1990s.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 138 contacts → | ||||
Indirect evidence “BRUSA has been innovating power systems for electromobility since 1985.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 127 contacts → | ||||
Indirect evidence “As of December 2021, Frames is part of Plug Power.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 94 contacts → | ||||
Indirect evidence “Nuvera®, a Hyster-Yale Materials Handling, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 88 contacts → | ||||
Partial evidence “Hyzon (NASDAQ:HYZN) is a global supplier of high-performance hydrogen fuel cell technology focused on providing zero-emission power to decarbonize demanding industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 83 contacts → | ||||
Indirect evidence “Prior Power Solutions is a leading supplier of specialised diesel-driven, alternative, and sustainable power systems, equipment and services to the oil and gas, marine…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 81 contacts → | ||||
Strong evidence “Booster Precision Components is a supplier of precision parts for combustion engines, hybrids, e-mobility, hydrogen-based fuel cells.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 76 contacts → | ||||
Indirect evidence “Patented technologies delivering industrial performance, lower operating costs, and reduced CO₂ emissions through combustion optimization.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 71 contacts → | ||||
Indirect evidence “Elcogen develops and supplies a proprietary solid oxide technology platform that operates in both fuel cell (SOFC) and electrolysis (SOEC) modes, enabling affordable green…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 71 contacts → | ||||
Partial evidence “SHIFT POWER ENERGIZE YOUR WORLD Hydrogenics, a Cummins company, is an industry leader in designing, manufacturing, building and installing industrial and commercial Hydrogen…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 69 contacts → | ||||
Indirect evidence “BORGWARNER is a company based out of Kleyerstr.” Source: RevenueBase Database · checked Sep 30, 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: hydrogen engine manufacturers. 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 hydrogen engine manufacturers.
- Partial evidence
- Its own public description names part of hydrogen engine manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hydrogen engine manufacturers. 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 513 hydrogen engine manufacturers worldwide
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Hydrogen engine manufacturers worldwide at a glance
As of Sep 30, 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 hydrogen engine manufacturers, 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 hydrogen engine manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “hydrogen engine manufacturers”. 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 hydrogen engine manufacturers), 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 hydrogen engine manufacturers, 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, 4,863 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 30, 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.
Hydrogen engine manufacturers by location
4 lists · largest firstEvery Hydrogen engine manufacturers 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 hydrogen engine manufacturers, 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 hydrogen engine manufacturers are there worldwide?
RevenueBase identified 513 hydrogen engine manufacturers 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?
Phinia, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most hydrogen engine manufacturers?
The United States leads with 79 companies, followed by Germany (50) and the United Kingdom (44). Every hydrogen engine manufacturers list by country and city is linked on this page.
Which city has the most hydrogen engine manufacturers?
London leads with 9 headquartered companies, followed by Shanghai (7) and Pune (6).
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 4,863 verified decision-maker contacts tracked across these 513 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 30, 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.