Company lists · Data refreshed October 2026

Top 25 Fuel cell energy systems integrators worldwide

RevenueBase identified 688 company matches for fuel cell energy systems integrators worldwide as of October 2026 and tracks 9,814 professional contacts across them, including 2,646 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for fuel cell energy systems integrators 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 October 1, 2026. Country and city lists for fuel cell energy systems integrators 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built
688Companies
9,814Contacts tracked
2,646Verified emails
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The 25 largest fuel cell energy systems integrators worldwide

Ranked by team size
Top 25 of 688 company matches for fuel cell energy systems integrators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurnaby, CanadaHQ recorded Oct 1, 2026501-1,000827 contacts →

Exact match

“Ballard Power Systems Inc, is a world leader in the development, manufacture, sale and servicing of hydrogen fuel cell power systems.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchIrving, TX, United StatesHQ recorded Oct 1, 20261,001-5,000600 contacts →

Exact match

“OWL™ Services is the premier sales, installation, program management, compliance and service provider to industrial, commercial fleet, municipal and electrical vehicle charging…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchKhopoli, IndiaHQ recorded Oct 1, 202651-200225 contacts →

Exact match

“Exact Sun India specializes in delivering comprehensive mechanical, structural, and electrical design services, along with full-service installation solutions for both industrial…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Oct 1, 2026501-1,000214 contacts →

Exact match

“Hexagon Purus enables zero emission mobility for a cleaner energy future.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchLoughborough, United KingdomHQ recorded Oct 1, 2026201-500207 contacts →

Exact match

“Powering the hydrogen future® with our outstanding fuel cells and service.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchBurnaby, BC, CanadaHQ recorded Oct 1, 2026201-500191 contacts →

Exact match

“Greenlight Innovation is the leading global supplier of testing and manufacturing solutions for hydrogen fuel cells, electrolysers, and lithium batterie packs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchSt.-Fons, FranceHQ recorded Oct 1, 2026501-1,000149 contacts →

Exact match

“Symbio is a leading technology and industrial partner for sustainable mobility pioneers.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchGothenburg, SwedenHQ recorded Oct 1, 202651-200147 contacts →

Exact match

“PowerCell develops and produces hydrogen electric fuel cell stacks and systems with a uniquely high power density, targeting applications in the aviation, marine, power…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchMidland, MI, United StatesHQ recorded Oct 1, 2026501-1,000141 contacts →

Exact match

“The Freudenberg Group has been inventing components for batteries and fuel cells since the early 1990s.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchDettingen An Der Erms, GermanyHQ recorded Oct 1, 202651-200125 contacts →

Exact match

“EKPO Fuel Cell Technologies is a leading joint venture in the field of development and large-scale production of fuel cell stacks for CO2-neutral mobility.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchEresing, GermanyHQ recorded Oct 1, 202651-200113 contacts →

Exact match

“As spin-off from the TU Munich, we're a highly tech-driven climate startup paving the way to 100% renewable, decarbonized future by making the most of biogas.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchNiestetal, GermanyHQ recorded Oct 1, 202651-200102 contacts →

Exact match

“power for energy SMA Altenso GmbH is a wholly owned subsidiary of SMA Solar Technology AG.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchBarleben, GermanyHQ recorded Oct 1, 2026201-50092 contacts →

Exact match

“The future can only be influenced if we lay the foundation for it today.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchGurgaon, IndiaHQ recorded Oct 1, 202651-20089 contacts →

Exact match

“FC TecNrgy Pvt Ltd (FCT) is an India-based, leading private-sector Fuel Cells and Sustainable Energy & IT Solutions Enterprise.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchBolingbrook, MI, United StatesHQ recorded Oct 1, 2026201-50088 contacts →

Exact match

“Hyzon (NASDAQ:HYZN) is a global supplier of high-performance hydrogen fuel cell technology focused on providing zero-emission power to decarbonize demanding industries.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchBuena Park, CA, United StatesHQ recorded Oct 1, 202651-20081 contacts →

Exact match

“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchMississauga, ON, CanadaHQ recorded Oct 1, 2026201-50071 contacts →

Exact match

“SHIFT POWER ENERGIZE YOUR WORLD Hydrogenics, a Cummins company, is an industry leader in designing, manufacturing, building and installing industrial and commercial Hydrogen…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchPadiham, United KingdomHQ recorded Oct 1, 202651-20062 contacts →

Exact match

“Keep the Lights On with LCM Environmental Since 1987, LCM Environmental has been the backbone of critical infrastructure, ensuring everything runs smoothly behind the scenes.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchRome, ItalyHQ recorded Oct 1, 2026201-50061 contacts →

Exact match

“Nata nel 1938, SACCIR è parte del gruppo SAMOVAR ha accompagnato l’evoluzione dell’energia in Italia, diventando un punto di riferimento nel settore dei multiservizi tecnologici.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchOdense, DenmarkHQ recorded Oct 1, 202651-20061 contacts →

Exact match

“IRD Fuel Cells is a private company which provides quality and innovation for its customers based on the highest levels of integrity, environment and strong values.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchRemscheid, GermanyHQ recorded Oct 1, 2026201-50060 contacts →

Exact match

“Wir sind Marktführer bei der Entwicklung innovativer technischer Lösungen für Mobilität und Energieerzeugung.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchBoca Raton, FL, United StatesHQ recorded Oct 1, 202651-20053 contacts →

Exact match

“RACK is a leading energy solutions provider headquartered in Boca Raton, Florida.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchLivermore, CA, United StatesHQ recorded Oct 1, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchAalborg, DenmarkHQ recorded Oct 1, 202651-20045 contacts →

Exact match

“Blue World Technologies is an ambitious and visionary developer and manufacturer of HT-PEM fuel cell components and systems for stationary applications, on- and off-road…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchPuchheim, GermanyHQ recorded Oct 1, 202651-20044 contacts →

Exact match

“Proton Motor is a German GmbH which is owned a 100% by the holding Proton Motor Power Systems Plc Proton Motor Power Systems Plc is listed at the London Stock Exchange (AIM…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 688 fuel cell energy systems integrators worldwide

See the full list, filter by size, metro and specialty, and access 2,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fuel cell energy systems integrators worldwide at a glance

As of Oct 1, 2026
27.0%Verified-email coverage
14.3Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
298
11-50
268
51-200
77
201-500
30
501-1,000
11
1,001-5,000
2

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 fuel cell energy systems integrators are linked below.
What qualifies
Company records worldwide whose business descriptions match “fuel cell energy systems integrators” 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 2,646 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 October 1, 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.

Fuel cell energy systems integrators by location

6 lists · largest first

Every Fuel cell energy systems integrators 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 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 “fuel cell energy systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fuel cell energy systems integrators are there worldwide?

RevenueBase identified 688 company matches for fuel cell energy systems integrators worldwide as of October 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?

Ballard Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most fuel cell energy systems integrators?

The United States leads with 119 companies, followed by Germany (46) and Italy (45). Every fuel cell energy systems integrators list by country and city is linked on this page.

Which city has the most fuel cell energy systems integrators?

London leads with 8 company records, followed by Burnaby (6) and Milan (5).

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 2,646 professional contacts with verified work emails tracked across these 688 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 October 1, 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 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.