Company lists · Data refreshed September 2026

Top 25 Fuel cell system integrators based in the United States

RevenueBase identified 53 company matches for fuel cell system integrators associated with the United States as of September 2026 and tracks 1,704 professional contacts across them, including 592 with verified work emails. Austin is the largest hub.

This list covers company matches for fuel cell system integrators associated with the United States, 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 September 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
53Companies
1,704Contacts tracked
592Verified emails
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The 25 largest fuel cell system integrators based in the United States

Ranked by team size
Top 25 of 53 company matches for fuel cell system integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchIrving, TX, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
2Exact matchMidland, MI, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
3Exact matchBolingbrook, MI, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchBuena Park, CA, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
5Exact matchMemphis, TN, United StatesHQ recorded Sep 20, 202611-5041 contacts →

Exact match

“FFC manufactures New PMA fuel cells, and overhauls / repairs fuel cells for all aircraft platforms.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMountain View, CA, United StatesHQ recorded Sep 20, 202611-5038 contacts →

Exact match

“Range Energy is electrifying the commercial trucking industry, not by replacing tractors, but by bringing trailers to life.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchGreenville, SC, United StatesHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“Infintium Fuel Cell Systems is an original designer and manufacturer of the next generation of zero emission Hydrogen Power Cells for motive applications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBend, OR, United StatesHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“Telecom Backup Power Founded in 1996 as Northwest Power Systems, H2 PowerTech (formerly IdaTech) provides industry leading reformer, hydrogen production, and fuel cell technology…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWindsor, CT, United StatesHQ recorded Sep 20, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchAmherst, OH, United StatesHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“We provide on-board liquid hydrogen energy storage and fuel cell power system integration services to unmanned aerial vehicle (UAV) manufacturers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“Manage full cycle of fuel cell projects from Engineering, Procurement, and Construction, Financing.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchAmerican Fork, UT, United StatesHQ recorded Sep 20, 202651-20014 contacts →

Exact match

“Every day, we’re moving one step closer to a more sustainable and manageable power future.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchBend, OR, United StatesHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“Element 1 is a global leader in the development of clean energy technologies – including advanced hydrogen generation systems for the fuel cell industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202611-509 contacts →

Exact match

“Developing hydrogen fuel cell powerplants for electric propulsion and mobile energy storage.#eMissionH2O”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchAiken, SC, United StatesHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Greenway Energy is a group of dynamic and innovative consultants in the areas of hydrogen and methanol fuel cell technology and education.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchTorrance, CA, United StatesHQ recorded Sep 20, 2026501-1,0008 contacts →

Exact match

“Landi Technologies is a leading manufacturer of innovative technologies for eco-friendly commercial vehicles.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSpokane, WA, United StatesHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Granite Petroleum is a construction company specializing in fuel systems: Retail fuel stations, commercial fuel stations, government fuel systems, mission critical fuel systems…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCollege Station, United StatesHQ recorded Sep 20, 202611-507 contacts →

Exact match

“FuelCellsEtc specializes in providing highly customized Fuel Cell and Electrolyzer components.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchEagle River, WI, United StatesHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Our goal is to provide you with all the information you need to make informed bladder fuel cell maintenance and replacement choices.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchGroton, CT, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Our mission is to build a cleaner world through design and integration of zero-emission fuel cell systems for heavy-duty markets.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Agastya Hydrogen is an Indian multinational clean energy technology company pioneering cost-effective, high-efficiency AEM electrolyzers, modular hydrogen refuelling stations, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchFolsom, CA, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Altergy Systems®, the global leader in reliable backup power solutions for telecom and critical power applications, delivers proven fuel cell technology that provides on-demand…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 20, 2026201-5004 contacts →

Exact match

“Trillium, a member of the Love's Family of Companies, is a leading provider of renewable fuels and alternative fueling solutions, specializing in fuel supply, design…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchFremont, CA, United StatesHQ recorded Sep 20, 202611-504 contacts →

Exact match

“We are revolutionizing power generation using readily available renewable fuels.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchLexington, SC, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Future Fuels is a family-owned turn-key alternative energy solutions company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 53 fuel cell system integrators based in the United States

See the full list, filter by size, metro and specialty, and access 592 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fuel cell system integrators based in the United States at a glance

As of Sep 20, 2026
34.7%Verified-email coverage
32.2Average contacts per company
11-50Median size (employees)
5.7%Largest-city concentration · Austin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
23
51-200
4
201-500
5
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 53 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 the United States whose business descriptions match “fuel cell system 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. 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 592 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 September 20, 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 “fuel cell system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fuel cell system integrators are there based in the United States?

RevenueBase identified 53 company matches for fuel cell system integrators associated with the United States as of September 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?

OWL Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most fuel cell system integrators?

Austin leads with 3 company records, followed by Irvine (3) and Bend (2).

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 592 professional contacts with verified work emails tracked across these 53 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 September 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 53 fuel cell system integrators based in the United States. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.