Company lists · Data refreshed September 2026

Top 25 Sustainable hydrogen manufacturers based in the United States

RevenueBase identified 138 company matches for sustainable hydrogen manufacturers associated with the United States as of September 2026 and tracks 5,809 professional contacts across them, including 3,140 with verified work emails. Houston is the largest hub.

This list covers company matches for sustainable hydrogen manufacturers 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 18, 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 18, 2026 How this list was built
138Companies
5,809Contacts tracked
3,140Verified emails
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The 25 largest sustainable hydrogen manufacturers based in the United States

Ranked by team size
Top 25 of 138 company matches for sustainable hydrogen manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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 matchSan Jose, CA, United StatesHQ recorded Sep 18, 20261,001-5,0002,221 contacts →

Exact match

“Bloom Energy empowers businesses and communities to responsibly take charge of their energy.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2Exact matchLatham, NY, United StatesHQ recorded Sep 18, 20261,001-5,0002,037 contacts →

Exact match

“Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3Exact matchDevens, MA, United StatesHQ recorded Sep 18, 2026201-500346 contacts →

Exact match

“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4Exact matchBolingbrook, MI, United StatesHQ recorded Sep 18, 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 18, 2026 · View company records in RevenueBase
5Exact matchMoss Landing, CA, United StatesHQ recorded Sep 18, 202651-20076 contacts →

Exact match

“Verdagy is innovating advanced electrolysis technology for the large-scale production of clean hydrogen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 18, 202651-20052 contacts →

Exact match

“BayoTech is committed to addressing the global need for reliable, cost-effective and low-carbon hydrogen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchPalo Alto, CA, United StatesHQ recorded Sep 18, 2026n/a45 contacts →

Exact match

“Fourier is working on making on-site Hydrogen universally accessible.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8Exact matchSanta Clara, CA, United StatesHQ recorded Sep 18, 202611-5041 contacts →

Exact match

“Founded in 2020, EVOLOH Inc.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9Exact matchIthaca, NY, United StatesHQ recorded Sep 18, 202611-5035 contacts →

Exact match

“Ecolectro is revolutionizing green hydrogen production with our groundbreaking Anion Exchange Membrane (AEM) technology, enabling affordable and sustainable hydrogen generation…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchMilwaukee, WI, United StatesHQ recorded Sep 18, 202611-5031 contacts →

Exact match

“Green hydrogen today is too expensive, driven by sunk costs in fossil technologies, existing infrastructure, and decades of doing things the old way.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11Exact matchWilmington, DE, United StatesHQ recorded Sep 18, 202611-5026 contacts →

Exact match

“The global energy transition to hydrogen is here, and Versogen is boldly leading the way.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12Exact matchOrange, CA, United StatesHQ recorded Sep 18, 202651-20025 contacts →

Exact match

“Hyperion Companies was founded in 2011 with the goal of bringing a new wave of clean energy to the market in the form of hydrogen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13Exact matchPark City, UT, United StatesHQ recorded Sep 18, 202611-5015 contacts →

Exact match

“Q Hydrogen is redefining the future of energy through the development of our innovative Q Hydrogen -sustainable, cost-effective, and highly-efficient.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14Exact matchKennedy Space Center, FL, United StatesHQ recorded Sep 18, 202611-5015 contacts →

Exact match

“Joi Scientific was founded by a group of global business leaders, technologists and social entrepreneurs who believe that plentiful hydrogen holds the key to giving the world a…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15Exact matchLemont, IL, United StatesHQ recorded Sep 18, 20261-1014 contacts →

Exact match

“Building hydrogen for industrial decarbonization with durable and efficient fuel cells and electrolyzers”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
16Exact matchHouston, United StatesHQ recorded Sep 18, 202611-5013 contacts →

Exact match

“ICE Thermal Harvesting is based in Houston, TX and focuses on supplying zero-emission power in various regions around the world.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 18, 20261-1013 contacts →

Exact match

“We are a privately held green hydrogen production company working to make 100% zero-carbon renewable fuel alternatives widely available across the United States.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 18, 20261-1013 contacts →

Exact match

“Green hydrogen represents one of our planet’s best hopes for a sustainable future.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 18, 202611-5013 contacts →

Exact match

“We produce hydrogen using less energy, at less cost and with less impact to your business We don’t burn natural gas, we process it and produce what’s called Turquoise hydrogen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20Exact matchColumbus, TX, United StatesHQ recorded Sep 18, 202611-5013 contacts →

Exact match

“Newpoint Gas, LLC is currently developing clean hydrogen, carbon sequestration, and manufacturing projects.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
21Exact matchBend, OR, United StatesHQ recorded Sep 18, 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 18, 2026 · View company records in RevenueBase
22Exact matchHyattsville, MD, United StatesHQ recorded Sep 18, 20261-1010 contacts →

Exact match

“Ally Power is moving the country to a carbon-free future with our unique two-pronged approach to hydrogen fuel.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23Exact matchSacramento, CA, United StatesHQ recorded Sep 18, 202611-5010 contacts →

Exact match

“Founded in 2019, the Green Hydrogen Coalition (GHC) is the only 501(c)3 non-profit dedicated to deploying green hydrogen at scale for multi-sectoral decarbonization.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-2009 contacts →

Exact match

“Splitwaters is the leading electrolyzer manufacturer and engineering, procurement, and construction (EPC) company in Houston, TX, and has revolutionized the way green hydrogen…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
25Exact matchLouisville, CO, United StatesHQ recorded Sep 18, 202611-508 contacts →

Exact match

“AquaHydrex is commercializing the ideal water electrolysis platform for producing Green Hydrogen.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase

Showing 25 of 138 sustainable hydrogen manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 3,140 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable hydrogen manufacturers based in the United States at a glance

As of Sep 18, 2026
54.1%Verified-email coverage
42.1Average contacts per company
1-10Median size (employees)
7.2%Largest-city concentration · Houston
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
41
51-200
9
201-500
4
1,001-5,000
3

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 138 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 “sustainable hydrogen manufacturers” 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 3,140 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 18, 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 “sustainable hydrogen manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable hydrogen manufacturers are there based in the United States?

RevenueBase identified 138 company matches for sustainable hydrogen manufacturers 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?

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

Which city has the most sustainable hydrogen manufacturers?

Houston leads with 10 company records, followed by New York (9) and Austin (6).

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 3,140 professional contacts with verified work emails tracked across these 138 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 18, 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.