Company lists · Data refreshed November 2026

Top 25 Green hydrogen developers based in the United States

RevenueBase identified 174 company matches for green hydrogen developers associated with the United States as of November 2026 and tracks 3,490 professional contacts across them, including 1,629 with verified work emails. Houston is the largest hub.

This list covers company matches for green hydrogen developers 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 November 6, 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 Nov 6, 2026 How this list was built
174Companies
3,490Contacts tracked
1,629Verified emails
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The 25 largest green hydrogen developers based in the United States

Ranked by team size
Top 25 of 174 company matches for green hydrogen developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchLatham, NY, United StatesHQ recorded Nov 6, 20261,001-5,0002,060 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSouth Windsor, CT, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrooklyn, TX, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“Amogy provides mature, scalable, and efficient ammonia-to-power solutions for power generation, heavy industry, and maritime shipping applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBillerica, MA, United StatesHQ recorded Nov 6, 20265,001-10,00088 contacts →

Exact match

“Nuvera®, a Hyster-Yale Materials Handling, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMoss Landing, CA, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a54 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAlbuquerque, NM, United StatesHQ recorded Nov 6, 202651-20046 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Founded in 2020, EVOLOH Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIthaca, NY, United StatesHQ recorded Nov 6, 202611-5029 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWilmington, DE, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOrange, CA, United StatesHQ recorded Nov 6, 202651-20022 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPark City, UT, United StatesHQ recorded Nov 6, 202611-5018 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTorrance, CA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Equatic is on a mission to power the green economy by revolutionizing carbon management and clean energy solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchColumbus, TX, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Green energy, fuels and supercomputing: Open Origin builds and operates the infrastructure of the future, producing green ammonia for hydrogen transport and storage, marine fuel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBend, OR, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLemont, IL, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHyattsville, MD, United StatesHQ recorded Nov 6, 20261-1011 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261-1011 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5010 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“We leverage the capabilities of our patented catalyst and new PCC H2 technology (patent pending) to deliver low cost and readily available green hydrogen to the point of use.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBend, OR, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“For marine applications such as electrical generators on ocean-going vessels, main propulsion for inland / coastal vessels, and power for refrigerated containers,hydrogen-powered…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Ivys Energy Solutions, building on its founders’ decades of experience in the hydrogen fuel cell industry, is developing innovative technologies and products that will make a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 174 green hydrogen developers based in the United States

See the full list, filter by size, metro and specialty, and access 1,629 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green hydrogen developers based in the United States at a glance

As of Nov 6, 2026
46.7%Verified-email coverage
20.1Average contacts per company
1-10Median size (employees)
8.0%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
111
11-50
47
51-200
11
201-500
2
1,001-5,000
2
5,001-10,000
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 174 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 “green hydrogen developers” 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 1,629 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 November 6, 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 “green hydrogen developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green hydrogen developers are there based in the United States?

RevenueBase identified 174 company matches for green hydrogen developers associated with the United States as of November 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?

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

Which city has the most green hydrogen developers?

Houston leads with 14 company records, followed by New York (12) and Austin (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 1,629 professional contacts with verified work emails tracked across these 174 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 November 6, 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.