Company lists · Data refreshed September 2026

Top 25 Hydrogen energy companies based in the United States

Name: Hydrogen energy companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 15, 2026 189 companies tracked

RevenueBase identified 189 hydrogen energy companies headquartered in the United States as of September 2026 and tracks 4,899 professional contacts across them, including 1,906 with verified work emails. Houston is the largest hub.

This list covers hydrogen energy companies headquartered in the United States, 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 15, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review

189Companies

4,899Contacts tracked

1,906Verified emails

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The 25 largest hydrogen energy companies based in the United States

Ranked by team size

Top 25 of 189 hydrogen energy companies based in the United States, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to hydrogen energy companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Plug Power	Strong evidence	Latham, NY, United StatesHQ checked Sep 15, 2026	1,001-5,000	2,037 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 15, 2026
2	Nikola Corporation	Partial evidence	Phoenix, AZ, United StatesHQ checked Sep 15, 2026	1,001-5,000	636 contacts →
	Partial evidence “Nikola is a technology disruptor and integrator, working to develop innovative energy and transportation solutions.” Source: RevenueBase Database · checked Sep 15, 2026
3	Xalt Energy	Indirect evidence	Midland, MI, United StatesHQ checked Sep 15, 2026	501-1,000	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 15, 2026
4	Oneh2, INC	Indirect evidence	Longview, NC, United StatesHQ checked Sep 15, 2026	51-200	130 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026
5	Quantum Fuel Systems LLC	Partial evidence	Lake Forest, CA, United StatesHQ checked Sep 15, 2026	51-200	100 contacts →
	Partial evidence “Quantum Fuel Systems LLC is engineering the future of alternative fuel storage by designing, developing and bringing innovative hydrogen, CNG and RNG transport trailers and…” Source: RevenueBase Database · checked Sep 15, 2026
6	Nuvera	Indirect evidence	Billerica, MA, United StatesHQ checked Sep 15, 2026	5,001-10,000	94 contacts →
	Indirect evidence “Nuvera®, a Hyster-Yale Materials Handling, Inc.” Source: RevenueBase Database · checked Sep 15, 2026
7	HYZON	Partial evidence	Bolingbrook, MI, United StatesHQ checked Sep 15, 2026	201-500	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 15, 2026
8	Fastech	Partial evidence	Buena Park, CA, United StatesHQ checked Sep 15, 2026	51-200	81 contacts →
	Partial evidence “Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Source: RevenueBase Database · checked Sep 15, 2026
9	Modern Hydrogen	Strong evidence	Woodinville, OR, United StatesHQ checked Sep 15, 2026	51-200	69 contacts →
	Strong evidence “Modern Hydrogen is an energy & materials company.” Source: RevenueBase Database · checked Sep 15, 2026
10	Firstelement Fuel, INC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 15, 2026	51-200	54 contacts →
	Indirect evidence “At FirstElement Fuel, Inc.” Source: RevenueBase Database · checked Sep 15, 2026
11	Bayotech Hydrogen	Partial evidence	Albuquerque, NM, United StatesHQ checked Sep 15, 2026	51-200	52 contacts →
	Partial evidence “BayoTech is committed to addressing the global need for reliable, cost-effective and low-carbon hydrogen.” Source: RevenueBase Database · checked Sep 15, 2026
12	Genh2	Strong evidence	Titusville, FL, United StatesHQ checked Sep 15, 2026	51-200	37 contacts →
	Strong evidence “GenH2 is a technology leader in liquid hydrogen infrastructure systems, delivering breakthrough solutions to accelerate the clean energy transition.” Source: RevenueBase Database · checked Sep 15, 2026
13	Ecolectro	Partial evidence	Ithaca, NY, United StatesHQ checked Sep 15, 2026	11-50	35 contacts →
	Partial evidence “Ecolectro is revolutionizing green hydrogen production with our groundbreaking Anion Exchange Membrane (AEM) technology, enabling affordable and sustainable hydrogen generation…” Source: RevenueBase Database · checked Sep 15, 2026
14	Infintium Fuel Cell Systems	Partial evidence	Greenville, SC, United StatesHQ checked Sep 15, 2026	11-50	32 contacts →
	Partial evidence “Infintium Fuel Cell Systems is an original designer and manufacturer of the next generation of zero emission Hydrogen Power Cells for motive applications.” Source: RevenueBase Database · checked Sep 15, 2026
15	Hyperion Companies, INC	Strong evidence	Orange, CA, United StatesHQ checked Sep 15, 2026	51-200	25 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 15, 2026
16	Gloyer-Taylor Laboratories, INC	Partial evidence	Tullahoma, TN, United StatesHQ checked Sep 15, 2026	11-50	24 contacts →
	Partial evidence “GTL is a high-technology company specializing in providing strategic technology breakthroughs and game-changing products to the Hydrogen Economy and the Transportation, Aviation…” Source: RevenueBase Database · checked Sep 15, 2026
17	Brilliant Light Power INC	Partial evidence	Cranbury, NJ, United StatesHQ checked Sep 15, 2026	11-50	21 contacts →
	Partial evidence “Brilliant Light Power, Inc is the inventor of a new primary energy source with applications to heating, distributed and central power generation, and motive power.” Source: RevenueBase Database · checked Sep 15, 2026
18	H2c H2 Clipper, INC H2c Safety Pipe, INC	Partial evidence	Santa Barbara, CA, United StatesHQ checked Sep 15, 2026	11-50	17 contacts →
	Partial evidence “H2C is committed to accelerating the hydrogen economy by providing a breakthrough in the transportation and infrastructure required to bring green hydrogen to market now at a…” Source: RevenueBase Database · checked Sep 15, 2026
19	Neoex Systems, INC	Strong evidence	Amherst, OH, United StatesHQ checked Sep 15, 2026	11-50	17 contacts →
	Strong evidence “We provide on-board liquid hydrogen energy storage and fuel cell power system integration services to unmanned aerial vehicle (UAV) manufacturers.” Source: RevenueBase Database · checked Sep 15, 2026
20	Independence Hydrogen	Partial evidence	Ashburn, VA, United StatesHQ checked Sep 15, 2026	11-50	16 contacts →
	Partial evidence “We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Source: RevenueBase Database · checked Sep 15, 2026
21	Q Hydrogen Companies	Strong evidence	Park City, UT, United StatesHQ checked Sep 15, 2026	11-50	15 contacts →
	Strong evidence “Q Hydrogen is redefining the future of energy through the development of our innovative Q Hydrogen -sustainable, cost-effective, and highly-efficient.” Source: RevenueBase Database · checked Sep 15, 2026
22	JOI Scientific	Partial evidence	Kennedy Space Center, FL, United StatesHQ checked Sep 15, 2026	11-50	15 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 15, 2026
23	Celadyne Technologies	Partial evidence	Lemont, IL, United StatesHQ checked Sep 15, 2026	1-10	14 contacts →
	Partial evidence “Building hydrogen for industrial decarbonization with durable and efficient fuel cells and electrolyzers” Source: RevenueBase Database · checked Sep 15, 2026
24	Renewable Innovations INC	Indirect evidence	American Fork, UT, United StatesHQ checked Sep 15, 2026	51-200	14 contacts →
	Indirect evidence “Every day, we’re moving one step closer to a more sustainable and manageable power future.” Source: RevenueBase Database · checked Sep 15, 2026
25	ICE Thermal Harvesting	Indirect evidence	Houston, United StatesHQ checked Sep 15, 2026	11-50	13 contacts →
	Indirect evidence “ICE Thermal Harvesting is based in Houston, TX and focuses on supplying zero-emission power in various regions around the world.” Source: RevenueBase Database · checked Sep 15, 2026

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 energy companies. 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 energy companies.
Partial evidence: Its own public description names part of hydrogen energy companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hydrogen energy companies. 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 189 hydrogen energy companies based in the United States

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Hydrogen energy companies based in the United States at a glance

As of Sep 15, 2026

38.9%Verified-email coverage

25.9Average contacts per company

1-10Median size (employees)

7.4%Largest-city concentration · Houston

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

102

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 189 companies.

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 energy companies, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “hydrogen energy companies”. 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 energy companies), 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 energy companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 1,906 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 15, 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.

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 energy companies, 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 energy companies are there based in the United States?

RevenueBase identified 189 hydrogen energy companies headquartered in the United States 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?

Plug Power, headquartered in Latham, tops this list with the largest team on record.

Which city has the most hydrogen energy companies?

Houston leads with 14 headquartered companies, followed by New York (11) and Austin (5).

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 1,906 verified decision-maker contacts tracked across these 189 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 15, 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.