Company lists · Data refreshed November 2026

Top 25 Fusion energy research organizations worldwide

RevenueBase identified 516 company matches for fusion energy research organizations worldwide as of November 2026 and tracks 72,913 professional contacts across them, including 24,478 with verified work emails. The United States is the largest market and Abingdon the largest hub.

This list covers company matches for fusion energy research organizations 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 November 6, 2026. Country and city lists for fusion energy research organizations 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 Nov 6, 2026 How this list was built
516Companies
72,913Contacts tracked
24,478Verified emails
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The 25 largest fusion energy research organizations worldwide

Ranked by team size
Top 25 of 516 company matches for fusion energy research organizations worldwide, 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 matchParis, FranceHQ recorded Nov 6, 202610001+16,526 contacts →

Exact match

“The CEA is the French Alternative Energies and Atomic Energy Commission ("Commissariat à l'énergie atomique et aux énergies alternatives").”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChalk River, ON, CanadaHQ recorded Nov 6, 20261,001-5,0002,270 contacts →

Exact match

“Canada's premier nuclear science and technology organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRome, ItalyHQ recorded Nov 6, 20261,001-5,0001,861 contacts →

Exact match

“The National Institute for Nuclear Physics (INFN) is the Italian research agency dedicated to the study of the fundamental constituents of matter and the laws that govern them…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVilligen Psi, SwitzerlandHQ recorded Nov 6, 20261,001-5,0001,643 contacts →

Exact match

“The Paul Scherrer Institute PSI develops, builds and operates large, complex research facilities and makes them available to the national and international research community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHamburg, GermanyHQ recorded Nov 6, 20261,001-5,0001,498 contacts →

Exact match

“Welcome to DESY!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDevens, MA, United StatesHQ recorded Nov 6, 2026501-1,0001,098 contacts →

Exact match

“Commonwealth Fusion Systems (CFS) is on a mission to deliver clean fusion energy to the planet fast enough to matter for humanity’s biggest challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNewport News, VA, United StatesHQ recorded Nov 6, 2026501-1,000857 contacts →

Exact match

“The Thomas Jefferson National Accelerator Facility, located in Newport News, Virginia, is operated by SURATech, LLC, for the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMol, BelgiumHQ recorded Nov 6, 2026501-1,000842 contacts →

Exact match

“Do not underestimate the power of atoms: nuclear applications can make a great difference for society both now and in the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGandhinagar, IndiaHQ recorded Nov 6, 2026501-1,000800 contacts →

Exact match

“The Institute for Plasma Research (IPR) is a premier research institute working in the field of plasma science and technology with a long term objective of achieving fusion as a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKjeller, NorwayHQ recorded Nov 6, 2026501-1,000496 contacts →

Exact match

“Institute for Energy Technology (IFE) is an independent international research foundation located in Norway at Kjeller and in Halden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEverett, WA, United StatesHQ recorded Nov 6, 2026201-500476 contacts →

Exact match

“We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPrague, Czech RepublicHQ recorded Nov 6, 20261,001-5,000447 contacts →

Exact match

“Institute of Physics is one of the Czech Republic's most successful research institutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIndonesiaHQ recorded Nov 6, 20261,001-5,000418 contacts →

Exact match

“R&D in nuclear science and technology”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTsukuba, JapanHQ recorded Nov 6, 2026501-1,000366 contacts →

Exact match

“The High Energy Accelerator Research Organization (KEK) is a world-leading research institute with campuses in Tsukuba city and Tokai village, Japan, dedicated to advancing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchJanesville, WI, United StatesHQ recorded Nov 6, 2026201-500363 contacts →

Exact match

“Headquartered in Janesville, Wisconsin, SHINE is an industry leader in next-generation fusion, developing innovative fusion-based technology that combines safety, cost-efficiency…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVilnius, LithuaniaHQ recorded Nov 6, 2026501-1,000316 contacts →

Exact match

“The Center for Physical Sciences and Technology (FTMC) is the largest scientific research institution in Lithuania, conducting unique fundamental research and technological…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFoothill Ranch, CA, United StatesHQ recorded Nov 6, 2026201-500292 contacts →

Exact match

“TAE Technologies (pronounced T-A-E) was founded in 1998 to develop commercial fusion power with the cleanest environmental profile.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMilton, United KingdomHQ recorded Nov 6, 2026201-500269 contacts →

Exact match

“We are developing the technology to deliver clean, secure and affordable fusion energy in the 2030s.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 2026201-500214 contacts →

Exact match

“Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHusinec, Czech RepublicHQ recorded Nov 6, 2026201-500206 contacts →

Exact match

“The mission of Research Centre Řež is to excel in research, development and innovations for power generation industry, in particular the nuclear power generation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFremont, CA, United StatesHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“Pacific Fusion was founded with the mission of putting affordable, abundant fusion energy on the grid to power cities, businesses and homes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChiba-city, JapanHQ recorded Nov 6, 20261,001-5,000186 contacts →

Exact match

“The National Institutes for Quantum Science and Technology (QST) was established in April 2016 to promote quantum science and technology in a comprehensive and integrated manner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDolní Břežany, Czech RepublicHQ recorded Nov 6, 2026201-500181 contacts →

Exact match

“The Extreme Light Infrastructure (ELI) is the world’s largest and most advanced high-power laser research infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRichmond, BC, CanadaHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“Established in 2002, General Fusion is a global leader in the race to commercialize clean fusion energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDarmstadt, GermanyHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“Focused Energy is the leading laser-driven fusion company pursuing the most promising path to clean, limitless fusion power.”

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

Showing 25 of 516 fusion energy research organizations worldwide

See the full list, filter by size, metro and specialty, and access 24,478 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fusion energy research organizations worldwide at a glance

As of Nov 6, 2026
33.6%Verified-email coverage
141.3Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Abingdon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
150
11-50
126
51-200
112
201-500
49
501-1,000
37
1,001-5,000
32
5,001-10,000
4
10001+
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 fusion energy research organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “fusion energy research organizations” 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 24,478 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.

Fusion energy research organizations by location

4 lists · largest first

Every Fusion energy research organizations 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 “fusion energy research organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fusion energy research organizations are there worldwide?

RevenueBase identified 516 company matches for fusion energy research organizations worldwide 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?

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

Which country has the most fusion energy research organizations?

The United States leads with 105 companies, followed by the United Kingdom (37) and Germany (36). Every fusion energy research organizations list by country and city is linked on this page.

Which city has the most fusion energy research organizations?

Abingdon leads with 5 company records, followed by New York (5) and Garching Bei Munchen (4).

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 24,478 professional contacts with verified work emails tracked across these 516 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.