Company lists · Data refreshed October 2026
Top 25 Fusion energy research organizations worldwide
RevenueBase identified 483 company matches for fusion energy research organizations worldwide as of October 2026 and tracks 37,587 professional contacts across them, including 8,927 with verified work emails. The United States is the largest market and San Francisco 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 October 13, 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.
The 25 largest fusion energy research organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,823 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 1,602 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 1,460 contacts → | ||||
Exact match “Welcome to DESY!” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 1,071 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 983 contacts → | ||||
Exact match “TerraPower is a leading nuclear innovation company that strives to improve the world through nuclear energy and science.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 830 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 828 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 780 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 740 contacts → | ||||
Exact match “IPEN/CNEN - Instituto de Pesquisas Energéticas e Nucleares” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 484 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 460 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 436 contacts → | ||||
Exact match “Institute of Physics is one of the Czech Republic's most successful research institutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 410 contacts → | ||||
Exact match “R&D in nuclear science and technology” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 359 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 350 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 306 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 289 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 268 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 221 contacts → | ||||
Exact match “IRESNE est un institut du CEA implanté sur le centre CEA de Cadarache.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 205 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 203 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 194 contacts → | ||||
Exact match “Pacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 186 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 176 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 169 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “fusion energy research organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 483 fusion energy research organizations worldwide
See the full list, filter by size, metro and specialty, and access 8,927 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Fusion energy research organizations worldwide at a glance
As of Oct 13, 2026Companies by employee count
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 8,927 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 October 13, 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
3 lists · largest firstEvery 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 483 company matches for fusion energy research organizations worldwide as of October 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?
INFN 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 93 companies, followed by Germany (37) and the United Kingdom (35). Every fusion energy research organizations list by country and city is linked on this page.
Which city has the most fusion energy research organizations?
San Francisco leads with 5 company records, followed by Abingdon (4) 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 8,927 professional contacts with verified work emails tracked across these 483 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 October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 483 fusion energy research organizations worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 fusion energy research organizations worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 483 matching company records for fusion energy research organizations worldwide, with 37,587 tracked contacts and 8,927 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 fusion energy research organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | INFNinfn.it HQ: Rome, ItalyReported employees: 1,001-5,000 | Rome, Italy | 1,001-5,000 | Exact match | 1,823 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Villigen Psi, SwitzerlandReported employees: 1,001-5,000 | Villigen Psi, Switzerland | 1,001-5,000 | Exact match | 1,602 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DESYdesy.de HQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 1,460 contacts → |
“Welcome to DESY!” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Commonwealth Fusion Systemscfs.energy HQ: Devens, MA, United StatesReported employees: 501-1,000 | Devens, MA, United States | 501-1,000 | Exact match | 1,071 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Terrapowerterrapower.comHQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 983 contacts → |
“TerraPower is a leading nuclear innovation company that strives to improve the world through nuclear energy and science.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Jefferson LABjlab.org HQ: Newport News, VA, United StatesReported employees: 501-1,000 | Newport News, VA, United States | 501-1,000 | Exact match | 830 contacts → |
“The Thomas Jefferson National Accelerator Facility, located in Newport News, Virginia, is operated by SURATech, LLC, for the U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SCK CENsckcen.be HQ: Mol, BelgiumReported employees: 501-1,000 | Mol, Belgium | 501-1,000 | Exact match | 828 contacts → |
“Do not underestimate the power of atoms: nuclear applications can make a great difference for society both now and in the future.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Institute For Plasma Researchipr.res.in HQ: Gandhinagar, IndiaReported employees: 501-1,000 | Gandhinagar, India | 501-1,000 | Exact match | 780 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IPENipen.br HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 740 contacts → |
“IPEN/CNEN - Instituto de Pesquisas Energéticas e Nucleares” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Kjeller, NorwayReported employees: 501-1,000 | Kjeller, Norway | 501-1,000 | Exact match | 484 contacts → |
“Institute for Energy Technology (IFE) is an independent international research foundation located in Norway at Kjeller and in Halden.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Helionhelionenergy.com HQ: Everett, WA, United StatesReported employees: 201-500 | Everett, WA, United States | 201-500 | Exact match | 460 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | FZUfzu.cz HQ: Prague, Czech RepublicReported employees: 1,001-5,000 | Prague, Czech Republic | 1,001-5,000 | Exact match | 436 contacts → |
“Institute of Physics is one of the Czech Republic's most successful research institutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | National Nuclear Energy Agencybatan.go.id HQ: IndonesiaReported employees: 1,001-5,000 | Indonesia | 1,001-5,000 | Exact match | 410 contacts → |
“R&D in nuclear science and technology” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | KEKkek.jp HQ: Tsukuba, JapanReported employees: 501-1,000 | Tsukuba, Japan | 501-1,000 | Exact match | 359 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Shine Technologiesshinefusion.com HQ: Janesville, WI, United StatesReported employees: 201-500 | Janesville, WI, United States | 201-500 | Exact match | 350 contacts → |
“Headquartered in Janesville, Wisconsin, SHINE is an industry leader in next-generation fusion, developing innovative fusion-based technology that combines safety, cost-efficiency…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Vilnius, LithuaniaReported employees: 501-1,000 | Vilnius, Lithuania | 501-1,000 | Exact match | 306 contacts → |
“The Center for Physical Sciences and Technology (FTMC) is the largest scientific research institution in Lithuania, conducting unique fundamental research and technological…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TAE Technologies, INCtae.com HQ: Foothill Ranch, CA, United StatesReported employees: 201-500 | Foothill Ranch, CA, United States | 201-500 | Exact match | 289 contacts → |
“TAE Technologies (pronounced T-A-E) was founded in 1998 to develop commercial fusion power with the cleanest environmental profile.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tokamak Energytokamakenergy.com HQ: Milton, United KingdomReported employees: 201-500 | Milton, United Kingdom | 201-500 | Exact match | 268 contacts → |
“We are developing the technology to deliver clean, secure and affordable fusion energy in the 2030s.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CEA Iresnecea.fr HQ: Saint Paul Lez Durance Cedex, FranceReported employees: 501-1,000 | Saint Paul Lez Durance Cedex, France | 501-1,000 | Exact match | 221 contacts → |
“IRESNE est un institut du CEA implanté sur le centre CEA de Cadarache.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Husinec, Czech RepublicReported employees: 201-500 | Husinec, Czech Republic | 201-500 | Exact match | 205 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Type ONE Energytypeoneenergy.com HQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 203 contacts → |
“Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pacific Fusionpacificfusion.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 194 contacts → |
“Pacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Chiba-city, JapanReported employees: 1,001-5,000 | Chiba-city, Japan | 1,001-5,000 | Exact match | 186 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ELI Beamlines Facilityeli-beams.eu HQ: Dolní Břežany, Czech RepublicReported employees: 201-500 | Dolní Břežany, Czech Republic | 201-500 | Exact match | 176 contacts → |
“The Extreme Light Infrastructure (ELI) is the world’s largest and most advanced high-power laser research infrastructure.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | General Fusiongeneralfusion.com HQ: Richmond, BC, CanadaReported employees: 51-200 | Richmond, BC, Canada | 51-200 | Exact match | 169 contacts → |
“Established in 2002, General Fusion is a global leader in the race to commercialize clean fusion energy.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 483 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Fusion energy research organizations: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
479 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 483 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Fusion energy research organizations by location
3 lists · largest firstEvery 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
Questions about this company list
What does Exact match mean for fusion energy research organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many fusion energy research organizations did RevenueBase find worldwide?
The saved snapshot records 483 matching company records, 37,587 tracked contacts and 8,927 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 fusion energy research organizations worldwide. Snapshot: October 13, 2026. https://revenuebase.ai/companies/browse/fusion-energy-research-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 fusion energy research organizations worldwide
RevenueBase records 483 matching company records for fusion energy research organizations worldwide, with 37,587 tracked contacts and 8,927 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 fusion energy research organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | INFNinfn.it HQ: Rome, ItalyReported employees: 1,001-5,000 | Rome, Italy | 1,001-5,000 | Exact match | 1,823 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Villigen Psi, SwitzerlandReported employees: 1,001-5,000 | Villigen Psi, Switzerland | 1,001-5,000 | Exact match | 1,602 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DESYdesy.de HQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 1,460 contacts → |
“Welcome to DESY!” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Commonwealth Fusion Systemscfs.energy HQ: Devens, MA, United StatesReported employees: 501-1,000 | Devens, MA, United States | 501-1,000 | Exact match | 1,071 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Terrapowerterrapower.com HQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 983 contacts → |
“TerraPower is a leading nuclear innovation company that strives to improve the world through nuclear energy and science.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Jefferson LABjlab.org HQ: Newport News, VA, United StatesReported employees: 501-1,000 | Newport News, VA, United States | 501-1,000 | Exact match | 830 contacts → |
“The Thomas Jefferson National Accelerator Facility, located in Newport News, Virginia, is operated by SURATech, LLC, for the U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SCK CENsckcen.be HQ: Mol, BelgiumReported employees: 501-1,000 | Mol, Belgium | 501-1,000 | Exact match | 828 contacts → |
“Do not underestimate the power of atoms: nuclear applications can make a great difference for society both now and in the future.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Institute For Plasma Researchipr.res.in HQ: Gandhinagar, IndiaReported employees: 501-1,000 | Gandhinagar, India | 501-1,000 | Exact match | 780 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IPENipen.br HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 740 contacts → |
“IPEN/CNEN - Instituto de Pesquisas Energéticas e Nucleares” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Kjeller, NorwayReported employees: 501-1,000 | Kjeller, Norway | 501-1,000 | Exact match | 484 contacts → |
“Institute for Energy Technology (IFE) is an independent international research foundation located in Norway at Kjeller and in Halden.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Helionhelionenergy.com HQ: Everett, WA, United StatesReported employees: 201-500 | Everett, WA, United States | 201-500 | Exact match | 460 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | FZUfzu.cz HQ: Prague, Czech RepublicReported employees: 1,001-5,000 | Prague, Czech Republic | 1,001-5,000 | Exact match | 436 contacts → |
“Institute of Physics is one of the Czech Republic's most successful research institutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | National Nuclear Energy Agencybatan.go.id HQ: IndonesiaReported employees: 1,001-5,000 | Indonesia | 1,001-5,000 | Exact match | 410 contacts → |
“R&D in nuclear science and technology” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | KEKkek.jp HQ: Tsukuba, JapanReported employees: 501-1,000 | Tsukuba, Japan | 501-1,000 | Exact match | 359 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Shine Technologiesshinefusion.com HQ: Janesville, WI, United StatesReported employees: 201-500 | Janesville, WI, United States | 201-500 | Exact match | 350 contacts → |
“Headquartered in Janesville, Wisconsin, SHINE is an industry leader in next-generation fusion, developing innovative fusion-based technology that combines safety, cost-efficiency…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Vilnius, LithuaniaReported employees: 501-1,000 | Vilnius, Lithuania | 501-1,000 | Exact match | 306 contacts → |
“The Center for Physical Sciences and Technology (FTMC) is the largest scientific research institution in Lithuania, conducting unique fundamental research and technological…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TAE Technologies, INCtae.com HQ: Foothill Ranch, CA, United StatesReported employees: 201-500 | Foothill Ranch, CA, United States | 201-500 | Exact match | 289 contacts → |
“TAE Technologies (pronounced T-A-E) was founded in 1998 to develop commercial fusion power with the cleanest environmental profile.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tokamak Energytokamakenergy.com HQ: Milton, United KingdomReported employees: 201-500 | Milton, United Kingdom | 201-500 | Exact match | 268 contacts → |
“We are developing the technology to deliver clean, secure and affordable fusion energy in the 2030s.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CEA Iresnecea.fr HQ: Saint Paul Lez Durance Cedex, FranceReported employees: 501-1,000 | Saint Paul Lez Durance Cedex, France | 501-1,000 | Exact match | 221 contacts → |
“IRESNE est un institut du CEA implanté sur le centre CEA de Cadarache.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Husinec, Czech RepublicReported employees: 201-500 | Husinec, Czech Republic | 201-500 | Exact match | 205 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Type ONE Energytypeoneenergy.com HQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 203 contacts → |
“Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pacific Fusionpacificfusion.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 194 contacts → |
“Pacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Chiba-city, JapanReported employees: 1,001-5,000 | Chiba-city, Japan | 1,001-5,000 | Exact match | 186 contacts → |
“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 description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ELI Beamlines Facilityeli-beams.eu HQ: Dolní Břežany, Czech RepublicReported employees: 201-500 | Dolní Břežany, Czech Republic | 201-500 | Exact match | 176 contacts → |
“The Extreme Light Infrastructure (ELI) is the world’s largest and most advanced high-power laser research infrastructure.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | General Fusiongeneralfusion.com HQ: Richmond, BC, CanadaReported employees: 51-200 | Richmond, BC, Canada | 51-200 | Exact match | 169 contacts → |
“Established in 2002, General Fusion is a global leader in the race to commercialize clean fusion energy.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 483 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Fusion energy research organizations: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
479 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 483 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Fusion energy research organizations by location
3 lists · largest firstEvery 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
Questions about this company list
What does Exact match mean for fusion energy research organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many fusion energy research organizations did RevenueBase find worldwide?
The saved snapshot records 483 matching company records, 37,587 tracked contacts and 8,927 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 fusion energy research organizations worldwide. Snapshot: October 13, 2026. https://revenuebase.ai/companies/browse/fusion-energy-research-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗