Company lists · Data refreshed September 2026

Top 25 Nuclear component suppliers worldwide

RevenueBase identified 137 company matches for nuclear component suppliers worldwide as of September 2026 and tracks 33,494 professional contacts across them, including 7,748 with verified work emails. The United States is the largest market and Brea the largest hub.

This list covers company matches for nuclear component suppliers 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 September 20, 2026. Country and city lists for nuclear component suppliers 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 Sep 20, 2026 How this list was built
137Companies
33,494Contacts tracked
7,748Verified emails
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The 25 largest nuclear component suppliers worldwide

Ranked by team size
Top 25 of 137 company matches for nuclear component suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchCourbevoie, FranceHQ recorded Sep 20, 202610001+12,439 contacts →

Exact match

“Framatome is an international leader in nuclear energy recognized for its innovative, digital and value added solutions for the global nuclear fleet.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchCranberry Township, PA, United StatesHQ recorded Sep 20, 20265,001-10,00010,898 contacts →

Exact match

“Westinghouse Electric Company is the world's leading supplier of safe and innovative nuclear technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchBethesda, MD, United StatesHQ recorded Sep 20, 2026201-500684 contacts →

Exact match

“Centrus Energy is a trusted American supplier of nuclear fuel and services for the nuclear power industry, helping meet the growing need for clean, affordable, carbon-free energy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchSan Sebastian De Los Reyes, SpainHQ recorded Sep 20, 2026501-1,000487 contacts →

Exact match

“TECNATOM was set up in 1957 as a Spanish engineering company specialising in guaranteeing the operation and maintenance of nuclear power plants to the highest levels of safety.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchChester, United KingdomHQ recorded Sep 20, 2026501-1,000352 contacts →

Exact match

“Urenco Capenhurst is the Cheshire base for three Urenco companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchEzeiza - Buenos Aires, ArgentinaHQ recorded Sep 20, 2026201-500287 contacts →

Exact match

“SOMOS CONUAR.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchMaliaño, SpainHQ recorded Sep 20, 2026201-500254 contacts →

Exact match

“Fabricación de componentes para la industria nuclear.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchFort Worth, TX, United StatesHQ recorded Sep 20, 2026201-500234 contacts →

Exact match

“Paragon tackles the most difficult challenges of the nuclear industry-those faced by the current operating fleet as well as the next generation of advanced reactors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMontrouge, FranceHQ recorded Sep 20, 20261,001-5,000211 contacts →

Exact match

“Partner for the nuclear industry Bilfinger has successfully supported and advised customers from the nuclear industry for decades.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBolevec, Czech RepublicHQ recorded Sep 20, 20261,001-5,000198 contacts →

Exact match

“ŠKODA JS a.s.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchFranceHQ recorded Sep 20, 20265,001-10,000182 contacts →

Exact match

“Nuclear for naval propulsion and peacefull research.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchHeras, SpainHQ recorded Sep 20, 2026201-500138 contacts →

Exact match

“ENWESA es una empresa de servicios y fabricación especializada en servicios nucleares, revisión y mantenimiento de válvulas industriales, fabricación de depósitos a presión e…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchSaint-petersburg, RussiaHQ recorded Sep 20, 20261,001-5,00084 contacts →

Exact match

“ATOMPROEKT is a dynamically growing company that has successfully united the competences of the two leading design institutes of State Corporation Rosatom in a number of fields –…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchPeyrolles-en-provence, FranceHQ recorded Sep 20, 202651-20078 contacts →

Exact match

“Depuis 35 ans CSTI INDUSTRIE, est spécialiste des projets « clé en main » dans le domaine du nucléaire.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchClinton, NC, United StatesHQ recorded Sep 20, 202651-20065 contacts →

Exact match

“DuBose National Energy Services, INC.(DNES) is a major, strategic supplier of metal and metal products to the international nuclear industry; including utilities, component…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchHelsinki, FinlandHQ recorded Sep 20, 202651-20056 contacts →

Exact match

“JSC CONCERN TITAN-2 Branch in Finland is the main contractor of the Hanhikivi-1 nuclear power plant construction site.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchNiagara Falls, ON, CanadaHQ recorded Sep 20, 202651-20049 contacts →

Exact match

“We are a specialist nuclear fabricator working with carbon steel, alloy steel and composite structures.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchKnoxville, TN, United StatesHQ recorded Sep 20, 202651-20042 contacts →

Exact match

“Analysis and Measurement Services Corporation (AMS) is a nuclear engineering consulting firm and recognized market leader in providing the worldwide nuclear power industry with…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchPrague 1, Czech RepublicHQ recorded Sep 20, 2026201-50039 contacts →

Exact match

“G-Team, a.s.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchBirmingham, AL, United StatesHQ recorded Sep 20, 2026201-50039 contacts →

Exact match

“Consolidated Power Supply provides a wide range of materials to energy industries, with its primary business focus on the supply of safety related metallic materials, parts, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLatrobe, PA, United StatesHQ recorded Sep 20, 2026201-50038 contacts →

Exact match

“Established in 1987, Master-Lee Energy Services was founded to provide the commercial Nuclear Power Industry with engineering, reactor services, decontamination, Reactor Coolant…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchRochester Hills, MI, United StatesHQ recorded Sep 20, 2026201-50035 contacts →

Exact match

“Energy Steel is a diversified supplier of highly engineered welded and machined products that meet nuclear code requirements and nuclear industry Quality expectations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Sep 20, 20261,001-5,00029 contacts →

Exact match

“KROHNE Nuclear is located in Romans-sur-Isère, France.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchSt. Petersburg, RussiaHQ recorded Sep 20, 202651-20026 contacts →

Exact match

“Engineering in the nuclear industry”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Sep 20, 202651-20025 contacts →

Exact match

“Sudhir Brothers was established in 1983 and today, it has evolved into being recognized as one of the most reputed manufacturers of plants and equipments all across India and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 137 nuclear component suppliers worldwide

See the full list, filter by size, metro and specialty, and access 7,748 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nuclear component suppliers worldwide at a glance

As of Sep 20, 2026
23.1%Verified-email coverage
244.5Average contacts per company
51-200Median size (employees)
1.5%Largest-city concentration · Brea
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
29
51-200
24
201-500
25
501-1,000
7
1,001-5,000
13
5,001-10,000
4
10001+
4

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 nuclear component suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “nuclear component suppliers” 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 7,748 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 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.

Nuclear component suppliers by location

1 lists · largest first

Every Nuclear component suppliers 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 “nuclear component suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nuclear component suppliers are there worldwide?

RevenueBase identified 137 company matches for nuclear component suppliers worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most nuclear component suppliers?

The United States leads with 38 companies. Every nuclear component suppliers list by country and city is linked on this page.

Which city has the most nuclear component suppliers?

Brea leads with 2 company records, followed by Ezeiza (2) and Hyderabad (2).

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 7,748 professional contacts with verified work emails tracked across these 137 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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.