Company lists · Data refreshed October 2026

Top 25 Nuclear component manufacturers worldwide

RevenueBase identified 166 company matches for nuclear component manufacturers worldwide as of October 2026 and tracks 40,262 professional contacts across them, including 7,534 with verified work emails. The United States is the largest market and Brea the largest hub.

This list covers company matches for nuclear component manufacturers 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 18, 2026. Country and city lists for nuclear component manufacturers 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 Oct 18, 2026 How this list was built
166Companies
40,262Contacts tracked
7,534Verified emails
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The 25 largest nuclear component manufacturers worldwide

Ranked by team size
Top 25 of 166 company matches for nuclear component manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 Oct 18, 202610001+12,980 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 · Oct 18, 2026 · View company records in RevenueBase
2Exact matchCranberry Township, PA, United StatesHQ recorded Oct 18, 20265,001-10,00011,520 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchLynchburg, VA, United StatesHQ recorded Oct 18, 20265,001-10,0003,987 contacts →

Exact match

“At BWX Technologies, Inc.(NYSE: BWXT), we are People Strong, Innovation Driven.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Oct 18, 2026501-1,000364 contacts →

Exact match

“Se ocupa de la primera parte del ciclo de combustible nuclear (diseño, fabricación y abastecimiento de combustible) prestando servicios de ingeniería y combustible a las Centrales…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchEzeiza - Buenos Aires, ArgentinaHQ recorded Oct 18, 2026201-500307 contacts →

Exact match

“SOMOS CONUAR.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchMaliaño, SpainHQ recorded Oct 18, 2026201-500265 contacts →

Exact match

“Fabricación de componentes para la industria nuclear.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Oct 18, 20261,001-5,000264 contacts →

Exact match

“CANBERRA, now a part of Mirion Technologies, is a leading provider of innovative and cost-effective nuclear measurement solutions used to maintain safety of personnel, assess the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchFort Worth, TX, United StatesHQ recorded Oct 18, 2026201-500249 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 · Oct 18, 2026 · View company records in RevenueBase
9Exact matchCambridge, ON, CanadaHQ recorded Oct 18, 202651-200240 contacts →

Exact match

“Babcock & Wilcox Canada's Cambridge, Ontario facility was established in 1844 and has grown from a small foundry manufacturing industrial machinery to a world leader in the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchMontrouge, FranceHQ recorded Oct 18, 20261,001-5,000210 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 · Oct 18, 2026 · View company records in RevenueBase
11Exact matchBolevec, Czech RepublicHQ recorded Oct 18, 20261,001-5,000201 contacts →

Exact match

“ŠKODA JS a.s.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchFranceHQ recorded Oct 18, 20265,001-10,000184 contacts →

Exact match

“Nuclear for naval propulsion and peacefull research.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchHeras, SpainHQ recorded Oct 18, 2026201-500150 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 · Oct 18, 2026 · View company records in RevenueBase
14Exact matchOak Creek, WI, United StatesHQ recorded Oct 18, 2026501-1,000132 contacts →

Exact match

“With more than a half-century in the nuclear business, is an expert in nuclear material handling and lifting equipment.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchSaint-petersburg, RussiaHQ recorded Oct 18, 20261,001-5,00085 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 · Oct 18, 2026 · View company records in RevenueBase
16Exact matchGolden, CO, United StatesHQ recorded Oct 18, 202651-20079 contacts →

Exact match

“NFT, founded in 1984 and headquartered in Golden Colorado along with EPD located in Carlsbad New Mexico, is an industry leader dedicated to the manufacturing of highly engineered…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchPeyrolles-en-provence, FranceHQ recorded Oct 18, 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 · Oct 18, 2026 · View company records in RevenueBase
18Exact matchEllange, LuxembourgHQ recorded Oct 18, 202651-20073 contacts →

Exact match

“GRADEL is an innovative company operating in advanced industrial sectors.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchClinton, NC, United StatesHQ recorded Oct 18, 202651-20066 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 · Oct 18, 2026 · View company records in RevenueBase
20Exact matchStonington, CT, United StatesHQ recorded Oct 18, 202651-20065 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchHelsinki, FinlandHQ recorded Oct 18, 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 · Oct 18, 2026 · View company records in RevenueBase
22Exact matchNiagara Falls, ON, CanadaHQ recorded Oct 18, 202651-20053 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchKnoxville, TN, United StatesHQ recorded Oct 18, 202651-20046 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 · Oct 18, 2026 · View company records in RevenueBase
24Exact matchBirmingham, AL, United StatesHQ recorded Oct 18, 2026201-50040 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 · Oct 18, 2026 · View company records in RevenueBase
25Exact matchOak Ridge, TN, United StatesHQ recorded Oct 18, 202611-5039 contacts →

Exact match

“RbM Services, LLC has been manufacturing nuclear medical devices in East Tennessee for more than twenty years.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 166 nuclear component manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 7,534 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nuclear component manufacturers worldwide at a glance

As of Oct 18, 2026
18.7%Verified-email coverage
242.5Average contacts per company
51-200Median size (employees)
1.2%Largest-city concentration · Brea
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
37
51-200
39
201-500
25
501-1,000
7
1,001-5,000
17
5,001-10,000
6
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 manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “nuclear component manufacturers” 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 7,534 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 18, 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 manufacturers by location

1 lists · largest first

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

How many nuclear component manufacturers are there worldwide?

RevenueBase identified 166 company matches for nuclear component manufacturers 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?

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 manufacturers?

The United States leads with 52 companies. Every nuclear component manufacturers list by country and city is linked on this page.

Which city has the most nuclear component manufacturers?

Brea leads with 2 company records, followed by Cambridge (2) and Danbury (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 7,534 professional contacts with verified work emails tracked across these 166 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 18, 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.