Company lists · Data refreshed November 2026

Top 25 Nuclear power refueling services worldwide

RevenueBase identified 86 company matches for nuclear power refueling services worldwide as of November 2026 and tracks 28,343 professional contacts across them, including 11,238 with verified work emails. The United States is the largest market and Courbevoie the largest hub.

This list covers company matches for nuclear power refueling services 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 nuclear power refueling services 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
86Companies
28,343Contacts tracked
11,238Verified emails
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The 25 largest nuclear power refueling services worldwide

Ranked by team size
Top 25 of 86 company matches for nuclear power refueling services 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 matchCourbevoie, FranceHQ recorded Nov 6, 202610001+13,401 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMassy, FranceHQ recorded Nov 6, 20265,001-10,0001,786 contacts →

Exact match

“Orano DS fait partie du Groupe Orano, le fournisseur de référence du cycle du combustible nucléaire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMarseille, FranceHQ recorded Nov 6, 20261,001-5,0001,782 contacts →

Exact match

“Onet Technologies has 40 years of experience in the nuclear industry, with a strong expertise in engineering and services for reactor maintenance; dismantling, decommissioning and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 20261,001-5,0001,285 contacts →

Exact match

“EnergySolutions is an international nuclear services company headquartered in Salt Lake City, Utah, and Charlotte, North Carolina, with operations across the United States and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJupiter, FL, United StatesHQ recorded Nov 6, 2026501-1,0001,227 contacts →

Exact match

“Holtec International is a global turnkey supplier of equipment and services for the Nuclear, Solar, Geothermal, and Fossil Power Generation sectors of the energy and petrochemical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCergy-pontoise Cedex, FranceHQ recorded Nov 6, 20261,001-5,0001,137 contacts →

Exact match

“À propos de SPIE Nucléaire Filiale de SPIE France, SPIE Nucléaire est le partenaire de référence multi-technique dans la conception, la réalisation, les travaux de modification…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 2026201-500788 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCourbevoie, FranceHQ recorded Nov 6, 2026501-1,000544 contacts →

Exact match

“Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000378 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChorley, United KingdomHQ recorded Nov 6, 2026501-1,000307 contacts →

Exact match

“We support our clients by delivering safe, practical and efficient solutions to complex nuclear challenges, with a strong focus on disposability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026201-500252 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMontrouge, FranceHQ recorded Nov 6, 20261,001-5,000221 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchToronto, CanadaHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Laurentis Energy Partners, a wholly-owned commercial subsidiary of Ontario Power Generation that was formerly known as Canadian Nuclear Partners, is an innovator and leader in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHeras, SpainHQ recorded Nov 6, 2026201-500159 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKennewick, WA, United StatesHQ recorded Nov 6, 2026501-1,000137 contacts →

Exact match

“Hi Tech Solutions provides services to the nuclear power generation industry in four main areas: outage services (plant outages and reactor maintenance), nuclear fuel cycle…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPeachtree Corners, GA, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“NAC International Inc.(NAC) is an industry-leading provider of engineering, consulting, and nuclear fuel management solutions for nuclear facility operators, fuel cycle companies…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLyon, FranceHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“TUNZINI Maintenance Nucléaire intervient lors des opérations d’arrêts de tranche pour la réalisation des travaux mécaniques et de manutention de gros composants en bâtiments…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchStonington, CT, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLatrobe, PA, United StatesHQ recorded Nov 6, 2026201-50050 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKlaipeda, LithuaniaHQ recorded Nov 6, 2026201-50038 contacts →

Exact match

“Maintenance and decommissioning of the NPP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLjubljana, SloveniaHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“NUCLEAR SERVICES We plan and execute challenging construction, equipment installation and dismantling, maintenance, and modification projects in nuclear power plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“Nuvia Canada Nuvia Canada Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWinterthur, SwitzerlandHQ recorded Nov 6, 20261,001-5,00022 contacts →

Exact match

“IMI Nuclear is providing goods and services to the Nuclear Power Industry, including New Builds, Uprate, PLEX and the full range of Aftermarket Services including Spare Parts…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“TJC Maintenance engineering PTY Limited was founded in 2015 in South Africa´s Koeberg Nuclear Power Station by a selected group of experienced individuals that completed numerous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchn/a51-20016 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 86 nuclear power refueling services worldwide

See the full list, filter by size, metro and specialty, and access 11,238 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nuclear power refueling services worldwide at a glance

As of Nov 6, 2026
39.7%Verified-email coverage
329.6Average contacts per company
51-200Median size (employees)
3.5%Largest-city concentration · Courbevoie
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
12
51-200
19
201-500
14
501-1,000
7
1,001-5,000
11
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 nuclear power refueling services are linked below.
What qualifies
Company records worldwide whose business descriptions match “nuclear power refueling services” 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 11,238 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.

Nuclear power refueling services by location

1 lists · largest first

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

How many nuclear power refueling services are there worldwide?

RevenueBase identified 86 company matches for nuclear power refueling services 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?

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

Which country has the most nuclear power refueling services?

The United States leads with 28 companies. Every nuclear power refueling services list by country and city is linked on this page.

Which city has the most nuclear power refueling services?

Courbevoie leads with 3 company records, followed by Klaipeda (3) and Marseille (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 11,238 professional contacts with verified work emails tracked across these 86 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.