Company lists · Data refreshed September 2026
Top 25 Nuclear power plant suppliers worldwide
RevenueBase identified 266 company matches for nuclear power plant suppliers worldwide as of September 2026 and tracks 49,543 professional contacts across them, including 11,951 with verified work emails. The United States is the largest market and Tehran the largest hub.
This list covers company matches for nuclear power plant 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 power plant 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.
The 25 largest nuclear power plant suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 10,898 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 | |||||
| 3 | 2,554 contacts → | ||||
Exact match “Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 1,780 contacts → | ||||
Exact match “Edvance, a joint subsidiary of EDF and Framatome, is responsible for the design and implementation (studies, procurement assistance, assembly and commissioning) of nuclear islands…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 1,266 contacts → | ||||
Exact match “Nucleoeléctrica Argentina S.A.(NASA) es una empresa generadora de energía eléctrica, operadora de las centrales nucleares argentinas y encargada de la gestión de los proyectos…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 984 contacts → | ||||
Exact match “MAPNA Turbine Company (TUGA) Located in Fardis (Karaj), as one of the main subsidiaries of MAPNA Group, was established in for manufacturing and supplying turbines and related…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 579 contacts → | ||||
Exact match “KEPCO E&C was founded in 1975 with the objective of obtaining core technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 487 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 | |||||
| 9 | 485 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 449 contacts → | ||||
Exact match “Since July 27, 1998 "Nuclearelectrica"- SA is registered with the Register of Commerce, Chamber of Commerce and Industry, as a state owned company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 404 contacts → | ||||
Exact match “GSE Solutions supports nuclear power and clean-energy fleets worldwide through integrated engineering services and software that strengthen operational performance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 287 contacts → | ||||
Exact match “SOMOS CONUAR.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 266 contacts → | ||||
Exact match “Kendimize ve yeteneklerimize inanarak ve aklımızın sınırlarını zorlayarak her türlü başarıya ulaşabiliriz” Albert Einstein Bir ilki başarmak, öncü olmak işte bu tarifi mümkün…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 254 contacts → | ||||
Exact match “Fabricación de componentes para la industria nuclear.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 234 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 | |||||
| 16 | 231 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 212 contacts → | ||||
Exact match “Wir sind ein moderner und regional verwurzelter Arbeitgeber in einem spannenden und anspruchsvollen Umfeld.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 211 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 | |||||
| 19 | 208 contacts → | ||||
Exact match “Toshiba America Energy Systems Corporation (TAES), headquartered in Milwaukee, Wisconsin, with major manufacturing and services, provides turbine/generator equipment and services…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 198 contacts → | ||||
Exact match “ŠKODA JS a.s.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 169 contacts → | ||||
Exact match “Founded in 1887, Pietro Rosa TBM is a privately owned company, specializing in the engineering and manufacturing of business sensitive and mission-critical components for gas…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 138 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 | |||||
| 23 | 134 contacts → | ||||
Exact match “Founded in 1989, Asturfeito now has 300 employees, 4 production centers, and generates over 75M€ of turnover.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 131 contacts → | ||||
Exact match “NWI Precision is a specialty manufacturer of turbine engine shafts, helicopter masts, turbine engine thrust links, nuclear pressure vessel containment systems and other industrial…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 129 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 · Sep 20, 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 “nuclear power plant suppliers”. 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 266 nuclear power plant suppliers worldwide
See the full list, filter by size, metro and specialty, and access 11,951 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Nuclear power plant suppliers worldwide at a glance
As of Sep 20, 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 nuclear power plant suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “nuclear power plant 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 11,951 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 power plant suppliers by location
1 lists · largest firstEvery Nuclear power plant 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 power plant suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nuclear power plant suppliers are there worldwide?
RevenueBase identified 266 company matches for nuclear power plant 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 power plant suppliers?
The United States leads with 38 companies. Every nuclear power plant suppliers list by country and city is linked on this page.
Which city has the most nuclear power plant suppliers?
Tehran leads with 4 company records, followed by Danbury (3) and Hyderabad (3).
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 11,951 professional contacts with verified work emails tracked across these 266 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.
Ready to reach these companies? Verified emails and direct dials for all 266 nuclear power plant suppliers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 nuclear power plant suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 266 matching company records for nuclear power plant suppliers worldwide, with 49,543 tracked contacts and 11,951 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: September 20, 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 nuclear power plant suppliers 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 |  Framatomeframatome.comHQ: Courbevoie, FranceReported employees: 10001+ | Courbevoie, France | 10001+ | Exact match | 12,439 contacts → |
“Framatome is an international leader in nuclear energy recognized for its innovative, digital and value added solutions for the global nuclear fleet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Westinghouse Electric Companywestinghousenuclear.comHQ: Cranberry Township, PA, United StatesReported employees: 5,001-10,000 | Cranberry Township, PA, United States | 5,001-10,000 | Exact match | 10,898 contacts → |
“Westinghouse Electric Company is the world's leading supplier of safe and innovative nuclear technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ansaldo Energiaansaldoenergia.comHQ: Genova, ItalyReported employees: 1,001-5,000 | Genova, Italy | 1,001-5,000 | Exact match | 2,554 contacts → |
“Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Edvanceedvance.frHQ: Montrouge, FranceReported employees: 1,001-5,000 | Montrouge, France | 1,001-5,000 | Exact match | 1,780 contacts → |
“Edvance, a joint subsidiary of EDF and Framatome, is responsible for the design and implementation (studies, procurement assistance, assembly and commissioning) of nuclear islands…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nucleoeléctrica Argentina S.Anucleoelectrica.com.ar HQ: Villa Martelli, ArgentinaReported employees: 5,001-10,000 | Villa Martelli, Argentina | 5,001-10,000 | Exact match | 1,266 contacts → |
“Nucleoeléctrica Argentina S.A.(NASA) es una empresa generadora de energía eléctrica, operadora de las centrales nucleares argentinas y encargada de la gestión de los proyectos…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mapna Turbine Engineering And Manufacturing Co. Tugamapnaturbine.com HQ: Karaj, IranReported employees: 1,001-5,000 | Karaj, Iran | 1,001-5,000 | Exact match | 984 contacts → |
“MAPNA Turbine Company (TUGA) Located in Fardis (Karaj), as one of the main subsidiaries of MAPNA Group, was established in for manufacturing and supplying turbines and related…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kepco E&ckepco-enc.comHQ: Port Elgin, CanadaReported employees: 1,001-5,000 | Port Elgin, Canada | 1,001-5,000 | Exact match | 579 contacts → |
“KEPCO E&C was founded in 1975 with the objective of obtaining core technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tecnatomtecnatom.esHQ: San Sebastian De Los Reyes, SpainReported employees: 501-1,000 | San Sebastian De Los Reyes, Spain | 501-1,000 | Exact match | 487 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Dalkia ENdalkia.frHQ: Courbevoie, FranceReported employees: 501-1,000 | Courbevoie, France | 501-1,000 | Exact match | 485 contacts → |
“Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Societatea Nationala Nuclearelectrica SAnuclearelectrica.ro HQ: Sector 1, RomaniaReported employees: 1,001-5,000 | Sector 1, Romania | 1,001-5,000 | Exact match | 449 contacts → |
“Since July 27, 1998 "Nuclearelectrica"- SA is registered with the Register of Commerce, Chamber of Commerce and Industry, as a state owned company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  GSE Solutionsgses.comHQ: Columbia, MD, United StatesReported employees: 201-500 | Columbia, MD, United States | 201-500 | Exact match | 404 contacts → |
“GSE Solutions supports nuclear power and clean-energy fleets worldwide through integrated engineering services and software that strengthen operational performance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Conuarconuar.ar HQ: Ezeiza - Buenos Aires, ArgentinaReported employees: 201-500 | Ezeiza - Buenos Aires, Argentina | 201-500 | Exact match | 287 contacts → |
“SOMOS CONUAR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  IC İçtaş Nükleer VE Endüstriyel Tesisler Yapım A.Şictasnukleer.com.trHQ: Mersin, TürkiyeReported employees: 5,001-10,000 | Mersin, Türkiye | 5,001-10,000 | Exact match | 266 contacts → |
“Kendimize ve yeteneklerimize inanarak ve aklımızın sınırlarını zorlayarak her türlü başarıya ulaşabiliriz” Albert Einstein Bir ilki başarmak, öncü olmak işte bu tarifi mümkün…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Maliaño, SpainReported employees: 201-500 | Maliaño, Spain | 201-500 | Exact match | 254 contacts → |
“Fabricación de componentes para la industria nuclear.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Paragon Energy Solutionsparagones.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 234 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Babcock & Wilcox Canada, LTDbabcock.comHQ: Cambridge, ON, CanadaReported employees: 51-200 | Cambridge, ON, Canada | 51-200 | Exact match | 231 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Leibstadt, SwitzerlandReported employees: 201-500 | Leibstadt, Switzerland | 201-500 | Exact match | 212 contacts → |
“Wir sind ein moderner und regional verwurzelter Arbeitgeber in einem spannenden und anspruchsvollen Umfeld.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bilfinger Nuclearbilfinger.comHQ: Montrouge, FranceReported employees: 1,001-5,000 | Montrouge, France | 1,001-5,000 | Exact match | 211 contacts → |
“Partner for the nuclear industry Bilfinger has successfully supported and advised customers from the nuclear industry for decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Toshiba America Energy Systemstoshiba.comHQ: West Allis, WI, United StatesReported employees: 201-500 | West Allis, WI, United States | 201-500 | Exact match | 208 contacts → |
“Toshiba America Energy Systems Corporation (TAES), headquartered in Milwaukee, Wisconsin, with major manufacturing and services, provides turbine/generator equipment and services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Škoda JSskoda-js.cz HQ: Bolevec, Czech RepublicReported employees: 1,001-5,000 | Bolevec, Czech Republic | 1,001-5,000 | Exact match | 198 contacts → |
“ŠKODA JS a.s.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Pietro Rosa TBMpietrorosatbm.itHQ: Maniago, ItalyReported employees: 201-500 | Maniago, Italy | 201-500 | Exact match | 169 contacts → |
“Founded in 1887, Pietro Rosa TBM is a privately owned company, specializing in the engineering and manufacturing of business sensitive and mission-critical components for gas…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Enwesa Operaciones S.A., S.M.Eenwesa.com HQ: Heras, SpainReported employees: 201-500 | Heras, Spain | 201-500 | Exact match | 138 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Asturfeitoasturfeito.comHQ: Avilés, SpainReported employees: 201-500 | Avilés, Spain | 201-500 | Exact match | 134 contacts → |
“Founded in 1989, Asturfeito now has 300 employees, 4 production centers, and generates over 75M€ of turnover.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NWI Precisionnwiprecision.com HQ: North York, ON, CanadaReported employees: 201-500 | North York, ON, Canada | 201-500 | Exact match | 131 contacts → |
“NWI Precision is a specialty manufacturer of turbine engine shafts, helicopter masts, turbine engine thrust links, nuclear pressure vessel containment systems and other industrial…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  HI Tech Solutionshtsnuclear.comHQ: Kennewick, WA, United StatesReported employees: 501-1,000 | Kennewick, WA, United States | 501-1,000 | Exact match | 129 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 266 company matches
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Nuclear power plant suppliers: dataset insights
September 20, 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
265 records in the displayed employee bands.
1 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 266 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: September 20, 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 ↗
Nuclear power plant suppliers by location
1 lists · largest firstEvery Nuclear power plant suppliers 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 nuclear power plant suppliers?
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 nuclear power plant suppliers did RevenueBase find worldwide?
The saved snapshot records 266 matching company records, 49,543 tracked contacts and 11,951 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: September 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 nuclear power plant suppliers worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/nuclear-power-plant-suppliers.
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 nuclear power plant suppliers worldwide
RevenueBase records 266 matching company records for nuclear power plant suppliers worldwide, with 49,543 tracked contacts and 11,951 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: September 20, 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 nuclear power plant suppliers 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 | Framatomeframatome.com HQ: Courbevoie, FranceReported employees: 10001+ | Courbevoie, France | 10001+ | Exact match | 12,439 contacts → |
“Framatome is an international leader in nuclear energy recognized for its innovative, digital and value added solutions for the global nuclear fleet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Westinghouse Electric Companywestinghousenuclear.com HQ: Cranberry Township, PA, United StatesReported employees: 5,001-10,000 | Cranberry Township, PA, United States | 5,001-10,000 | Exact match | 10,898 contacts → |
“Westinghouse Electric Company is the world's leading supplier of safe and innovative nuclear technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ansaldo Energiaansaldoenergia.com HQ: Genova, ItalyReported employees: 1,001-5,000 | Genova, Italy | 1,001-5,000 | Exact match | 2,554 contacts → |
“Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Edvanceedvance.fr HQ: Montrouge, FranceReported employees: 1,001-5,000 | Montrouge, France | 1,001-5,000 | Exact match | 1,780 contacts → |
“Edvance, a joint subsidiary of EDF and Framatome, is responsible for the design and implementation (studies, procurement assistance, assembly and commissioning) of nuclear islands…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nucleoeléctrica Argentina S.Anucleoelectrica.com.ar HQ: Villa Martelli, ArgentinaReported employees: 5,001-10,000 | Villa Martelli, Argentina | 5,001-10,000 | Exact match | 1,266 contacts → |
“Nucleoeléctrica Argentina S.A.(NASA) es una empresa generadora de energía eléctrica, operadora de las centrales nucleares argentinas y encargada de la gestión de los proyectos…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mapna Turbine Engineering And Manufacturing Co. Tugamapnaturbine.com HQ: Karaj, IranReported employees: 1,001-5,000 | Karaj, Iran | 1,001-5,000 | Exact match | 984 contacts → |
“MAPNA Turbine Company (TUGA) Located in Fardis (Karaj), as one of the main subsidiaries of MAPNA Group, was established in for manufacturing and supplying turbines and related…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kepco E&ckepco-enc.com HQ: Port Elgin, CanadaReported employees: 1,001-5,000 | Port Elgin, Canada | 1,001-5,000 | Exact match | 579 contacts → |
“KEPCO E&C was founded in 1975 with the objective of obtaining core technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tecnatomtecnatom.es HQ: San Sebastian De Los Reyes, SpainReported employees: 501-1,000 | San Sebastian De Los Reyes, Spain | 501-1,000 | Exact match | 487 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dalkia ENdalkia.fr HQ: Courbevoie, FranceReported employees: 501-1,000 | Courbevoie, France | 501-1,000 | Exact match | 485 contacts → |
“Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Societatea Nationala Nuclearelectrica SAnuclearelectrica.ro HQ: Sector 1, RomaniaReported employees: 1,001-5,000 | Sector 1, Romania | 1,001-5,000 | Exact match | 449 contacts → |
“Since July 27, 1998 "Nuclearelectrica"- SA is registered with the Register of Commerce, Chamber of Commerce and Industry, as a state owned company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GSE Solutionsgses.com HQ: Columbia, MD, United StatesReported employees: 201-500 | Columbia, MD, United States | 201-500 | Exact match | 404 contacts → |
“GSE Solutions supports nuclear power and clean-energy fleets worldwide through integrated engineering services and software that strengthen operational performance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Conuarconuar.ar HQ: Ezeiza - Buenos Aires, ArgentinaReported employees: 201-500 | Ezeiza - Buenos Aires, Argentina | 201-500 | Exact match | 287 contacts → |
“SOMOS CONUAR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | IC İçtaş Nükleer VE Endüstriyel Tesisler Yapım A.Şictasnukleer.com.tr HQ: Mersin, TürkiyeReported employees: 5,001-10,000 | Mersin, Türkiye | 5,001-10,000 | Exact match | 266 contacts → |
“Kendimize ve yeteneklerimize inanarak ve aklımızın sınırlarını zorlayarak her türlü başarıya ulaşabiliriz” Albert Einstein Bir ilki başarmak, öncü olmak işte bu tarifi mümkün…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Maliaño, SpainReported employees: 201-500 | Maliaño, Spain | 201-500 | Exact match | 254 contacts → |
“Fabricación de componentes para la industria nuclear.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Paragon Energy Solutionsparagones.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 234 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Babcock & Wilcox Canada, LTDbabcock.com HQ: Cambridge, ON, CanadaReported employees: 51-200 | Cambridge, ON, Canada | 51-200 | Exact match | 231 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Leibstadt, SwitzerlandReported employees: 201-500 | Leibstadt, Switzerland | 201-500 | Exact match | 212 contacts → |
“Wir sind ein moderner und regional verwurzelter Arbeitgeber in einem spannenden und anspruchsvollen Umfeld.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bilfinger Nuclearbilfinger.com HQ: Montrouge, FranceReported employees: 1,001-5,000 | Montrouge, France | 1,001-5,000 | Exact match | 211 contacts → |
“Partner for the nuclear industry Bilfinger has successfully supported and advised customers from the nuclear industry for decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Toshiba America Energy Systemstoshiba.com HQ: West Allis, WI, United StatesReported employees: 201-500 | West Allis, WI, United States | 201-500 | Exact match | 208 contacts → |
“Toshiba America Energy Systems Corporation (TAES), headquartered in Milwaukee, Wisconsin, with major manufacturing and services, provides turbine/generator equipment and services…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Škoda JSskoda-js.cz HQ: Bolevec, Czech RepublicReported employees: 1,001-5,000 | Bolevec, Czech Republic | 1,001-5,000 | Exact match | 198 contacts → |
“ŠKODA JS a.s.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pietro Rosa TBMpietrorosatbm.it HQ: Maniago, ItalyReported employees: 201-500 | Maniago, Italy | 201-500 | Exact match | 169 contacts → |
“Founded in 1887, Pietro Rosa TBM is a privately owned company, specializing in the engineering and manufacturing of business sensitive and mission-critical components for gas…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Enwesa Operaciones S.A., S.M.Eenwesa.com HQ: Heras, SpainReported employees: 201-500 | Heras, Spain | 201-500 | Exact match | 138 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Asturfeitoasturfeito.com HQ: Avilés, SpainReported employees: 201-500 | Avilés, Spain | 201-500 | Exact match | 134 contacts → |
“Founded in 1989, Asturfeito now has 300 employees, 4 production centers, and generates over 75M€ of turnover.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NWI Precisionnwiprecision.com HQ: North York, ON, CanadaReported employees: 201-500 | North York, ON, Canada | 201-500 | Exact match | 131 contacts → |
“NWI Precision is a specialty manufacturer of turbine engine shafts, helicopter masts, turbine engine thrust links, nuclear pressure vessel containment systems and other industrial…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HI Tech Solutionshtsnuclear.com HQ: Kennewick, WA, United StatesReported employees: 501-1,000 | Kennewick, WA, United States | 501-1,000 | Exact match | 129 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Nuclear power plant suppliers: dataset insights
September 20, 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
265 records in the displayed employee bands.
1 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 266 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: September 20, 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 ↗
Nuclear power plant suppliers by location
1 lists · largest firstEvery Nuclear power plant suppliers 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 nuclear power plant suppliers?
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 nuclear power plant suppliers did RevenueBase find worldwide?
The saved snapshot records 266 matching company records, 49,543 tracked contacts and 11,951 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: September 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 nuclear power plant suppliers worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/nuclear-power-plant-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗