Company lists · Data refreshed November 2026
Top 25 Nuclear containment system testing companies worldwide
RevenueBase identified 161 company matches for nuclear containment system testing companies worldwide as of November 2026 and tracks 4,951 professional contacts across them, including 1,130 with verified work emails. The United States is the largest market and Spartanburg the largest hub.
This list covers company matches for nuclear containment system testing companies 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 containment system testing companies 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 containment system testing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 484 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 307 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 | |||||
| 3 | 268 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 252 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 | |||||
| 5 | 211 contacts → | ||||
Exact match “Studsvik offers a range of advanced technical services to the global nuclear power industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 187 contacts → | ||||
Exact match “Nuclear for naval propulsion and peacefull research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 120 contacts → | ||||
Exact match “At Atkins Nuclear Solutions US, we offer client solutions crafted by the best engineers and specialists in the industry, served with truly exceptional customer service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 82 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 78 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 62 contacts → | ||||
Exact match “Fauske & Associates (FAI) is a world leader in nuclear, industrial and chemical process safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 58 contacts → | ||||
Exact match “United Controls International was established as a division of Reliance Electric in 1971 and was later spun off as an independent company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 55 contacts → | ||||
Exact match “We are a specialist nuclear fabricator working with carbon steel, alloy steel and composite structures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 54 contacts → | ||||
Exact match “Advanced Technology Group (ATG) is a trusted partner in the design, engineering, and manufacturing of advanced containment systems for demanding industrial and energy applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 53 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 50 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 | |||||
| 16 | 46 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 38 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 37 contacts → | ||||
Exact match “At Paschal Solutions, we are more than engineers-we are problem solvers, innovators, and trusted partners in providing nuclear safety and specialized nuclear engineering technical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 37 contacts → | ||||
Exact match “Central Research Laboratories (CRL) is a global leader in the remote handling industry, leveraging decades of innovative industry experience to design and manufacture…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 35 contacts → | ||||
Exact match “TÜV NORD performs objective technical assessments for the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 31 contacts → | ||||
Exact match “CCNuclear is recognized as a specialized service provider in the nuclear industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 25 contacts → | ||||
Exact match “SIET started its activities back in 1983.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “We are a team of experts from different parts of the nuclear industry working together.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “Ranked among the top 10 global nuclear engineering firms, IDOM has been involved in the nuclear industry since the development of early nuclear generation projects since the late…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “NDE Technology is a full service Non-Destructive Testing Company.” Recorded in the RevenueBase company graph · Nov 6, 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 containment system testing companies”. 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 161 nuclear containment system testing companies worldwide
See the full list, filter by size, metro and specialty, and access 1,130 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Nuclear containment system testing companies worldwide at a glance
As of Nov 6, 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 containment system testing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “nuclear containment system testing companies” 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 1,130 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 containment system testing companies by location
1 lists · largest firstEvery Nuclear containment system testing companies 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 containment system testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nuclear containment system testing companies are there worldwide?
RevenueBase identified 161 company matches for nuclear containment system testing companies 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?
Tecnatom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most nuclear containment system testing companies?
The United States leads with 65 companies. Every nuclear containment system testing companies list by country and city is linked on this page.
Which city has the most nuclear containment system testing companies?
Spartanburg leads with 3 company records, followed by Groton (2) and Montreal (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 1,130 professional contacts with verified work emails tracked across these 161 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.
Ready to reach these companies? Verified emails and direct dials for all 161 nuclear containment system testing companies 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 containment system testing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 161 matching company records for nuclear containment system testing companies worldwide, with 4,951 tracked contacts and 1,130 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: November 6, 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 containment system testing companies 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 |  Tecnatomtecnatom.esHQ: San Sebastian De Los Reyes, SpainReported employees: 501-1,000 | San Sebastian De Los Reyes, Spain | 501-1,000 | Exact match | 484 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NSG Environmental LTDnsgltd.comHQ: Chorley, United KingdomReported employees: 501-1,000 | Chorley, United Kingdom | 501-1,000 | Exact match | 307 contacts → |
“We support our clients by delivering safe, practical and efficient solutions to complex nuclear challenges, with a strong focus on disposability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Canberra Industriescanberra.comHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 268 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Paragon Energy Solutionsparagones.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 252 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Studsvikstudsvik.comHQ: SwedenReported employees: 501-1,000 | Sweden | 501-1,000 | Exact match | 211 contacts → |
“Studsvik offers a range of advanced technical services to the global nuclear power industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Areva TAareva.comHQ: FranceReported employees: 5,001-10,000 | France | 5,001-10,000 | Exact match | 187 contacts → |
“Nuclear for naval propulsion and peacefull research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Atkins Nuclear Solutions USatkinsglobal.comHQ: Charlotte, TN, United StatesReported employees: 51-200 | Charlotte, TN, United States | 51-200 | Exact match | 120 contacts → |
“At Atkins Nuclear Solutions US, we offer client solutions crafted by the best engineers and specialists in the industry, served with truly exceptional customer service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Csti Groupecsti-groupe.comHQ: Peyrolles-en-provence, FranceReported employees: 51-200 | Peyrolles-en-provence, France | 51-200 | Exact match | 82 contacts → |
“Depuis 35 ans CSTI INDUSTRIE, est spécialiste des projets « clé en main » dans le domaine du nucléaire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NFT INCnftinc.comHQ: Golden, NM, United StatesReported employees: 51-200 | Golden, NM, United States | 51-200 | Exact match | 78 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Fauske & Associatesfauske.comHQ: Burr Ridge, IL, United StatesReported employees: 51-200 | Burr Ridge, IL, United States | 51-200 | Exact match | 62 contacts → |
“Fauske & Associates (FAI) is a world leader in nuclear, industrial and chemical process safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  United Controls Internationalunitedcontrols.comHQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 58 contacts → |
“United Controls International was established as a division of Reliance Electric in 1971 and was later spun off as an independent company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Niagara Energy Productsnepglobal.comHQ: Niagara Falls, ON, CanadaReported employees: 51-200 | Niagara Falls, ON, Canada | 51-200 | Exact match | 55 contacts → |
“We are a specialist nuclear fabricator working with carbon steel, alloy steel and composite structures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Advanced Technology Groupatgcontainment.comHQ: Westminster, CO, United StatesReported employees: 51-200 | Westminster, CO, United States | 51-200 | Exact match | 54 contacts → |
“Advanced Technology Group (ATG) is a trusted partner in the design, engineering, and manufacturing of advanced containment systems for demanding industrial and energy applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Transco Products INCtranscoproducts.comHQ: Streator, IL, United StatesReported employees: 11-50 | Streator, IL, United States | 11-50 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Master-Lee Energy Services Corporationmasterlee.comHQ: Latrobe, PA, United StatesReported employees: 201-500 | Latrobe, PA, United States | 201-500 | Exact match | 50 contacts → |
“Established in 1987, Master-Lee Energy Services was founded to provide the commercial Nuclear Power Industry with engineering, reactor services, decontamination, Reactor Coolant…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Knoxville, TN, United StatesReported employees: 51-200 | Knoxville, TN, United States | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | FGG Inspections INCfgginsp.com HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 38 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Paschal Solutions, INCpaschalsolutions.comHQ: Oak Ridge, TN, United StatesReported employees: 51-200 | Oak Ridge, TN, United States | 51-200 | Exact match | 37 contacts → |
“At Paschal Solutions, we are more than engineers-we are problem solvers, innovators, and trusted partners in providing nuclear safety and specialized nuclear engineering technical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Central Research Laboratories CRLcrlsolutions.comHQ: Red Wing, MN, United StatesReported employees: 51-200 | Red Wing, MN, United States | 51-200 | Exact match | 37 contacts → |
“Central Research Laboratories (CRL) is a global leader in the remote handling industry, leveraging decades of innovative industry experience to design and manufacture…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  TÜV Nord Scandinaviatuvnord.seHQ: Helsingborg, SwedenReported employees: 11-50 | Helsingborg, Sweden | 11-50 | Exact match | 35 contacts → |
“TÜV NORD performs objective technical assessments for the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ccnuclearccnuclear.caHQ: Beauharnois, QC, CanadaReported employees: 51-200 | Beauharnois, QC, Canada | 51-200 | Exact match | 31 contacts → |
“CCNuclear is recognized as a specialized service provider in the nuclear industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Siet S.P.Asiet.itHQ: Piacenza, ItalyReported employees: 11-50 | Piacenza, Italy | 11-50 | Exact match | 25 contacts → |
“SIET started its activities back in 1983.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vattenfall Nuclear Solutionsgroup.vattenfall.comHQ: Stockholm, SwedenReported employees: Not recorded | Stockholm, Sweden | Not recorded | Exact match | 23 contacts → |
“We are a team of experts from different parts of the nuclear industry working together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Idom Nuclear Servicesidom.comHQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 23 contacts → |
“Ranked among the top 10 global nuclear engineering firms, IDOM has been involved in the nuclear industry since the development of early nuclear generation projects since the late…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  NDE Technology, INCndetech.netHQ: Washington, PA, United StatesReported employees: 11-50 | Washington, PA, United States | 11-50 | Exact match | 23 contacts → |
“NDE Technology is a full service Non-Destructive Testing Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Nuclear containment system testing companies: dataset insights
November 6, 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
158 records in the displayed employee bands.
3 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 161 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: November 6, 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 containment system testing companies by location
1 lists · largest firstEvery Nuclear containment system testing companies 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 containment system testing companies?
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 containment system testing companies did RevenueBase find worldwide?
The saved snapshot records 161 matching company records, 4,951 tracked contacts and 1,130 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: November 6, 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 containment system testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/nuclear-containment-system-testing-companies.
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 containment system testing companies worldwide
RevenueBase records 161 matching company records for nuclear containment system testing companies worldwide, with 4,951 tracked contacts and 1,130 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: November 6, 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 containment system testing companies 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 | Tecnatomtecnatom.es HQ: San Sebastian De Los Reyes, SpainReported employees: 501-1,000 | San Sebastian De Los Reyes, Spain | 501-1,000 | Exact match | 484 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NSG Environmental LTDnsgltd.com HQ: Chorley, United KingdomReported employees: 501-1,000 | Chorley, United Kingdom | 501-1,000 | Exact match | 307 contacts → |
“We support our clients by delivering safe, practical and efficient solutions to complex nuclear challenges, with a strong focus on disposability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Canberra Industriescanberra.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 268 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Paragon Energy Solutionsparagones.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 252 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Studsvikstudsvik.com HQ: SwedenReported employees: 501-1,000 | Sweden | 501-1,000 | Exact match | 211 contacts → |
“Studsvik offers a range of advanced technical services to the global nuclear power industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Areva TAareva.com HQ: FranceReported employees: 5,001-10,000 | France | 5,001-10,000 | Exact match | 187 contacts → |
“Nuclear for naval propulsion and peacefull research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Atkins Nuclear Solutions USatkinsglobal.com HQ: Charlotte, TN, United StatesReported employees: 51-200 | Charlotte, TN, United States | 51-200 | Exact match | 120 contacts → |
“At Atkins Nuclear Solutions US, we offer client solutions crafted by the best engineers and specialists in the industry, served with truly exceptional customer service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Csti Groupecsti-groupe.com HQ: Peyrolles-en-provence, FranceReported employees: 51-200 | Peyrolles-en-provence, France | 51-200 | Exact match | 82 contacts → |
“Depuis 35 ans CSTI INDUSTRIE, est spécialiste des projets « clé en main » dans le domaine du nucléaire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NFT INCnftinc.com HQ: Golden, NM, United StatesReported employees: 51-200 | Golden, NM, United States | 51-200 | Exact match | 78 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fauske & Associatesfauske.com HQ: Burr Ridge, IL, United StatesReported employees: 51-200 | Burr Ridge, IL, United States | 51-200 | Exact match | 62 contacts → |
“Fauske & Associates (FAI) is a world leader in nuclear, industrial and chemical process safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | United Controls Internationalunitedcontrols.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 58 contacts → |
“United Controls International was established as a division of Reliance Electric in 1971 and was later spun off as an independent company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Niagara Energy Productsnepglobal.com HQ: Niagara Falls, ON, CanadaReported employees: 51-200 | Niagara Falls, ON, Canada | 51-200 | Exact match | 55 contacts → |
“We are a specialist nuclear fabricator working with carbon steel, alloy steel and composite structures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Advanced Technology Groupatgcontainment.com HQ: Westminster, CO, United StatesReported employees: 51-200 | Westminster, CO, United States | 51-200 | Exact match | 54 contacts → |
“Advanced Technology Group (ATG) is a trusted partner in the design, engineering, and manufacturing of advanced containment systems for demanding industrial and energy applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Transco Products INCtranscoproducts.com HQ: Streator, IL, United StatesReported employees: 11-50 | Streator, IL, United States | 11-50 | Exact match | 53 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Master-Lee Energy Services Corporationmasterlee.com HQ: Latrobe, PA, United StatesReported employees: 201-500 | Latrobe, PA, United States | 201-500 | Exact match | 50 contacts → |
“Established in 1987, Master-Lee Energy Services was founded to provide the commercial Nuclear Power Industry with engineering, reactor services, decontamination, Reactor Coolant…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Knoxville, TN, United StatesReported employees: 51-200 | Knoxville, TN, United States | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | FGG Inspections INCfgginsp.com HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 38 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Paschal Solutions, INCpaschalsolutions.com HQ: Oak Ridge, TN, United StatesReported employees: 51-200 | Oak Ridge, TN, United States | 51-200 | Exact match | 37 contacts → |
“At Paschal Solutions, we are more than engineers-we are problem solvers, innovators, and trusted partners in providing nuclear safety and specialized nuclear engineering technical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Central Research Laboratories CRLcrlsolutions.com HQ: Red Wing, MN, United StatesReported employees: 51-200 | Red Wing, MN, United States | 51-200 | Exact match | 37 contacts → |
“Central Research Laboratories (CRL) is a global leader in the remote handling industry, leveraging decades of innovative industry experience to design and manufacture…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TÜV Nord Scandinaviatuvnord.se HQ: Helsingborg, SwedenReported employees: 11-50 | Helsingborg, Sweden | 11-50 | Exact match | 35 contacts → |
“TÜV NORD performs objective technical assessments for the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ccnuclearccnuclear.ca HQ: Beauharnois, QC, CanadaReported employees: 51-200 | Beauharnois, QC, Canada | 51-200 | Exact match | 31 contacts → |
“CCNuclear is recognized as a specialized service provider in the nuclear industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Siet S.P.Asiet.it HQ: Piacenza, ItalyReported employees: 11-50 | Piacenza, Italy | 11-50 | Exact match | 25 contacts → |
“SIET started its activities back in 1983.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vattenfall Nuclear Solutionsgroup.vattenfall.com HQ: Stockholm, SwedenReported employees: Not recorded | Stockholm, Sweden | Not recorded | Exact match | 23 contacts → |
“We are a team of experts from different parts of the nuclear industry working together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Idom Nuclear Servicesidom.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 23 contacts → |
“Ranked among the top 10 global nuclear engineering firms, IDOM has been involved in the nuclear industry since the development of early nuclear generation projects since the late…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NDE Technology, INCndetech.net HQ: Washington, PA, United StatesReported employees: 11-50 | Washington, PA, United States | 11-50 | Exact match | 23 contacts → |
“NDE Technology is a full service Non-Destructive Testing Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Nuclear containment system testing companies: dataset insights
November 6, 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
158 records in the displayed employee bands.
3 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 161 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: November 6, 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 containment system testing companies by location
1 lists · largest firstEvery Nuclear containment system testing companies 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 containment system testing companies?
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 containment system testing companies did RevenueBase find worldwide?
The saved snapshot records 161 matching company records, 4,951 tracked contacts and 1,130 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: November 6, 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 containment system testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/nuclear-containment-system-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗