Company lists · Data refreshed September 2026
Top 25 Nuclear inspections and testing services based in the United States
RevenueBase identified 520 company matches for nuclear inspections and testing services associated with the United States as of September 2026 and tracks 28,249 professional contacts across them, including 10,587 with verified work emails. Houston is the largest hub.
This list covers company matches for nuclear inspections and testing services associated with the United States, 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.
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 inspections and testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,316 contacts → | ||||
Exact match “A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 3,447 contacts → | ||||
Exact match “The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 1,254 contacts → | ||||
Exact match “EnergySolutions is an international nuclear services company headquartered in Salt Lake City, Utah, and Charlotte, North Carolina, with operations across the United States and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 890 contacts → | ||||
Exact match “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 712 contacts → | ||||
Exact match “TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 381 contacts → | ||||
Exact match “Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 340 contacts → | ||||
Exact match “NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 245 contacts → | ||||
Exact match “Founded in 1977 Sonic Systems International (SSI) is a full-service quality-consulting firm serving the nuclear power generation utility industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 241 contacts → | ||||
Exact match “Market Access.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 226 contacts → | ||||
Exact match “The TechCorr name is synonymous with safe, quality inspection services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 213 contacts → | ||||
Exact match “Pro-Surve Technical Services is an advanced non-destructive testing and inspection company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 178 contacts → | ||||
Exact match “Twining has continued to expand and evolve since its inception more than a century ago.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 170 contacts → | ||||
Exact match “XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 151 contacts → | ||||
Exact match “About Us Cutting-edge technologies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 150 contacts → | ||||
Exact match “Smith-Emery has been providing inspection and materials testing services for public agencies and private companies for the past 113 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 149 contacts → | ||||
Exact match “QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 146 contacts → | ||||
Exact match “ZETEC is a global leader in nondestructive testing (NDT) solutions for the critical inspection needs of industries the world counts on, including - Power Generation - Oil and Gas…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 143 contacts → | ||||
Exact match “JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 140 contacts → | ||||
Exact match “CyberOptics was acquired by Nordson Corporation in November 2022.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 130 contacts → | ||||
Exact match “Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 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 | |||||
| 23 | 125 contacts → | ||||
Exact match “CAN USA provides NDT inspection, on-line maintenance and repair while maintaining an unsurpassed safety record.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 124 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 118 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 · 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 inspections and testing services”. 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 520 nuclear inspections and testing services based in the United States
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Nuclear inspections and testing services based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 520 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “nuclear inspections and testing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 10,587 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.
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 inspections and testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nuclear inspections and testing services are there based in the United States?
RevenueBase identified 520 company matches for nuclear inspections and testing services associated with the United States 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?
UL Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most nuclear inspections and testing services?
Houston leads with 43 company records, followed by Pasadena (9) and Broussard (6).
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 10,587 professional contacts with verified work emails tracked across these 520 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 520 nuclear inspections and testing services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Nuclear inspections and testing services by geography
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- Nuclear inspections and testing services based in Canada
- Nuclear inspections and testing services based in France
- Nuclear inspections and testing services based in Germany
- Nuclear inspections and testing services based in India
- Nuclear inspections and testing services based in Italy
- Nuclear inspections and testing services based in the Netherlands
- Nuclear inspections and testing services based in Saudi Arabia
- Nuclear inspections and testing services based in South Africa
- Nuclear inspections and testing services based in Spain
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Nuclear inspections and testing services based in Argentina
- Nuclear inspections and testing services based in Australia
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- Nuclear inspections and testing services based in Canada
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- Nuclear inspections and testing services based in Germany
Company intelligence · public preview
Top 25 nuclear inspections and testing services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 520 matching company records for nuclear inspections and testing services based in the United States, with 28,249 tracked contacts and 10,587 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 inspections and testing services based in the United States
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 |  UL Solutionsul.comHQ: Northbrook, IL, United StatesReported employees: 10001+ | Northbrook, IL, United States | 10001+ | Exact match | 12,316 contacts → |
“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Amspec Groupamspecgroup.comHQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,447 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Energysolutionsenergysolutions.comHQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 1,254 contacts → |
“EnergySolutions is an international nuclear services company headquartered in Salt Lake City, Utah, and Charlotte, North Carolina, with operations across the United States and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Applied Technical Services, LLCatslab.comHQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 890 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  TÜV Rheinland North Americatuv.comHQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 712 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  FST Technical Servicesfsttechnical.comHQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 381 contacts → |
“Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Gray, LA, United StatesReported employees: 201-500 | Gray, LA, United States | 201-500 | Exact match | 340 contacts → |
“NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sonic Systemssonicsystems.comHQ: Wilmington, NC, United StatesReported employees: 501-1,000 | Wilmington, NC, United States | 501-1,000 | Exact match | 245 contacts → |
“Founded in 1977 Sonic Systems International (SSI) is a full-service quality-consulting firm serving the nuclear power generation utility industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Intertek Building & Constructionintertek.comHQ: Arlington Heights, IL, United StatesReported employees: 10001+ | Arlington Heights, IL, United States | 10001+ | Exact match | 241 contacts → |
“Market Access.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 226 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pro-Surve Technical Servicespro-surve.com HQ: League City, TX, United StatesReported employees: 201-500 | League City, TX, United States | 201-500 | Exact match | 213 contacts → |
“Pro-Surve Technical Services is an advanced non-destructive testing and inspection company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Twining, INCtwininginc.comHQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 178 contacts → |
“Twining has continued to expand and evolve since its inception more than a century ago.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | XCELxcelgrp.com HQ: Longview, TX, United StatesReported employees: 201-500 | Longview, TX, United States | 201-500 | Exact match | 170 contacts → |
“XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Verispexverispex.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 151 contacts → |
“About Us Cutting-edge technologies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Smith-Emerysmithemery.comHQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 150 contacts → |
“Smith-Emery has been providing inspection and materials testing services for public agencies and private companies for the past 113 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Qualspecqualspecgroup.comHQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 149 contacts → |
“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ZETECzetec.com HQ: Snoqualmie, WA, United StatesReported employees: 51-200 | Snoqualmie, WA, United States | 51-200 | Exact match | 146 contacts → |
“ZETEC is a global leader in nondestructive testing (NDT) solutions for the critical inspection needs of industries the world counts on, including - Power Generation - Oil and Gas…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | JAN X-Ray Services, INCjanxndt.com HQ: Parma, MI, United StatesReported employees: 201-500 | Parma, MI, United States | 201-500 | Exact match | 143 contacts → |
“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cyberopticscyberoptics.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 140 contacts → |
“CyberOptics was acquired by Nordson Corporation in November 2022.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CGI Coastal Gulf & Internationalcoastalgulf.comHQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 130 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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. | |||||
| 23 | Can-Usacan-usa.net HQ: Harvey, LA, United StatesReported employees: 201-500 | Harvey, LA, United States | 201-500 | Exact match | 125 contacts → |
“CAN USA provides NDT inspection, on-line maintenance and repair while maintaining an unsurpassed safety record.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  QSA Global, INCqsa-global.comHQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 124 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Atkins Nuclear Solutions USatkinsglobal.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 118 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 520 company matches
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Nuclear inspections and testing services: 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
518 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 520 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 ↗
Questions about this company list
What does Exact match mean for nuclear inspections and testing services?
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 inspections and testing services did RevenueBase find based in the United States?
The saved snapshot records 520 matching company records, 28,249 tracked contacts and 10,587 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.
Related lists
Nuclear inspections and testing services by geography
- Nuclear inspections and testing services based in Argentina
- Nuclear inspections and testing services based in Australia
- Nuclear inspections and testing services based in Brazil
- Nuclear inspections and testing services based in Canada
- Nuclear inspections and testing services based in France
- Nuclear inspections and testing services based in Germany
- Nuclear inspections and testing services based in India
- Nuclear inspections and testing services based in Italy
- Nuclear inspections and testing services based in the Netherlands
- Nuclear inspections and testing services based in Saudi Arabia
- Nuclear inspections and testing services based in South Africa
- Nuclear inspections and testing services based in Spain
Cite this list
RevenueBase Data Team. Top 25 nuclear inspections and testing services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/nuclear-inspections-and-testing-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Nuclear inspections and testing services based in Argentina
- Nuclear inspections and testing services based in Australia
- Nuclear inspections and testing services based in Brazil
- Nuclear inspections and testing services based in Canada
- Nuclear inspections and testing services based in France
- Nuclear inspections and testing services based in Germany
Company intelligence · public preview
Top 25 nuclear inspections and testing services based in the United States
RevenueBase records 520 matching company records for nuclear inspections and testing services based in the United States, with 28,249 tracked contacts and 10,587 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 inspections and testing services based in the United States
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 | UL Solutionsul.com HQ: Northbrook, IL, United StatesReported employees: 10001+ | Northbrook, IL, United States | 10001+ | Exact match | 12,316 contacts → |
“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Amspec Groupamspecgroup.com HQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,447 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Energysolutionsenergysolutions.com HQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 1,254 contacts → |
“EnergySolutions is an international nuclear services company headquartered in Salt Lake City, Utah, and Charlotte, North Carolina, with operations across the United States and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Applied Technical Services, LLCatslab.com HQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 890 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TÜV Rheinland North Americatuv.com HQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 712 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | FST Technical Servicesfsttechnical.com HQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 381 contacts → |
“Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Gray, LA, United StatesReported employees: 201-500 | Gray, LA, United States | 201-500 | Exact match | 340 contacts → |
“NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sonic Systemssonicsystems.com HQ: Wilmington, NC, United StatesReported employees: 501-1,000 | Wilmington, NC, United States | 501-1,000 | Exact match | 245 contacts → |
“Founded in 1977 Sonic Systems International (SSI) is a full-service quality-consulting firm serving the nuclear power generation utility industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intertek Building & Constructionintertek.com HQ: Arlington Heights, IL, United StatesReported employees: 10001+ | Arlington Heights, IL, United States | 10001+ | Exact match | 241 contacts → |
“Market Access.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 226 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pro-Surve Technical Servicespro-surve.com HQ: League City, TX, United StatesReported employees: 201-500 | League City, TX, United States | 201-500 | Exact match | 213 contacts → |
“Pro-Surve Technical Services is an advanced non-destructive testing and inspection company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Twining, INCtwininginc.com HQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 178 contacts → |
“Twining has continued to expand and evolve since its inception more than a century ago.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | XCELxcelgrp.com HQ: Longview, TX, United StatesReported employees: 201-500 | Longview, TX, United States | 201-500 | Exact match | 170 contacts → |
“XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Verispexverispex.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 151 contacts → |
“About Us Cutting-edge technologies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Smith-Emerysmithemery.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 150 contacts → |
“Smith-Emery has been providing inspection and materials testing services for public agencies and private companies for the past 113 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Qualspecqualspecgroup.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 149 contacts → |
“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ZETECzetec.com HQ: Snoqualmie, WA, United StatesReported employees: 51-200 | Snoqualmie, WA, United States | 51-200 | Exact match | 146 contacts → |
“ZETEC is a global leader in nondestructive testing (NDT) solutions for the critical inspection needs of industries the world counts on, including - Power Generation - Oil and Gas…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | JAN X-Ray Services, INCjanxndt.com HQ: Parma, MI, United StatesReported employees: 201-500 | Parma, MI, United States | 201-500 | Exact match | 143 contacts → |
“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyberopticscyberoptics.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 140 contacts → |
“CyberOptics was acquired by Nordson Corporation in November 2022.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CGI Coastal Gulf & Internationalcoastalgulf.com HQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 130 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | Can-Usacan-usa.net HQ: Harvey, LA, United StatesReported employees: 201-500 | Harvey, LA, United States | 201-500 | Exact match | 125 contacts → |
“CAN USA provides NDT inspection, on-line maintenance and repair while maintaining an unsurpassed safety record.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | QSA Global, INCqsa-global.com HQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 124 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Atkins Nuclear Solutions USatkinsglobal.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 118 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Nuclear inspections and testing services: 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
518 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 520 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 ↗
Questions about this company list
What does Exact match mean for nuclear inspections and testing services?
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 inspections and testing services did RevenueBase find based in the United States?
The saved snapshot records 520 matching company records, 28,249 tracked contacts and 10,587 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 inspections and testing services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/nuclear-inspections-and-testing-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Nuclear inspections and testing services based in Argentina
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