Company lists · Data refreshed November 2026
Top 25 Nuclear security service providers based in the United States
RevenueBase identified 73 company matches for nuclear security service providers associated with the United States as of November 2026 and tracks 7,200 professional contacts across them, including 459 with verified work emails. Knoxville is the largest hub.
This list covers company matches for nuclear security service providers 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 November 5, 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 security service providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,186 contacts → | ||||
Exact match “Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 246 contacts → | ||||
Exact match “Boston Government Services, LLC (BGS) is an engineering, technology, and security firm providing mission-focused solutions for the clean energy, nuclear, and federal programs…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 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 5, 2026 · View company records in RevenueBase | |||||
| 4 | 65 contacts → | ||||
Exact match “Golden Security Services stands at the forefront of safeguarding radioactive sources throughout their entire lifecycle, blending personalized security solutions with strict…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 64 contacts → | ||||
Exact match “HSI is a vanguard in providing a full range of security solutions with specializations in the leveraging of innovative strategies and technologies for maximization of safety to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 60 contacts → | ||||
Exact match “Visit our Careers page for a listing of the extraordinary opportunities with GET: https://getinc.org/careers/ Global Engineering & Technology (GET) executes a wide scope of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 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 5, 2026 · View company records in RevenueBase | |||||
| 8 | 49 contacts → | ||||
Exact match “EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 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 5, 2026 · View company records in RevenueBase | |||||
| 10 | 41 contacts → | ||||
Exact match “Centerra-Savannah River Site (SRS) is an independent entity of Centerra Group LLC a Constellis company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 39 contacts → | ||||
Exact match “Sigma Science is now part of the RSI Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 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 5, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 26 contacts → | ||||
Exact match “Safeguards Technology is dedicated to excellence in the area of security consulting, security system design and engineering, installation and commissioning of advanced security…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “Providing a Threat-Informed, Risk-Based Approach to Analysis, Preparedness and Operations, Gate 15 is a Virginia-based Veteran-Owned Small Business registered in the Commonwealth…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “PKMJ is an organization of experienced personnel dedicated to supporting the Nuclear Power Industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 16 contacts → | ||||
Exact match “VEDO Corporation was formed in 2017 by a small group of Intelligence Community (IC) and Department of Defense (DoD) veterans.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “Edlow International Company (EIC) provides specialized global transportation and regulatory services for nuclear and radioactive materials.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “Our Company TriVis Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “EXITECH Corporation has over 25 years of experience in domestic and international nuclear communities and provides services in several critical infrastructure sectors; Energy, DOD…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “International Nuclear Solutions, LLC (INS) is a leading provider of Radiological Protection (RP) and Decontamination technicians to the global nuclear energy sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “SECURITY OPERATIONS GROUP INTERNATIONAL LLC is a company based out of 428 HAVASU PT, Spring Branch, Texas, United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Inservice Engineering is celebrating its 20th year of providing quality engineering services to the nuclear industry!” Recorded in the RevenueBase company graph · Nov 5, 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 security service providers”. 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 73 nuclear security service providers based in the United States
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Nuclear security service providers based in the United States at a glance
As of Nov 5, 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 73 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 security service providers” 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 459 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 5, 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 security service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nuclear security service providers are there based in the United States?
RevenueBase identified 73 company matches for nuclear security service providers associated with the United States 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?
Securitas Critical Infrastructure Services, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most nuclear security service providers?
Knoxville leads with 4 company records, followed by Oak Ridge (3) and Washington (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 459 professional contacts with verified work emails tracked across these 73 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 73 nuclear security service providers based in the United States. 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
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- New lists
- Nuclear security service providers based in the United Kingdom
- Nuclear security service providers based in France
- Nuclear security service providers based in Canada
- AI companies based in the United States
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Company intelligence · public preview
Top 25 nuclear security service providers 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 73 matching company records for nuclear security service providers based in the United States, with 7,200 tracked contacts and 459 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 5, 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 security service providers 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 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,186 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Boston Government Services, LLC BGSbgs-llc.comHQ: Oak Ridge, ID, United StatesReported employees: 201-500 | Oak Ridge, ID, United States | 201-500 | Exact match | 246 contacts → |
“Boston Government Services, LLC (BGS) is an engineering, technology, and security firm providing mission-focused solutions for the clean energy, nuclear, and federal programs…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Golden Security Servicesgoldensecurityservices.comHQ: Hallandale Beach, FL, United StatesReported employees: 11-50 | Hallandale Beach, FL, United States | 11-50 | Exact match | 65 contacts → |
“Golden Security Services stands at the forefront of safeguarding radioactive sources throughout their entire lifecycle, blending personalized security solutions with strict…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Holtec Security Internationalholtecinternational.comHQ: Camden, NJ, United StatesReported employees: 201-500 | Camden, NJ, United States | 201-500 | Exact match | 64 contacts → |
“HSI is a vanguard in providing a full range of security solutions with specializations in the leveraging of innovative strategies and technologies for maximization of safety to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Miami, NV, United StatesReported employees: 51-200 | Miami, NV, United States | 51-200 | Exact match | 60 contacts → |
“Visit our Careers page for a listing of the extraordinary opportunities with GET: https://getinc.org/careers/ Global Engineering & Technology (GET) executes a wide scope of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Excel Services Corporationexcelservices.comHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 49 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Centerra-Srsjobs-centerrasrs.icims.comHQ: Aiken, SC, United StatesReported employees: 501-1,000 | Aiken, SC, United States | 501-1,000 | Exact match | 41 contacts → |
“Centerra-Savannah River Site (SRS) is an independent entity of Centerra Group LLC a Constellis company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sigma Science, INCrsienv.comHQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 39 contacts → |
“Sigma Science is now part of the RSI Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cyber Realm Solutionscyberrealmsolutions.netHQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 31 contacts → |
“At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Safeguards Technology LLCsafeguards.comHQ: Closter, NJ, United StatesReported employees: 51-200 | Closter, NJ, United States | 51-200 | Exact match | 26 contacts → |
“Safeguards Technology is dedicated to excellence in the area of security consulting, security system design and engineering, installation and commissioning of advanced security…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Gate 15gate15.globalHQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 18 contacts → |
“Providing a Threat-Informed, Risk-Based Approach to Analysis, Preparedness and Operations, Gate 15 is a Virginia-based Veteran-Owned Small Business registered in the Commonwealth…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Wiznucleus, INCwiznucleus.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 17 contacts → |
“WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pkmj Technical Services, INCpkmj.comHQ: Moon Township, PA, United StatesReported employees: 201-500 | Moon Township, PA, United States | 201-500 | Exact match | 17 contacts → |
“PKMJ is an organization of experienced personnel dedicated to supporting the Nuclear Power Industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vedo Corporationvedocorp.comHQ: Key West, FL, United StatesReported employees: 11-50 | Key West, FL, United States | 11-50 | Exact match | 16 contacts → |
“VEDO Corporation was formed in 2017 by a small group of Intelligence Community (IC) and Department of Defense (DoD) veterans.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aqiwo, INCaqiwo.comHQ: Vienna, VA, United StatesReported employees: 51-200 | Vienna, VA, United States | 51-200 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Edlow International Companyedlow.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 12 contacts → |
“Edlow International Company (EIC) provides specialized global transportation and regulatory services for nuclear and radioactive materials.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Trivis INCtrivisinc.comHQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 12 contacts → |
“Our Company TriVis Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Exitech Corporationexitech.comHQ: Maryville, TN, United StatesReported employees: 11-50 | Maryville, TN, United States | 11-50 | Exact match | 7 contacts → |
“EXITECH Corporation has over 25 years of experience in domestic and international nuclear communities and provides services in several critical infrastructure sectors; Energy, DOD…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  International Nuclear Solutionsint-nucl.comHQ: The Woodlands, TX, United StatesReported employees: 11-50 | The Woodlands, TX, United States | 11-50 | Exact match | 6 contacts → |
“International Nuclear Solutions, LLC (INS) is a leading provider of Radiological Protection (RP) and Decontamination technicians to the global nuclear energy sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Spring Branch, TX, United StatesReported employees: 11-50 | Spring Branch, TX, United States | 11-50 | Exact match | 5 contacts → |
“SECURITY OPERATIONS GROUP INTERNATIONAL LLC is a company based out of 428 HAVASU PT, Spring Branch, Texas, United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Inservice Engineeringinserviceeng.comHQ: Downers Grove, United StatesReported employees: 1-10 | Downers Grove, United States | 1-10 | Exact match | 4 contacts → |
“Inservice Engineering is celebrating its 20th year of providing quality engineering services to the nuclear industry!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 73 company matches
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Nuclear security service providers: dataset insights
November 5, 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
73 records in the displayed employee bands.
0 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 73 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 5, 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 security service providers?
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 security service providers did RevenueBase find based in the United States?
The saved snapshot records 73 matching company records, 7,200 tracked contacts and 459 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 5, 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 security service providers by geography
Cite this list
RevenueBase Data Team. Top 25 nuclear security service providers based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/nuclear-security-service-providers/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 security service providers based in the United Kingdom
- Nuclear security service providers based in France
- Nuclear security service providers based in Canada
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 nuclear security service providers based in the United States
RevenueBase records 73 matching company records for nuclear security service providers based in the United States, with 7,200 tracked contacts and 459 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 5, 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 security service providers 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 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,186 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Boston Government Services, LLC BGSbgs-llc.com HQ: Oak Ridge, ID, United StatesReported employees: 201-500 | Oak Ridge, ID, United States | 201-500 | Exact match | 246 contacts → |
“Boston Government Services, LLC (BGS) is an engineering, technology, and security firm providing mission-focused solutions for the clean energy, nuclear, and federal programs…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Golden Security Servicesgoldensecurityservices.com HQ: Hallandale Beach, FL, United StatesReported employees: 11-50 | Hallandale Beach, FL, United States | 11-50 | Exact match | 65 contacts → |
“Golden Security Services stands at the forefront of safeguarding radioactive sources throughout their entire lifecycle, blending personalized security solutions with strict…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Holtec Security Internationalholtecinternational.com HQ: Camden, NJ, United StatesReported employees: 201-500 | Camden, NJ, United States | 201-500 | Exact match | 64 contacts → |
“HSI is a vanguard in providing a full range of security solutions with specializations in the leveraging of innovative strategies and technologies for maximization of safety to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Miami, NV, United StatesReported employees: 51-200 | Miami, NV, United States | 51-200 | Exact match | 60 contacts → |
“Visit our Careers page for a listing of the extraordinary opportunities with GET: https://getinc.org/careers/ Global Engineering & Technology (GET) executes a wide scope of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Excel Services Corporationexcelservices.com HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 49 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Centerra-Srsjobs-centerrasrs.icims.com HQ: Aiken, SC, United StatesReported employees: 501-1,000 | Aiken, SC, United States | 501-1,000 | Exact match | 41 contacts → |
“Centerra-Savannah River Site (SRS) is an independent entity of Centerra Group LLC a Constellis company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sigma Science, INCrsienv.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 39 contacts → |
“Sigma Science is now part of the RSI Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cyber Realm Solutionscyberrealmsolutions.net HQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 31 contacts → |
“At Cyber Realm Solutions, we provide the expertise needed to support every stage of cybersecurity initiatives across nuclear, utility, and critical infrastructure environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Safeguards Technology LLCsafeguards.com HQ: Closter, NJ, United StatesReported employees: 51-200 | Closter, NJ, United States | 51-200 | Exact match | 26 contacts → |
“Safeguards Technology is dedicated to excellence in the area of security consulting, security system design and engineering, installation and commissioning of advanced security…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gate 15gate15.global HQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 18 contacts → |
“Providing a Threat-Informed, Risk-Based Approach to Analysis, Preparedness and Operations, Gate 15 is a Virginia-based Veteran-Owned Small Business registered in the Commonwealth…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wiznucleus, INCwiznucleus.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 17 contacts → |
“WizNucleus provides cyber & physical security solutions for mission-critical facilities, including nuclear and electric.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pkmj Technical Services, INCpkmj.com HQ: Moon Township, PA, United StatesReported employees: 201-500 | Moon Township, PA, United States | 201-500 | Exact match | 17 contacts → |
“PKMJ is an organization of experienced personnel dedicated to supporting the Nuclear Power Industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vedo Corporationvedocorp.com HQ: Key West, FL, United StatesReported employees: 11-50 | Key West, FL, United States | 11-50 | Exact match | 16 contacts → |
“VEDO Corporation was formed in 2017 by a small group of Intelligence Community (IC) and Department of Defense (DoD) veterans.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aqiwo, INCaqiwo.com HQ: Vienna, VA, United StatesReported employees: 51-200 | Vienna, VA, United States | 51-200 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Edlow International Companyedlow.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 12 contacts → |
“Edlow International Company (EIC) provides specialized global transportation and regulatory services for nuclear and radioactive materials.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Trivis INCtrivisinc.com HQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 12 contacts → |
“Our Company TriVis Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Exitech Corporationexitech.com HQ: Maryville, TN, United StatesReported employees: 11-50 | Maryville, TN, United States | 11-50 | Exact match | 7 contacts → |
“EXITECH Corporation has over 25 years of experience in domestic and international nuclear communities and provides services in several critical infrastructure sectors; Energy, DOD…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | International Nuclear Solutionsint-nucl.com HQ: The Woodlands, TX, United StatesReported employees: 11-50 | The Woodlands, TX, United States | 11-50 | Exact match | 6 contacts → |
“International Nuclear Solutions, LLC (INS) is a leading provider of Radiological Protection (RP) and Decontamination technicians to the global nuclear energy sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Spring Branch, TX, United StatesReported employees: 11-50 | Spring Branch, TX, United States | 11-50 | Exact match | 5 contacts → |
“SECURITY OPERATIONS GROUP INTERNATIONAL LLC is a company based out of 428 HAVASU PT, Spring Branch, Texas, United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Inservice Engineeringinserviceeng.com HQ: Downers Grove, United StatesReported employees: 1-10 | Downers Grove, United States | 1-10 | Exact match | 4 contacts → |
“Inservice Engineering is celebrating its 20th year of providing quality engineering services to the nuclear industry!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 73 company matches
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Nuclear security service providers: dataset insights
November 5, 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
73 records in the displayed employee bands.
0 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 73 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 5, 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 security service providers?
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 security service providers did RevenueBase find based in the United States?
The saved snapshot records 73 matching company records, 7,200 tracked contacts and 459 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 5, 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 security service providers by geography
Cite this list
RevenueBase Data Team. Top 25 nuclear security service providers based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/nuclear-security-service-providers/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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