Company lists · Data refreshed November 2026

Top 25 Nuclear steam generator services based in the United States

RevenueBase identified 116 company matches for nuclear steam generator services associated with the United States as of November 2026 and tracks 19,614 professional contacts across them, including 2,136 with verified work emails. Charlotte is the largest hub.

This list covers company matches for nuclear steam generator 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
116Companies
19,614Contacts tracked
2,136Verified emails
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The 25 largest nuclear steam generator services based in the United States

Ranked by team size
Top 25 of 116 company matches for nuclear steam generator services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCranberry Township, PA, United StatesHQ recorded Nov 6, 20265,001-10,00011,794 contacts →

Exact match

“Westinghouse Electric Company is the world's leading supplier of safe and innovative nuclear technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 20261,001-5,0001,285 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJupiter, FL, United StatesHQ recorded Nov 6, 2026501-1,0001,227 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 2026201-500451 contacts →

Exact match

“GSE Solutions supports nuclear power and clean-energy fleets worldwide through integrated engineering services and software that strengthen operational performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026201-500252 contacts →

Exact match

“Paragon tackles the most difficult challenges of the nuclear industry-those faced by the current operating fleet as well as the next generation of advanced reactors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWilmington, TX, United StatesHQ recorded Nov 6, 2026501-1,000244 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 2026201-500227 contacts →

Exact match

“Vogt Power International Inc, headquartered in Louisville, Kentucky, is a global leader in the design, manufacturing, and supply of Heat Recovery Steam Generators (HRSGs) and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchKennewick, WA, United StatesHQ recorded Nov 6, 2026501-1,000137 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSignal Hill, CA, United StatesHQ recorded Nov 6, 2026501-1,000132 contacts →

Exact match

“With more than a half-century in the nuclear business, is an expert in nuclear material handling and lifting equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPeachtree Corners, GA, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCharlotte, TN, United StatesHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“At Atkins Nuclear Solutions US, we offer client solutions crafted by the best engineers and specialists in the industry, served with truly exceptional customer service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMinnetonka, ME, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“We are a power plant technical services and products company specializing in Heat Recovery Steam Generators (HRSGs), waste heat boilers and smaller gas/oil-fired power boilers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCape Coral, FL, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Turbine Generator Maintenance, Inc.(TGM) is the premier solution provider for steam and combustion turbine and generator inspection, testing, and repair.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStonington, CT, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSullivan, TX, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Quality Turbine/Generator Turnkey Services- Featuring first-class power generation component repairs, generator testing and repairs, airfoil/blade and precision component…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLatrobe, PA, United StatesHQ recorded Nov 6, 2026201-50050 contacts →

Exact match

“Established in 1987, Master-Lee Energy Services was founded to provide the commercial Nuclear Power Industry with engineering, reactor services, decontamination, Reactor Coolant…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRockville, MD, United StatesHQ recorded Nov 6, 202651-20049 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 6, 2026 · View company records in RevenueBase
18Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Analysis and Measurement Services Corporation (AMS) is a nuclear engineering consulting firm and recognized market leader in providing the worldwide nuclear power industry with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPasadena, LA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Boiler Problem?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOak Ridge, TN, United StatesHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“At Paschal Solutions, we are more than engineers-we are problem solvers, innovators, and trusted partners in providing nuclear safety and specialized nuclear engineering technical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchReston, VA, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Lightbridge is developing and commercializing next generation nuclear fuel technology that will significantly improve the economics and safety of existing and new reactors, with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPeekskill, NY, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Founded in 1979 and now an EnergySolutions company, WMG, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChanute, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Chanute Manufacturing Company has a 40 year history of providing heat transfer and steam generating equipment fabricated for use in fossil fuel power generation, combined cycle…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOak Ridge, TN, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Park Nuclear stands at the forefront of the Nuclear Power Industry, specializing in providing top-tier solutions for obsolescence management, strategic sourcing of hard-to-find…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWeatogue, CT, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Tetra Engineering has been providing worldwide power plant services for more than thirty five years.”

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

Showing 25 of 116 nuclear steam generator services based in the United States

See the full list, filter by size, metro and specialty, and access 2,136 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nuclear steam generator services based in the United States at a glance

As of Nov 6, 2026
10.9%Verified-email coverage
169.1Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Charlotte
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
36
51-200
24
201-500
7
501-1,000
4
1,001-5,000
4
5,001-10,000
3

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 116 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 steam generator 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 2,136 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 steam generator services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nuclear steam generator services are there based in the United States?

RevenueBase identified 116 company matches for nuclear steam generator services 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?

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

Which city has the most nuclear steam generator services?

Charlotte leads with 3 company records, followed by Columbia (3) and Oak Ridge (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 2,136 professional contacts with verified work emails tracked across these 116 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.