Company lists · Data refreshed September 2026

Top 25 Radiation safety consulting firms based in the United States

RevenueBase identified 282 radiation safety consulting firms headquartered in the United States as of September 2026 and tracks 5,907 professional contacts across them, including 2,022 with verified work emails and 2,354 with mobile numbers. Albuquerque is the largest hub.

This list covers radiation safety consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 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.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
282Companies
5,907Contacts tracked
2,022Verified emails
2,354Mobile numbers
Unlock all 282 companies Free signup · no credit card · 500 free credits

The 25 largest radiation safety consulting firms based in the United States

Ranked by team size
Top 25 of 282 radiation safety consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names radiation safety consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
MirionStrong evidence
Atlanta, GA, United StatesHQ checked Sep 5, 20261,001-5,000998

“Mirion (NYSE: MIR) is a global leader in radiation safety, science and medicine, with a diverse portfolio of products and services that protects people and the planet from the…”

Source: company website · checked Sep 5, 2026
2
Sonic SystemsPartial evidence
Wilmington, NC, United StatesHQ checked Sep 5, 2026501-1,000245

“Founded in 1977 Sonic Systems International (SSI) is a full-service quality-consulting firm serving the nuclear power generation utility industry.”

Source: company website · checked Sep 5, 2026
3Oak Ridge, TN, United StatesHQ checked Sep 5, 2026201-500233
Source: company website · checked Sep 5, 2026
4
Nelco WorldwideIndirect evidence
Burlington, MA, United StatesHQ checked Sep 5, 2026201-500182

“NELCO, an ISO 9001:2015 certified company, got its start in the 1930’s designing, manufacturing, and installing specialized products and services to meet the needs in the medical…”

Source: company website · checked Sep 5, 2026
5Newton, MA, United StatesHQ checked Sep 5, 202651-200170

“EH & E delivers integrated environmental, engineering, and health and safety solutions that help businesses and institutions safeguard their assets, improve operations and boost…”

Source: company website · checked Sep 5, 2026
6
Spectra Tech, INCIndirect evidence
Oak Ridge, TN, United StatesHQ checked Sep 5, 2026201-500162

“Spectra Tech is an engineering, environmental, and nuclear services company that focuses on providing high quality and cost-effective technical solutions for our Federal…”

Source: company website · checked Sep 5, 2026
7
West PhysicsIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200142

“As the first company to attempt and ultimately succeed with the national footprint model in the diagnostic medical physics industry, we are a diverse team of over 100 individuals…”

Source: company website · checked Sep 5, 2026
8Seabrook, NH, United StatesHQ checked Sep 5, 2026201-500139

“RSCS, now a division of Allied Power, offers expertise in all aspects of radiation safety and radiation measurement applications.”

Source: company website · checked Sep 5, 2026
9
Atkins Nuclear Solutions USIndirect evidence
Charlotte, NC, United StatesHQ checked Sep 5, 202651-200118

“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.”

Source: company website · checked Sep 5, 2026
10
Unitech Services Group, INCIndirect evidence
Longmeadow, MA, United StatesHQ checked Sep 5, 2026501-1,000114

“UniTech is the world leader in radiological laundering and protective clothing programs.”

Source: company website · checked Sep 5, 2026
11
Nv5 Dade MoellerStrong evidence
Richland, WA, United StatesHQ checked Sep 5, 20261,001-5,000109

“In May 2016, Dade Moeller joined NV5 to integrate our safety & health, radiation protection, and environmental quality capabilities with NV5’s engineering, infrastructure, and…”

Source: company website · checked Sep 5, 2026
12Mesa, AZ, United StatesHQ checked Sep 5, 202651-20093

“Banda Group International (BGI), LLC is a world class technical and project management support services company serving government and private sector clients around the globe.”

Source: company website · checked Sep 5, 2026
13Georgetown, TX, United StatesHQ checked Sep 5, 202651-20087

“RDC has provided world-class radiation monitoring since 1949.”

Source: company website · checked Sep 5, 2026
14
ONE PhysicsStrong evidence
Towson, MD, United StatesHQ checked Sep 5, 202651-20084

“Our mission is to transform the health and safety of our communities by providing comprehensive medical physics and radiation safety solutions to our clients.”

Source: company website · checked Sep 5, 2026
15
EGG MedicalPartial evidence
Roseville, MN, United StatesHQ checked Sep 5, 202651-20077

“At Egg Medical we believe that all interventional physicians, nurses and techs deserve better protection from scatter radiation in the lab.”

Source: company website · checked Sep 5, 2026
16San Diego, CA, United StatesHQ checked Sep 5, 202611-5074

“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…”

Source: company website · checked Sep 5, 2026
17
IES Safety, LLCStrong evidence
Louisville, KY, United StatesHQ checked Sep 5, 2026201-50065

“IES Safety, LLC delivers expert occupational safety and health consulting through seasoned professionals who help clients proactively manage risk and maintain regulatory…”

Source: company website · checked Sep 5, 2026
18
Fauske & AssociatesPartial evidence
Burr Ridge, IL, United StatesHQ checked Sep 5, 202651-20060

“Fauske & Associates (FAI) is a world leader in nuclear, industrial and chemical process safety.”

Source: company website · checked Sep 5, 2026
19
Golden Security ServicesPartial evidence
Hallandale Beach, FL, United StatesHQ checked Sep 5, 202611-5059

“Golden Security Services stands at the forefront of safeguarding radioactive sources throughout their entire lifecycle, blending personalized security solutions with strict…”

Source: company website · checked Sep 5, 2026
20
Veritas Medical SolutionsIndirect evidence
Harleysville, PA, United StatesHQ checked Sep 5, 202651-20049

“Veritas Medical Solutions, LLC; Veritas, Latin for "Truth"- our name sets before us the guiding principle and mission for our company.”

Source: company website · checked Sep 5, 2026
21
Excel Services CorporationIndirect evidence
Rockville, MD, United StatesHQ checked Sep 5, 202651-20047

“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.”

Source: company website · checked Sep 5, 2026
22Houston, TX, United StatesHQ checked Sep 5, 202611-5046

“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…”

Source: company website · checked Sep 5, 2026
23
HETIStrong evidence
Acton, MA, United StatesHQ checked Sep 5, 202651-20045

“HETI is an internationally-prominent, multi-disciplinary, full-service Environmental Health & Safety and Risk Management consulting company.”

Source: company website · checked Sep 5, 2026
24Fullerton, CA, United StatesHQ checked Sep 5, 202611-5041
Source: company website · checked Sep 5, 2026
25
MJW Corporation, INCIndirect evidence
Amherst, NY, United StatesHQ checked Sep 5, 202651-20036

“MJW Corporation Inc.”

Source: company website · checked Sep 5, 2026

Showing 25 of 282 radiation safety consulting firms based in the United States

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Radiation safety consulting firms based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
AlbuquerqueLargest hub · 7 HQs
2,354Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
157
11-50
80
51-200
30
201-500
7
501-1,000
4
1,001-5,000
2
5,001-10,000
2

Verified emails by last verification

0–30
1,925
31–60
83
61–90
0
90–180
2
180+
12

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among radiation safety consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in the United States whose own description of what they do matches “radiation safety consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among radiation safety consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,022 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many radiation safety consulting firms are there based in the United States?

RevenueBase identified 282 radiation safety consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mirion, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most radiation safety consulting firms?

Albuquerque leads with 7 headquartered companies, followed by Atlanta (5) and Houston (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,022 verified decision-maker contacts tracked across these 282 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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.