Company lists · Data refreshed September 2026
Top 25 Radiological emergency response consultancies based in the United States
RevenueBase identified 398 company matches for radiological emergency response consultancies associated with the United States as of September 2026 and tracks 6,557 professional contacts across them, including 2,594 with verified work emails. Atlanta is the largest hub.
This list covers company matches for radiological emergency response consultancies 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 29, 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 radiological emergency response consultancies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,175 contacts → | ||||
Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 472 contacts → | ||||
Exact match “For over twenty years, Hagerty Consulting has supported clients in preparing for, responding to, and recovering from some of the nation’s largest and most complex disasters.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 336 contacts → | ||||
Exact match “CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 233 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 200 contacts → | ||||
Exact match “Thompson Consulting Services is a full service emergency response, disaster recovery and grant management consultancy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 162 contacts → | ||||
Exact match “Spectra Tech is an engineering, environmental, and nuclear services company that focuses on providing high quality and cost-effective technical solutions for our Federal…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 148 contacts → | ||||
Exact match “AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 139 contacts → | ||||
Exact match “RSCS, now a division of Allied Power, offers expertise in all aspects of radiation safety and radiation measurement applications.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 133 contacts → | ||||
Exact match “The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 93 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 88 contacts → | ||||
Exact match “CHEMTREC® is the definitive information resource and solutions provider for hazardous materials and dangerous goods response.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 87 contacts → | ||||
Exact match “RDC has provided world-class radiation monitoring since 1949.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 83 contacts → | ||||
Exact match “Environmental Standards is now part of Onterris.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 76 contacts → | ||||
Exact match “AcuTech Consulting Group is a specialty consulting firm with a unique background in process safety, chemical security, and emergency management.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 74 contacts → | ||||
Exact match “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 72 contacts → | ||||
Exact match “Available 24/7/365 for Emergency Response.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 67 contacts → | ||||
Exact match “OUR MISSION: To be a solutions centric company in which our employees value their role in exceeding customer expectations through Innovation, Experience, and Leadership.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 65 contacts → | ||||
Exact match “TerranearPMC (TPMC) is an experienced and highly qualified business at the forefront of the environmental service solutions industry with a focus on innovative technologies and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 59 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 52 contacts → | ||||
Exact match “Qal-Tek provides innovative solutions for those building a better and more secure world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 50 contacts → | ||||
Exact match “STCI, a leading global consulting firm, has experience delivering results for its clients in industry and government since 1993.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 48 contacts → | ||||
Exact match “CONSTANT is an award-winning emergency management and resilience consultancy dedicated to making the world a safer place.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 47 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 38 contacts → | ||||
Exact match “Cabrera Services provides integrated characterization and remediation expertise and solutions to environmental projects, primarily but not exclusively radiologically contaminated…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Continuity Operations Group, LLC was founded on Pearl Harbor Day, 2010, as a strategic consulting firm with a tactical and operational focus.” Recorded in the RevenueBase company graph · Sep 29, 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 “radiological emergency response consultancies”. 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 398 radiological emergency response consultancies based in the United States
See the full list, filter by size, metro and specialty, and access 2,594 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Radiological emergency response consultancies based in the United States at a glance
As of Sep 29, 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 398 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 “radiological emergency response consultancies” 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 2,594 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 29, 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 “radiological emergency response consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many radiological emergency response consultancies are there based in the United States?
RevenueBase identified 398 company matches for radiological emergency response consultancies 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?
IEM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most radiological emergency response consultancies?
Atlanta leads with 10 company records, followed by Houston (10) and New York (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 2,594 professional contacts with verified work emails tracked across these 398 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 398 radiological emergency response consultancies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Radiological emergency response consultancies by geography
- Radiological emergency response consultancies based in Australia
- Radiological emergency response consultancies based in Brazil
- Radiological emergency response consultancies based in Canada
- Radiological emergency response consultancies based in France
- Radiological emergency response consultancies based in Germany
- Radiological emergency response consultancies based in Italy
- Radiological emergency response consultancies based in the Netherlands
- Radiological emergency response consultancies based in the United Kingdom
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
- Radiological emergency response consultancies based in Australia
- Radiological emergency response consultancies based in Brazil
- Radiological emergency response consultancies based in Canada
- Radiological emergency response consultancies based in France
- Radiological emergency response consultancies based in Germany
- Radiological emergency response consultancies based in Italy
Company intelligence · public preview
Top 25 radiological emergency response consultancies 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 398 matching company records for radiological emergency response consultancies based in the United States, with 6,557 tracked contacts and 2,594 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 29, 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 radiological emergency response consultancies 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 |  IEMiem.comHQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Hagerty Consultinghagertyconsulting.comHQ: Evanston, IL, United StatesReported employees: 201-500 | Evanston, IL, United States | 201-500 | Exact match | 472 contacts → |
“For over twenty years, Hagerty Consulting has supported clients in preparing for, responding to, and recovering from some of the nation’s largest and most complex disasters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CTEHcteh.comHQ: North Little Rock, AR, United StatesReported employees: 201-500 | North Little Rock, AR, United States | 201-500 | Exact match | 336 contacts → |
“CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Perma-Fix Environmental Services, INCperma-fix.comHQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 233 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Thompson Consulting Servicesthompsoncs.netHQ: Maitland, FL, United StatesReported employees: 51-200 | Maitland, FL, United States | 51-200 | Exact match | 200 contacts → |
“Thompson Consulting Services is a full service emergency response, disaster recovery and grant management consultancy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Spectra Tech, INCspectratechinc.comHQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 162 contacts → |
“Spectra Tech is an engineering, environmental, and nuclear services company that focuses on providing high quality and cost-effective technical solutions for our Federal…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AC Disaster Consultingacdisaster.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 148 contacts → |
“AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Radiation Safety & Control Services, INC Rscsradsafety.comHQ: Seabrook, NH, United StatesReported employees: 201-500 | Seabrook, NH, United States | 201-500 | Exact match | 139 contacts → |
“RSCS, now a division of Allied Power, offers expertise in all aspects of radiation safety and radiation measurement applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  The Response Groupresponsegroupinc.comHQ: Cypress, TX, United StatesReported employees: 51-200 | Cypress, TX, United States | 51-200 | Exact match | 133 contacts → |
“The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Banda Group International, LLCbandagroupintl.comHQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 93 contacts → |
“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.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Chemtrecchemtrec.com HQ: Falls Church, VA, United StatesReported employees: 51-200 | Falls Church, VA, United States | 51-200 | Exact match | 88 contacts → |
“CHEMTREC® is the definitive information resource and solutions provider for hazardous materials and dangerous goods response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Radiation Detection Company RDCradetco.comHQ: Georgetown, TX, United StatesReported employees: 51-200 | Georgetown, TX, United States | 51-200 | Exact match | 87 contacts → |
“RDC has provided world-class radiation monitoring since 1949.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Valley Forge, PA, United StatesReported employees: 51-200 | Valley Forge, PA, United States | 51-200 | Exact match | 83 contacts → |
“Environmental Standards is now part of Onterris.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Acutech Consulting Groupacutech-consulting.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 76 contacts → |
“AcuTech Consulting Group is a specialty consulting firm with a unique background in process safety, chemical security, and emergency management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Occupational Services, INCoccserv.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 74 contacts → |
“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Bartow, FL, United StatesReported employees: 51-200 | Bartow, FL, United States | 51-200 | Exact match | 72 contacts → |
“Available 24/7/365 for Emergency Response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Interagency Readiness Solutions, LLCirsolutions-llc.comHQ: St Augustine, FL, United StatesReported employees: 51-200 | St Augustine, FL, United States | 51-200 | Exact match | 67 contacts → |
“OUR MISSION: To be a solutions centric company in which our employees value their role in exceeding customer expectations through Innovation, Experience, and Leadership.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Terranearpmcterranearpmc.comHQ: Exton, PA, United StatesReported employees: 51-200 | Exton, PA, United States | 51-200 | Exact match | 65 contacts → |
“TerranearPMC (TPMC) is an experienced and highly qualified business at the forefront of the environmental service solutions industry with a focus on innovative technologies and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Golden Security Servicesgoldensecurityservices.comHQ: Hallandale Beach, FL, United StatesReported employees: 11-50 | Hallandale Beach, FL, United States | 11-50 | Exact match | 59 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Qal-Tek Associatesqaltek.com HQ: Idaho Falls, ID, United StatesReported employees: 11-50 | Idaho Falls, ID, United States | 11-50 | Exact match | 52 contacts → |
“Qal-Tek provides innovative solutions for those building a better and more secure world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  STCIstci.usHQ: Lake Saint Louis, MO, United StatesReported employees: 51-200 | Lake Saint Louis, MO, United States | 51-200 | Exact match | 50 contacts → |
“STCI, a leading global consulting firm, has experience delivering results for its clients in industry and government since 1993.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Constant Associatesconstantassociates.comHQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 48 contacts → |
“CONSTANT is an award-winning emergency management and resilience consultancy dedicated to making the world a safer place.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Excel Services Corporationexcelservices.comHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 47 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cabrera Services INCcabreraservices.com HQ: East Hartford, CT, United StatesReported employees: 51-200 | East Hartford, CT, United States | 51-200 | Exact match | 38 contacts → |
“Cabrera Services provides integrated characterization and remediation expertise and solutions to environmental projects, primarily but not exclusively radiologically contaminated…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Continuity Operations Group, LLCcog-llc.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 38 contacts → |
“Continuity Operations Group, LLC was founded on Pearl Harbor Day, 2010, as a strategic consulting firm with a tactical and operational focus.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 398 company matches
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Radiological emergency response consultancies: dataset insights
September 29, 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
397 records in the displayed employee bands.
1 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 398 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 29, 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 radiological emergency response consultancies?
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 radiological emergency response consultancies did RevenueBase find based in the United States?
The saved snapshot records 398 matching company records, 6,557 tracked contacts and 2,594 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 29, 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
Radiological emergency response consultancies by geography
- Radiological emergency response consultancies based in Australia
- Radiological emergency response consultancies based in Brazil
- Radiological emergency response consultancies based in Canada
- Radiological emergency response consultancies based in France
- Radiological emergency response consultancies based in Germany
- Radiological emergency response consultancies based in Italy
- Radiological emergency response consultancies based in the Netherlands
- Radiological emergency response consultancies based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 radiological emergency response consultancies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/radiological-emergency-response-consultancies/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
- Radiological emergency response consultancies based in Australia
- Radiological emergency response consultancies based in Brazil
- Radiological emergency response consultancies based in Canada
- Radiological emergency response consultancies based in France
- Radiological emergency response consultancies based in Germany
- Radiological emergency response consultancies based in Italy
Company intelligence · public preview
Top 25 radiological emergency response consultancies based in the United States
RevenueBase records 398 matching company records for radiological emergency response consultancies based in the United States, with 6,557 tracked contacts and 2,594 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 29, 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 radiological emergency response consultancies 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 | IEMiem.com HQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hagerty Consultinghagertyconsulting.com HQ: Evanston, IL, United StatesReported employees: 201-500 | Evanston, IL, United States | 201-500 | Exact match | 472 contacts → |
“For over twenty years, Hagerty Consulting has supported clients in preparing for, responding to, and recovering from some of the nation’s largest and most complex disasters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CTEHcteh.com HQ: North Little Rock, AR, United StatesReported employees: 201-500 | North Little Rock, AR, United States | 201-500 | Exact match | 336 contacts → |
“CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Perma-Fix Environmental Services, INCperma-fix.com HQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 233 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Thompson Consulting Servicesthompsoncs.net HQ: Maitland, FL, United StatesReported employees: 51-200 | Maitland, FL, United States | 51-200 | Exact match | 200 contacts → |
“Thompson Consulting Services is a full service emergency response, disaster recovery and grant management consultancy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Spectra Tech, INCspectratechinc.com HQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 162 contacts → |
“Spectra Tech is an engineering, environmental, and nuclear services company that focuses on providing high quality and cost-effective technical solutions for our Federal…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AC Disaster Consultingacdisaster.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 148 contacts → |
“AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Radiation Safety & Control Services, INC Rscsradsafety.com HQ: Seabrook, NH, United StatesReported employees: 201-500 | Seabrook, NH, United States | 201-500 | Exact match | 139 contacts → |
“RSCS, now a division of Allied Power, offers expertise in all aspects of radiation safety and radiation measurement applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Response Groupresponsegroupinc.com HQ: Cypress, TX, United StatesReported employees: 51-200 | Cypress, TX, United States | 51-200 | Exact match | 133 contacts → |
“The Response Group is dedicated to delivering superior products and services to the Emergency Response Community.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Banda Group International, LLCbandagroupintl.com HQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 93 contacts → |
“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.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Chemtrecchemtrec.com HQ: Falls Church, VA, United StatesReported employees: 51-200 | Falls Church, VA, United States | 51-200 | Exact match | 88 contacts → |
“CHEMTREC® is the definitive information resource and solutions provider for hazardous materials and dangerous goods response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Radiation Detection Company RDCradetco.com HQ: Georgetown, TX, United StatesReported employees: 51-200 | Georgetown, TX, United States | 51-200 | Exact match | 87 contacts → |
“RDC has provided world-class radiation monitoring since 1949.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Valley Forge, PA, United StatesReported employees: 51-200 | Valley Forge, PA, United States | 51-200 | Exact match | 83 contacts → |
“Environmental Standards is now part of Onterris.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Acutech Consulting Groupacutech-consulting.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 76 contacts → |
“AcuTech Consulting Group is a specialty consulting firm with a unique background in process safety, chemical security, and emergency management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Occupational Services, INCoccserv.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 74 contacts → |
“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Bartow, FL, United StatesReported employees: 51-200 | Bartow, FL, United States | 51-200 | Exact match | 72 contacts → |
“Available 24/7/365 for Emergency Response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Interagency Readiness Solutions, LLCirsolutions-llc.com HQ: St Augustine, FL, United StatesReported employees: 51-200 | St Augustine, FL, United States | 51-200 | Exact match | 67 contacts → |
“OUR MISSION: To be a solutions centric company in which our employees value their role in exceeding customer expectations through Innovation, Experience, and Leadership.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Terranearpmcterranearpmc.com HQ: Exton, PA, United StatesReported employees: 51-200 | Exton, PA, United States | 51-200 | Exact match | 65 contacts → |
“TerranearPMC (TPMC) is an experienced and highly qualified business at the forefront of the environmental service solutions industry with a focus on innovative technologies and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Golden Security Servicesgoldensecurityservices.com HQ: Hallandale Beach, FL, United StatesReported employees: 11-50 | Hallandale Beach, FL, United States | 11-50 | Exact match | 59 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Qal-Tek Associatesqaltek.com HQ: Idaho Falls, ID, United StatesReported employees: 11-50 | Idaho Falls, ID, United States | 11-50 | Exact match | 52 contacts → |
“Qal-Tek provides innovative solutions for those building a better and more secure world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | STCIstci.us HQ: Lake Saint Louis, MO, United StatesReported employees: 51-200 | Lake Saint Louis, MO, United States | 51-200 | Exact match | 50 contacts → |
“STCI, a leading global consulting firm, has experience delivering results for its clients in industry and government since 1993.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Constant Associatesconstantassociates.com HQ: Alexandria, VA, United StatesReported employees: 11-50 | Alexandria, VA, United States | 11-50 | Exact match | 48 contacts → |
“CONSTANT is an award-winning emergency management and resilience consultancy dedicated to making the world a safer place.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Excel Services Corporationexcelservices.com HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 47 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cabrera Services INCcabreraservices.com HQ: East Hartford, CT, United StatesReported employees: 51-200 | East Hartford, CT, United States | 51-200 | Exact match | 38 contacts → |
“Cabrera Services provides integrated characterization and remediation expertise and solutions to environmental projects, primarily but not exclusively radiologically contaminated…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Continuity Operations Group, LLCcog-llc.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 38 contacts → |
“Continuity Operations Group, LLC was founded on Pearl Harbor Day, 2010, as a strategic consulting firm with a tactical and operational focus.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 398 company matches
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Radiological emergency response consultancies: dataset insights
September 29, 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
397 records in the displayed employee bands.
1 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 398 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 29, 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 radiological emergency response consultancies?
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 radiological emergency response consultancies did RevenueBase find based in the United States?
The saved snapshot records 398 matching company records, 6,557 tracked contacts and 2,594 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 29, 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
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Cite this list
RevenueBase Data Team. Top 25 radiological emergency response consultancies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/radiological-emergency-response-consultancies/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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