Company lists · Data refreshed September 2026
Top 25 Radon testing companies worldwide
RevenueBase identified 461 company matches for radon testing companies worldwide as of September 2026 and tracks 1,634 professional contacts across them, including 373 with verified work emails. The United States is the largest market and Bloomington the largest hub.
This list covers company matches for radon testing companies worldwide, 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 21, 2026. Country and city lists for radon testing companies follow the table.
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 radon testing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 102 contacts → | ||||
Exact match “Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 87 contacts → | ||||
Exact match “SWAT Environmental is the largest, most experienced radon mitigation services company in the United States.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 84 contacts → | ||||
Exact match “Protect Environmental is a national leader in the environmental consulting and construction industry, focusing on radon and chemical vapor intrusion management.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 64 contacts → | ||||
Exact match “Spruce was founded in 1989 with the purpose of making indoor air safer by removing a major health hazard: Radon.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “Axium, Inc.| Axium Inspections is Colorado's the largest and most referred Colorado home inspection company with over 5-Star Reviews.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 16 contacts → | ||||
Exact match “Ecosense is a Silicon Valley based company providing and supporting a family of high accuracy, real-time radon detectors for professional home inspectors, radon mitigators, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “RAdata Analytical Lab is proud to have been serving our New Jersey communities since 1984!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “Home Inspection Team Radon Sewer 🦠 Mold Chimney Water Assessments Much more!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “PRO-LAB® is the world-leading business in environmental testing for over 20 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Air & Water Quality was established in 1989 to help homeowners resolve water and radon issues and improve their home environments and their lives.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Cascade Radon is the Northwest leader in radon testing and mitigation system design, with over 25 years of expertise in the field.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “EcoPure focuses on improving human health by improving indoor air quality (IAQ).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Durridge is a leading provider of professional radon detection equipment.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Boasting unprecedented industry experience, competitive pricing and exceptional customer care, Lifetime Radon Solutions, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “Specialister på radon, ventilation och bättre inomhusmiljö sedan 1991 Hemkomfort är ett familjeägt företag med över 30 års erfarenhet av att skapa hälsosamma, säkra och…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “SunRADON strives to advance innovation of affordable, reliable, and robust indoor air quality monitors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Our team of highly trained inspectors provide a full line of inspection services including, home inspections, commercial inspections, new construction inspections, radon testing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Utah Radon Services is the leading radon company in Utah offering free radon test and free radon mitigation bids.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “NextDay Inspect® | Professional Property Inspections | DC, MD, VA, WV & PA Why Choose Us | Trusted since 2008 with over inspections completed, delivering excellence through…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “Before 1986, RDS was known as MINCO, and had provided radon testing for mines and uranium exploration during the 1960′s and 1970′s.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Premier Home Inspection, LLC provides professional home inspections and environmental testing services to Middle Tennessee residents.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “National Radon Defense is North America's leading radon testing and mitigation service provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Sentinel Environmental Consultants are specialists in Asbestos and Radon testing, monitoring and control.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “Full service asbestos contractor, providing building inspection and asbestos removal services.” Recorded in the RevenueBase company graph · Sep 21, 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 “radon testing companies”. 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 461 radon testing companies worldwide
See the full list, filter by size, metro and specialty, and access 373 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Radon testing companies worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for radon testing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “radon testing companies” 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. 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 373 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 21, 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.
Radon testing companies by location
1 lists · largest firstEvery Radon testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “radon testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many radon testing companies are there worldwide?
RevenueBase identified 461 company matches for radon testing companies worldwide 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?
Airthings tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most radon testing companies?
The United States leads with 300 companies. Every radon testing companies list by country and city is linked on this page.
Which city has the most radon testing companies?
Bloomington leads with 4 company records, followed by Calgary (4) and Denver (4).
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 373 professional contacts with verified work emails tracked across these 461 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 461 radon testing companies worldwide. 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
Company intelligence · public preview
Top 25 radon testing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 461 matching company records for radon testing companies worldwide, with 1,634 tracked contacts and 373 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 21, 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 radon testing companies worldwide
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 |  Airthingsairthings.comHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 102 contacts → |
“Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Swat Environmentalswat-radon.com HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 87 contacts → |
“SWAT Environmental is the largest, most experienced radon mitigation services company in the United States.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Protect Environmentalprotectenvironmental.com HQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 84 contacts → |
“Protect Environmental is a national leader in the environmental consulting and construction industry, focusing on radon and chemical vapor intrusion management.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Spruce Environmental Technologies, INCspruce.com HQ: Ward Hill, MA, United StatesReported employees: 51-200 | Ward Hill, MA, United States | 51-200 | Exact match | 64 contacts → |
“Spruce was founded in 1989 with the purpose of making indoor air safer by removing a major health hazard: Radon.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Axium, Inc. Axium Inspectionsaxiuminspections.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 30 contacts → |
“Axium, Inc.| Axium Inspections is Colorado's the largest and most referred Colorado home inspection company with over 5-Star Reviews.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ecosense INCecosense.io HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 16 contacts → |
“Ecosense is a Silicon Valley based company providing and supporting a family of high accuracy, real-time radon detectors for professional home inspectors, radon mitigators, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Accustar Labsaccustarlabs.comHQ: Medway, MA, United StatesReported employees: 11-50 | Medway, MA, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Radata Analytical LABradata.com HQ: Flanders, NJ, United StatesReported employees: 11-50 | Flanders, NJ, United States | 11-50 | Exact match | 16 contacts → |
“RAdata Analytical Lab is proud to have been serving our New Jersey communities since 1984!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Marigold Home Inspectionsmarigoldhomeinspections.com HQ: Coon Rapids, MN, United StatesReported employees: 11-50 | Coon Rapids, MN, United States | 11-50 | Exact match | 15 contacts → |
“Home Inspection Team Radon Sewer 🦠 Mold Chimney Water Assessments Much more!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pro-Labprolabinc.com HQ: Weston, FL, United StatesReported employees: 11-50 | Weston, FL, United States | 11-50 | Exact match | 14 contacts → |
“PRO-LAB® is the world-leading business in environmental testing for over 20 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AIR & Water Quality INCawqinc.com HQ: Freeport, ME, United StatesReported employees: 11-50 | Freeport, ME, United States | 11-50 | Exact match | 12 contacts → |
“Air & Water Quality was established in 1989 to help homeowners resolve water and radon issues and improve their home environments and their lives.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cascade Radoncascaderadon.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 12 contacts → |
“Cascade Radon is the Northwest leader in radon testing and mitigation system design, with over 25 years of expertise in the field.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecopureecopurecincinnati.com HQ: Cincinnati, OH, United StatesReported employees: 1-10 | Cincinnati, OH, United States | 1-10 | Exact match | 12 contacts → |
“EcoPure focuses on improving human health by improving indoor air quality (IAQ).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Durridgedurridge.com HQ: Billerica, MA, United StatesReported employees: 11-50 | Billerica, MA, United States | 11-50 | Exact match | 10 contacts → |
“Durridge is a leading provider of professional radon detection equipment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lifetime Radon Solutionslifetimeradon.com HQ: Delafield, WI, United StatesReported employees: 11-50 | Delafield, WI, United States | 11-50 | Exact match | 10 contacts → |
“Boasting unprecedented industry experience, competitive pricing and exceptional customer care, Lifetime Radon Solutions, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hemkomfort Svenska HEM & Miljö ABhemkomfort.se HQ: Skogås, United StatesReported employees: 11-50 | Skogås, United States | 11-50 | Exact match | 10 contacts → |
“Specialister på radon, ventilation och bättre inomhusmiljö sedan 1991 Hemkomfort är ett familjeägt företag med över 30 års erfarenhet av att skapa hälsosamma, säkra och…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sunradon, LLCsunradon.com HQ: Melbourne, FL, United StatesReported employees: 11-50 | Melbourne, FL, United States | 11-50 | Exact match | 9 contacts → |
“SunRADON strives to advance innovation of affordable, reliable, and robust indoor air quality monitors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | At Ease Inspectionsateaseinspections.net HQ: Canton, GA, United StatesReported employees: 11-50 | Canton, GA, United States | 11-50 | Exact match | 9 contacts → |
“Our team of highly trained inspectors provide a full line of inspection services including, home inspections, commercial inspections, new construction inspections, radon testing…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Utah Radon Servicesutahradonservices.com HQ: Draper, UT, United StatesReported employees: 11-50 | Draper, UT, United States | 11-50 | Exact match | 9 contacts → |
“Utah Radon Services is the leading radon company in Utah offering free radon test and free radon mitigation bids.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nextday Inspectnextdayinspect.com HQ: Sterling, VA, United StatesReported employees: 11-50 | Sterling, VA, United States | 11-50 | Exact match | 9 contacts → |
“NextDay Inspect® | Professional Property Inspections | DC, MD, VA, WV & PA Why Choose Us | Trusted since 2008 with over inspections completed, delivering excellence through…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RDS Environmental, INCrdsenvironmental.com HQ: Broomfield, CO, United StatesReported employees: 1-10 | Broomfield, CO, United States | 1-10 | Exact match | 7 contacts → |
“Before 1986, RDS was known as MINCO, and had provided radon testing for mines and uranium exploration during the 1960′s and 1970′s.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Premier Home Inspection, LLCpremierinspectiontn.com HQ: La Vergne, TN, United StatesReported employees: 1-10 | La Vergne, TN, United States | 1-10 | Exact match | 7 contacts → |
“Premier Home Inspection, LLC provides professional home inspections and environmental testing services to Middle Tennessee residents.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | National Radon Defensenationalradondefense.com HQ: Omaha, NE, United StatesReported employees: 11-50 | Omaha, NE, United States | 11-50 | Exact match | 6 contacts → |
“National Radon Defense is North America's leading radon testing and mitigation service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sentinel Environmental Consultancysentinelenvironmental.co.ukHQ: Wrexham Technology Park, United KingdomReported employees: 1-10 | Wrexham Technology Park, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Sentinel Environmental Consultants are specialists in Asbestos and Radon testing, monitoring and control.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Asbestos Inspections & Removal Companyaircoenvironmental.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 6 contacts → |
“Full service asbestos contractor, providing building inspection and asbestos removal services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 461 company matches
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Radon testing companies: dataset insights
September 21, 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
460 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 461 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 21, 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 ↗
Radon testing companies by location
1 lists · largest firstEvery Radon testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for radon testing companies?
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 radon testing companies did RevenueBase find worldwide?
The saved snapshot records 461 matching company records, 1,634 tracked contacts and 373 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 21, 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 radon testing companies worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/radon-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 radon testing companies worldwide
RevenueBase records 461 matching company records for radon testing companies worldwide, with 1,634 tracked contacts and 373 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 21, 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 radon testing companies worldwide
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 | Airthingsairthings.com HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 102 contacts → |
“Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Swat Environmentalswat-radon.com HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 87 contacts → |
“SWAT Environmental is the largest, most experienced radon mitigation services company in the United States.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Protect Environmentalprotectenvironmental.com HQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 84 contacts → |
“Protect Environmental is a national leader in the environmental consulting and construction industry, focusing on radon and chemical vapor intrusion management.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Spruce Environmental Technologies, INCspruce.com HQ: Ward Hill, MA, United StatesReported employees: 51-200 | Ward Hill, MA, United States | 51-200 | Exact match | 64 contacts → |
“Spruce was founded in 1989 with the purpose of making indoor air safer by removing a major health hazard: Radon.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Axium, Inc. Axium Inspectionsaxiuminspections.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 30 contacts → |
“Axium, Inc.| Axium Inspections is Colorado's the largest and most referred Colorado home inspection company with over 5-Star Reviews.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ecosense INCecosense.io HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 16 contacts → |
“Ecosense is a Silicon Valley based company providing and supporting a family of high accuracy, real-time radon detectors for professional home inspectors, radon mitigators, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Accustar Labsaccustarlabs.com HQ: Medway, MA, United StatesReported employees: 11-50 | Medway, MA, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Radata Analytical LABradata.com HQ: Flanders, NJ, United StatesReported employees: 11-50 | Flanders, NJ, United States | 11-50 | Exact match | 16 contacts → |
“RAdata Analytical Lab is proud to have been serving our New Jersey communities since 1984!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Marigold Home Inspectionsmarigoldhomeinspections.com HQ: Coon Rapids, MN, United StatesReported employees: 11-50 | Coon Rapids, MN, United States | 11-50 | Exact match | 15 contacts → |
“Home Inspection Team Radon Sewer 🦠 Mold Chimney Water Assessments Much more!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pro-Labprolabinc.com HQ: Weston, FL, United StatesReported employees: 11-50 | Weston, FL, United States | 11-50 | Exact match | 14 contacts → |
“PRO-LAB® is the world-leading business in environmental testing for over 20 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AIR & Water Quality INCawqinc.com HQ: Freeport, ME, United StatesReported employees: 11-50 | Freeport, ME, United States | 11-50 | Exact match | 12 contacts → |
“Air & Water Quality was established in 1989 to help homeowners resolve water and radon issues and improve their home environments and their lives.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cascade Radoncascaderadon.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 12 contacts → |
“Cascade Radon is the Northwest leader in radon testing and mitigation system design, with over 25 years of expertise in the field.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecopureecopurecincinnati.com HQ: Cincinnati, OH, United StatesReported employees: 1-10 | Cincinnati, OH, United States | 1-10 | Exact match | 12 contacts → |
“EcoPure focuses on improving human health by improving indoor air quality (IAQ).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Durridgedurridge.com HQ: Billerica, MA, United StatesReported employees: 11-50 | Billerica, MA, United States | 11-50 | Exact match | 10 contacts → |
“Durridge is a leading provider of professional radon detection equipment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lifetime Radon Solutionslifetimeradon.com HQ: Delafield, WI, United StatesReported employees: 11-50 | Delafield, WI, United States | 11-50 | Exact match | 10 contacts → |
“Boasting unprecedented industry experience, competitive pricing and exceptional customer care, Lifetime Radon Solutions, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hemkomfort Svenska HEM & Miljö ABhemkomfort.se HQ: Skogås, United StatesReported employees: 11-50 | Skogås, United States | 11-50 | Exact match | 10 contacts → |
“Specialister på radon, ventilation och bättre inomhusmiljö sedan 1991 Hemkomfort är ett familjeägt företag med över 30 års erfarenhet av att skapa hälsosamma, säkra och…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sunradon, LLCsunradon.com HQ: Melbourne, FL, United StatesReported employees: 11-50 | Melbourne, FL, United States | 11-50 | Exact match | 9 contacts → |
“SunRADON strives to advance innovation of affordable, reliable, and robust indoor air quality monitors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | At Ease Inspectionsateaseinspections.net HQ: Canton, GA, United StatesReported employees: 11-50 | Canton, GA, United States | 11-50 | Exact match | 9 contacts → |
“Our team of highly trained inspectors provide a full line of inspection services including, home inspections, commercial inspections, new construction inspections, radon testing…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Utah Radon Servicesutahradonservices.com HQ: Draper, UT, United StatesReported employees: 11-50 | Draper, UT, United States | 11-50 | Exact match | 9 contacts → |
“Utah Radon Services is the leading radon company in Utah offering free radon test and free radon mitigation bids.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nextday Inspectnextdayinspect.com HQ: Sterling, VA, United StatesReported employees: 11-50 | Sterling, VA, United States | 11-50 | Exact match | 9 contacts → |
“NextDay Inspect® | Professional Property Inspections | DC, MD, VA, WV & PA Why Choose Us | Trusted since 2008 with over inspections completed, delivering excellence through…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RDS Environmental, INCrdsenvironmental.com HQ: Broomfield, CO, United StatesReported employees: 1-10 | Broomfield, CO, United States | 1-10 | Exact match | 7 contacts → |
“Before 1986, RDS was known as MINCO, and had provided radon testing for mines and uranium exploration during the 1960′s and 1970′s.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Premier Home Inspection, LLCpremierinspectiontn.com HQ: La Vergne, TN, United StatesReported employees: 1-10 | La Vergne, TN, United States | 1-10 | Exact match | 7 contacts → |
“Premier Home Inspection, LLC provides professional home inspections and environmental testing services to Middle Tennessee residents.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | National Radon Defensenationalradondefense.com HQ: Omaha, NE, United StatesReported employees: 11-50 | Omaha, NE, United States | 11-50 | Exact match | 6 contacts → |
“National Radon Defense is North America's leading radon testing and mitigation service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sentinel Environmental Consultancysentinelenvironmental.co.uk HQ: Wrexham Technology Park, United KingdomReported employees: 1-10 | Wrexham Technology Park, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Sentinel Environmental Consultants are specialists in Asbestos and Radon testing, monitoring and control.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Asbestos Inspections & Removal Companyaircoenvironmental.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 6 contacts → |
“Full service asbestos contractor, providing building inspection and asbestos removal services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 461 company matches
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Radon testing companies: dataset insights
September 21, 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
460 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 461 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 21, 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 ↗
Radon testing companies by location
1 lists · largest firstEvery Radon testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for radon testing companies?
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 radon testing companies did RevenueBase find worldwide?
The saved snapshot records 461 matching company records, 1,634 tracked contacts and 373 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 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 radon testing companies worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/radon-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗