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Radon mitigation companies in Pennsylvania

Browse 6 company profiles for radon testing, mitigation and related services. Choose a city or region for local coverage, business addresses and service details.

Pennsylvania radon company services: Test - Measure the radon concentration in the property.; Reduce - Use a system designed for the building when reduction is needed.; Retest - Measure the result after work and periodically thereafter.
Testing, mitigation and retesting address three different stages of radon control.

Choose from 14 published city guides and four regional pages. Each area lists providers with sourced coverage.

Browse all cities and regions →

All Pennsylvania company profiles

Enviroquest logo

Enviroquest

Harrisburg, Pennsylvania
Radon mitigationRadon testing

Testing, mitigation and existing-system service for central Pennsylvania homes and commercial properties.

DEP mitigation firm ID 1725Listed September 1, 2026

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Indoor Air Surgeons

Indoor Air Surgeons

Bensalem, Pennsylvania
Radon mitigationRadon testing

Radon testing and mitigation alongside indoor air quality services in Greater Philadelphia.

DEP mitigation firm ID 3347Listed September 1, 2026

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Oak Leaf Environmental

Oak Leaf Environmental

Centre Hall, Pennsylvania
Radon mitigationRadon testing

Radon and environmental services based in Centre Hall, with central Pennsylvania locations listed.

DEP mitigation firm ID 3727Listed September 1, 2026

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Radon X, LLC logo

Radon X, LLC

Pittsburgh, Pennsylvania
Radon mitigationCrawl space mitigation

Residential radon mitigation for Pittsburgh and surrounding western Pennsylvania communities.

Residential mitigationCompany-published services

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RVS Radon Mitigation logo

RVS Radon Mitigation

Philadelphia, Pennsylvania
Radon mitigationRadon testing

Philadelphia-based radon testing and mitigation with an in-person assessment before a project quote.

DEP mitigation firm ID 3594Listed September 1, 2026

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How do you choose the right radon service?

Choose testing for a measurement, mitigation for an elevated result, and system service for a fault in an existing installation. Each profile identifies the services the business publishes, its address and coverage.

Match the service to the property
Property situationRelevant service
No recent resultA radon test under the appropriate homeowner or transaction protocol.
Confirmed elevated resultA mitigation design suited to the foundation.
Noisy or stopped fanSystem inspection and compatible repair or replacement.
New home with a passive pipeTesting, followed by activation if the result requires it.

Check the current service category in the PA DEP directory. A company’s office location and its service area are different; use the linked area pages for coverage details.