Our mission is to connect homeowners with independent licensed radon contractors. RadonFixers does not perform radon testing or mitigation installs. We are a referral and information service.

Radon mitigation contractors by state

Listings are copied from official state licensing records, and every page links to its source. More states are coming.

Pennsylvania

137 licensed mitigation entries · source: Pennsylvania DEP Bureau of Radiation Protection

Minnesota

113 licensed mitigation entries · source: Minnesota Department of Health (MDH) Indoor Air Unit

Illinois

105 licensed mitigation entries · source: Illinois Emergency Management Agency (IEMA-OHS)

Other states: EPA’s state radon program list, plus NRPP and NRSB searches.