Radon Testing in Chicago, IL
216 licensed companies in the Chicago area · state license records checked November 1, 2026
Radon testing companies in Chicago
Listed alphabetically, with companies based in Chicago first, then 195 elsewhere in the Chicago area. We do not rank companies, and no one pays to appear here. How we verify · How we make money
- License verifiedChecked Nov 1, 2026
Radon Gone LLC
Highland Park, IL- Radon mitigation
IL IEMA license RNM2020207 · IL IEMA license RNM20263637
- License verifiedChecked Nov 1, 2026
Radon Mitigation Masters
Yorkville, IL- Radon mitigation
IL IEMA license RNM2017201
- License verifiedChecked Nov 1, 2026
Radon Professional Services
Berwyn, IL- Radon testing
- Radon mitigation
IL IEMA license RNI2012207 · IL IEMA license RNM2017207
- License verifiedChecked Nov 1, 2026
Radon Rach LLC
Highland Park, IL- Radon testing
IL IEMA license RNI20242493 · IL IEMA license RNIT20232262
- License verifiedChecked Nov 1, 2026
Radon Rach LLC
Highland Park, IL- Radon testing
IL IEMA license RNI20231867
- License verifiedChecked Nov 1, 2026
Radon Reduction Company
Glen Ellyn, IL- Radon mitigation
IL IEMA license RNM2007208
- License verifiedChecked Nov 1, 2026
Radon Reduction Systems, Inc.
Naperville, IL- Radon mitigation
IL IEMA license RNM98124 · IL IEMA license RNMT2017208 · IL IEMA license RNMT20263609
- License verifiedChecked Nov 1, 2026
Radon Rescue Corporation
Elgin, IL- Radon mitigation
IL IEMA license RNM98125
- License verifiedChecked Nov 1, 2026
Radon Right LLC
Lincolnshire, IL- Radon mitigation
IL IEMA license RNM20232072
- License verifiedChecked Nov 1, 2026
Radon Shield
Elgin, IL- Radon mitigation
IL IEMA license RNM20252945 · IL IEMA license RNMT20253232
- License verifiedChecked Nov 1, 2026
Radon Tec
Mundelein, IL- Radon testing
IL IEMA license RNI2017201
- License verifiedChecked Nov 1, 2026
Radon Testers, Inc.
Wheaton, IL- Radon testing
IL IEMA license RNI2013229 · IL IEMA license RNIT2003206 · IL IEMA license RNIT2006201 · IL IEMA license RNIT2013202 · IL IEMA license RNIT2013213 · IL IEMA license RNIT2020213 · IL IEMA license RNIT20242747 · IL IEMA license RNIT20253137 · IL IEMA license RNIT20253139 · IL IEMA license RNIT20263723
- License verifiedChecked Nov 1, 2026
Radon Testing and Solutions
Summit, IL- Radon testing
IL IEMA license RNI2023203
- License verifiedChecked Nov 1, 2026
Radon Testing Partners
Elgin, IL- Radon testing
IL IEMA license RNI20252946
- License verifiedChecked Nov 1, 2026
Radon Xpress
Naperville, IL- Radon mitigation
IL IEMA license RNM2016208
- License verifiedChecked Nov 1, 2026
Radon-tek
Cary, IL- Radon testing
IL IEMA license RNI2012204 · IL IEMA license RNIT98214
- License verifiedChecked Nov 1, 2026
RadonIQ
Gurnee, IL- Radon testing
IL IEMA license RNI20263655
- License verifiedChecked Nov 1, 2026
Real Estate Advisory
Bloomingdale, IL- Radon testing
IL IEMA license RNI2021205
- License verifiedChecked Nov 1, 2026
Real Inspection Services
Northbrook, IL- Radon testing
IL IEMA license RNI2018226 · IL IEMA license RNIT2019207 · IL IEMA license RNIT2022236
- License verifiedChecked Nov 1, 2026
Red Line Home Inspection Services LLC
Elk Grove Village, IL- Radon testing
IL IEMA license RNI20263595
Showing 161–180 of 216