Radon Testing in Chicago, IL

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

• Preferred Property Inspection Services, Inc.

  Oswego, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2013235

  Call 630-636-9676View full profile

• Premier Plus Home Inspections

  Schaumburg, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2022226

  Call 708-790-2403View full profile

• Pro Radon Testing LLC

  Aurora, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2018213 · IL IEMA license RNI2020230

  Call 630-589-4029View full profile

• Professional Radon Diagnostics

  Niles, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI20232190

  Call 312-343-1736View full profile

• Professional Radon Systems

  Plainfield, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing
  • Radon mitigation

  IL IEMA license RNI20242354 · IL IEMA license RNM2006206 · IL IEMA license RNMT2017202 · IL IEMA license RNMT2022204

  Call 630-236-4200View full profile

• Professional Radon Testers

  Barrington, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2016219 · IL IEMA license RNIT2005208 · IL IEMA license RNIT2016219 · IL IEMA license RNIT2017224 · IL IEMA license RNIT2021217 · IL IEMA license RNIT2021244 · IL IEMA license RNIT20253249

  Call 630-605-8964View full profile

• Property Guidance Inspection LLC

  Oak Park, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2012212

  Call 773-469-3390View full profile

• QHSG Inc.

  Park Ridge, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2016227

  Call 847-652-7160View full profile

• Quality Assurance Radon Testing, Inc.

  Sugar Grove, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2019216 · IL IEMA license RNI2020204

  Call 630-973-9840View full profile

• Quality Environmental Testing, Inc.

  Lockport, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2020207

  Call 708-243-5945View full profile

• Quick Close Radon LLC

  Elgin, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI20263663

  Call 224-227-9185View full profile

• Radaquest

  Schaumburg, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing
  • Radon mitigation

  IL IEMA license RNI2008235 · IL IEMA license RNM2021206

  Call 630-205-4223View full profile

• Radon & Mold Testing Services

  West Chicago, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2006202

  Call 630-935-2888View full profile

• Radon 123

  Arlington Heights, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2022243

  Call 847-347-4502View full profile

• Radon 123

  Arlington Heights, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2020232

  Call 847-293-8064View full profile

• Radon and Mold Testers of Illinois

  Highland Park, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2012219 · IL IEMA license RNI20242313

  Call 773-447-0639View full profile

• Radon Dave LLC

  Westmont, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI20242382

  Call 312-371-1519View full profile

• Radon Detection Specialists, Inc.

  Westmont, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2006204 · IL IEMA license RNI2014226 · IL IEMA license RNI2022246 · IL IEMA license RNI2022247 · IL IEMA license RNI2022248 · IL IEMA license RNIT2002208 · IL IEMA license RNIT2004227 · IL IEMA license RNIT2005205 · IL IEMA license RNIT2007229 · IL IEMA license RNIT2008215 · IL IEMA license RNIT2012210 · IL IEMA license RNIT2012213 · IL IEMA license RNIT2013205 · IL IEMA license RNIT2013211 · IL IEMA license RNIT2013231 · IL IEMA license RNIT2016204 · IL IEMA license RNIT2016217 · IL IEMA license RNIT2017203 · IL IEMA license RNIT2017204 · IL IEMA license RNIT2017205 · IL IEMA license RNIT2017214 · IL IEMA license RNIT2018231 · IL IEMA license RNIT2019205 · IL IEMA license RNIT2020205 · IL IEMA license RNIT2020214 · IL IEMA license RNIT2020219 · IL IEMA license RNIT2021210 · IL IEMA license RNIT2021219 · IL IEMA license RNIT2022211 · IL IEMA license RNIT2022215 · IL IEMA license RNIT20232194 · IL IEMA license RNIT20232280 · IL IEMA license RNIT20232287 · IL IEMA license RNIT20232288 · IL IEMA license RNIT20232302 · IL IEMA license RNIT20242389 · IL IEMA license RNIT20242405 · IL IEMA license RNIT20242706 · IL IEMA license RNIT20253227 · IL IEMA license RNIT20263619

  Call 630-325-4443View full profile

• Radon Diagnostics, Inc.

  Palatine, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing

  IL IEMA license RNI2014215 · IL IEMA license RNIT2017218

  Call 847-312-6538View full profile

• Radon Professional Services

  Berwyn, IL

  License verifiedChecked Nov 1, 2026
  • Radon testing
  • Radon mitigation

  IL IEMA license RNI2012207 · IL IEMA license RNM2017207

  Call 708-935-3206View full profile

Showing 121–140 of 182

Radon testing in other Illinois cities

• Radon Testing in Naperville, IL
• Radon Testing in Rockford, IL
• Radon Testing in Elgin, IL
• Radon Testing in Springfield, IL
• Radon Testing in Peoria, IL
• Radon Testing in Champaign, IL
• Radon Testing in Bloomington, IL
• Radon Testing in Decatur, IL
• Radon Testing in Kankakee, IL