Radon Testing in Columbus, OH

Radon testing companies in Columbus

Listed alphabetically, with companies based in Columbus first, then 69 elsewhere in the Columbus area. We do not rank companies, and no one pays to appear here. How we verify · How we make money

• Terracon Consultants, Inc.

  Gahanna, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT827 · active until Sep 8, 2027

  Call 614-328-5133View full profile

• TKO Home Inspections, LLC

  Groveport, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1364 · active until Jul 17, 2028

  Call 614-569-1110View full profile

• Top Flight Home Inspection, LLC

  Stoutsville, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1193 · active until May 23, 2027 · Ohio DOH license RT1685 · active until Feb 7, 2027

  Call 614-203-9217View full profile

• Wall to Wall Home Inspection, LLC

  Lewis Center, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT994 · active until Nov 17, 2027

  Call 614-519-9098View full profile

Showing 61–64 of 64

Radon testing in other Ohio cities

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