Radon Testing in Columbus, OH
103 licensed companies in the Columbus area · state license records checked November 1, 2026
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
- License verifiedChecked Nov 1, 2026
Worth Mitigating LLC
Newark, OH- Radon mitigation
Ohio DOH license RS784 · active until Oct 19, 2028
- License verifiedChecked Nov 1, 2026
Worth Mitigation LLC
Newark, OH- Radon mitigation
Ohio DOH license RC487 · active until Oct 19, 2028
- License verifiedChecked Nov 1, 2026
X-Rad Radon Services LLC
New Lexington, OH- Radon mitigation
Ohio DOH license RC288 · active until Apr 30, 2027 · Ohio DOH license RS474 · active until Apr 30, 2027
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