Radon Testing and Mitigation in Marshall, MN

3 radon professionals listed in Marshall. Each card says whether the firm tests, mitigates, or both, as its license type reads.

Checked against Minnesota Department of Health, Indoor Air Unit.

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Radon · Tester

John Schaefer · Based in Marshall, MN · License #RMEA-00089

Radon · Tester and mitigator

Brian Swalboski · Based in Marshall, MN · License #RMITS-00055

Radon · Tester and mitigator

Thor Wiebe · Based in Marshall, MN · License #RMITS-00001