GroundRosterRadon Crew, LLCLicensed
| Contact on the state list | Sam Quaintance |
| License number | RMITS-00081 |
| License type | Radon Measurement and Mitigation Professional |
| License status | Active, MDH licensed |
| Based in | Garretson, Minnehaha County, South Dakota 57030 |
| Work types on the roster | Single Family Mitigation; Multi Family Mitigation; Single Family Measurement; Multi Family Measurement; Schools & Large Buildings Measurement |
"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #RMITS-00081 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Checked against MDH radon license search, last checked 2026-11-02. See the issuing agency.
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