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HSS
Licensed professional: Henry Donnay
HSS holds Minnesota Department of Health radon mitigation license RMIT-00134 and is registered in Wyoming. MDH lists the services offered as: single family mitigation, multi family mitigation, schools & large buildings mitigation, single family measurement. Published service area: Statewide. This license appeared on the MDH service provider list at our last weekly check.
On the current MDH listRadon mitigation license
| License number | RMIT-00134 |
| License type | Radon mitigation |
| Licensed professional | Henry Donnay |
| Company | HSS |
| Location on file | 3140 Viking Blvd NE, Wyoming, MN, 55092 |
| Phone on file | (763) 434-3263 |
| Services listed | Single Family Mitigation, Multi Family Mitigation, Schools & Large Buildings Mitigation, Single Family Measurement |
| Service area | Statewide |
| First seen on the MDH list | July 7, 2026 |
| Last seen on the MDH list | August 19, 2026 |
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This profile is compiled automatically from the Minnesota Department of Health's public radon licensing list. It is public information, not a review, rating, or endorsement, and absence of a flag is not a guarantee. Verify current licensure with MDH before signing anything.Checked against the MDH list: August 19, 2026.