GroundRosterKeith VolstedLicensed
| Company | VSI Radon Reduction Corporation |
| License number | RNM98115 |
| License type | Radon Mitigation Professional |
| License status | Active, IEMA-OHS licensed |
| Based in | Ingleside, Lake County, Illinois |
"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 #RNM98115 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Checked against IEMA-OHS radon license index, last checked 2026-11-02. See the issuing agency.
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