Black River Radon, LLC
Licensed Contractor2 licensed radon professionals on record, under the OH radon program.
Licensed professionals at this business
| Licensee | License type | Number | State |
|---|---|---|---|
| Gray, Matthew | Radon Mitigation Contractor | RC291 | OH |
| Gray, Matthew | Radon Mitigation Specialist | RS456 | OH |
Source & verification
This record was pulled from the official state roster listed below. Licenses can lapse, transfer, or be revoked after the date we pulled them (last pull: 2026-08-05). Always confirm current license status directly with the state agency before hiring.
- Ohio Department of Health Radon Licensure dataset (DataOhio) · pulled 2026-08-05 Official lookup
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