GroundRosterTRC Environmental Corporation
| Contact on the state list | Chloe Hudson, Matthew Cuda |
| Listed as | Radon Measurement Company |
| Status | On the Oregon Health Authority list; company has an NRPP or NRSB certified technician on staff |
| Based in | Portland, Oregon |
"Based in" is the city 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 these details as they appear on the state list. Being on it is not a state license, and we do not vouch for the business. Before hiring, ask to see a current radon certification and a current certificate of insurance.
Checked against Oregon Health Authority radon measurement and mitigation company lists, last checked 2026-11-02. See the issuing agency.
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