Saint Marys County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| Sapphire, Inc. | Denise A. Canter | (301) 994-3041 | Great Mills | Saint Marys |
| B-Sure Home Inspection, Inc. | James Kasterko | (410) 286-8088 | Dunkirk | Calvert |
| Chesapeake Environmental Solutions | Gregory H. Stroud | (410) 286-0234 | Dunkirk | Calvert |
| AIC, Inc | Gary L. Anderson | (301) 855-3337 | Owings | Calvert |