Johnson County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| Appalachian Radon Busters, LLC | Sidney Alstad | (336) 385-1758 | Creston | Ashe |
| Radon Control Services, Inc. | John G. Hastings | (828) 265-9534 | Boone | Watauga |
| Wide Scope Home Inspections | Richard D. McNew | (276) 780-3062 | Marion | Smyth |