NEHA Certified Inspectors in New Hampshire
(Certified for Radon Measurement)
General Radon Information
| Company | Inspector | City | County |
| Threshold Home Inspection, LLC | Earl H. Horn | Harrisville | Cheshire |
| Coletta Environmental Technologies | Robert J. Coletta III | Manchester | Hillsborough |
| Black Dog Inspections, LLC | Richard P. Wiik | Nashua | Hillsborough |
| Black Dog Inspections, LLC | Eino A. Anttila | Nashua | Hillsborough |
| McBride's Water Advantage, LLC | William P. McBride | Epsom | Merrimack |
| Institute for Environmental Education, Inc | Martin Wood | Derry | Rockingham |
| Allied Clearwater, LLC | William T. Johnston | Kingston | Rockingham |
| New England Radon, Ltd. | Daniel Espinal | Salem | Rockingham |
| Radiation Safety and Control Services | Norman Gaulin | Stratham | Rockingham |
| Drougas Inspections LLC | Peter Drougas | Lee | Strafford |