Merrimack County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| McBride's Water Advantage, LLC | William P. McBride | (603) 736-4470 | Epsom | Merrimack |
| Coletta Environmental Technologies | Robert J. Coletta III | (603) 401-3563 | Manchester | Hillsborough |
| Black Dog Inspections, LLC | Richard P. Wiik | (603) 881-9884 | Nashua | Hillsborough |
| Black Dog Inspections, LLC | Eino A. Anttila | (603) 566-8176 | Nashua | Hillsborough |
| Institute for Environmental Education, Inc | Martin Wood | (603) 490-7575 | Derry | Rockingham |
| Allied Clearwater, LLC | William T. Johnston | (800) 540-9904 | Kingston | Rockingham |
| New England Radon, Ltd. | Daniel Espinal | (603) 893-4260 | Salem | Rockingham |
| Radiation Safety and Control Services | Norman Gaulin | (800) 525-8339 | Stratham | Rockingham |