Calhoun County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| F3, Inc | Brian Lenk | (636) 462-3162 | Troy | Lincoln |
| Missouri Property Inspections.com | Paul D. Reichle | (636) 528-1554 | Troy | Lincoln |
| f3, inc | Jason Russell Davis | (636) 462-4132 | Troy | Lincoln |
| f3, inc. | Raymond R. Davis | (636) 462-4132 | Troy | Lincoln |
| Cornerstone Building Inspections, dba Housemaster | Wesley E. Villhard | (314) 393-9543 | St Charles | Saint Charles |
| Alec Cody Enterprises LTD Inc., (ACE) | Tim Knight | (636) 978-9111 | St Peters | Saint Charles |
| Assisting Homebuyers Inspection Services | James Zaloudek | (314) 406-2848 | St. Charles | Saint Charles |
| Radon Guard | William H. Parr | (314) 566-5667 | Wentzville | Saint Charles |