Licensed Boone County Radon Testers
| Name | License # | Company | City | Phone | Web Site | |
| Ronald Bowers | RNI98209 | Radon Testers, Inc | Wheaton | 630-260-0700 | Web Site | |
| Lori Macy | RNI2015228 | Radaspec | Rockford | 815-871-7216 | ||
| Michael Musgrave | RNI2007210 | ALLIN Radon Detection | Sterling | 877-535-0990 | Web Site | |
| Kirsten Schmidt | RNI2006204 | Radon Detection Specialists | Westmont | 630-325-4443 | Web Site | |
| Josh Sunderlage | RNIT2019210 | Sunderlage Home Inspection | Crystal Lake | 815-219-4663 | Web Site |