Licensed Phase 1 Property Inspection Radon Testers
| Name | License # | Company | City | Phone | Web Site | |
| Yale Fang | RNI2017207 | ERJ Management, LLC | Arlington Heights | 847-417-9778 | Web Site | |
| Bruce Fisher | RNI91155 | White Glove Building Inspections Inc. | Naperville | 630-428-4555 | Web Site | |
| Amy S. Murphy | RNI2009212 | DuPage Radon Testing | Warrenville | 630-225-7997 | Web Site | |
| Kirsten Schmidt | RNI2006204 | Radon Detection Specialists | Westmont | 630-325-4443 | Web Site |