| Business | Phone |
| Air Health Florida 3392 Hanover Ct, Naples 34112 | (239) 571-8538 |
| Collier Radon Svc Inc 622 Corbel Dr, Naples 34110 | (239) 775-3163 |
| Florida Radon 232 Palm Dr # 1, Naples 34112 | (239) 821-9574 |
| Phoenix Radon Solutions 4120 Enterprise Ave # 102, Naples 34104 | (239) 435-0774 |