| Business | Phone |
| Ernst Radon Testing/Mitigation 661 Clearview Ave, Pittsburgh 15205 | (412) 334-1661 |
| Pittsburgh Home Inspections Pittsburgh 15235 | (412) 371-2121 |
| Steel City Radon 414 Manordale Rd, Pittsburgh 15241 | (412) 851-4231 |
| Radon Ventilation Systems Inc 8620 Rochester Rd, Pittsburgh 15237 | (412) 366-3593 |