| Business | Phone |
| Aire Quality Management 571 W Uwchlan Ave, Exton 19341 | (610) 431-6788 |
| Atlas Heating & Cooling Exton 19341 | (610) 363-8300 |
| System Design & Svc 15 E Uwchlan Ave # 408, Exton 19341 | (610) 363-3399 |
| G & L Heating Air Conditioning 213 Hill Rd, Exton 19341 | (610) 594-8027 |
| Horn Plumbing & Heating Inc 304 National Rd # 100, Exton 19341 | (610) 692-9292 |