| Business | Phone |
| Diehl's Services 8540 Country Ln, Troy 62294 | (618) 667-1092 |
| Eaton Heating & Cooling 115 W Throp St, Troy 62294 | (618) 667-3840 |
| Perfect Air Heating & Cooling Troy 62294 | (618) 409-2280 |
| Jeff's Heating & Cooling Inc 402 Troy Ave, Troy 62294 | (618) 667-9468 |