| Business | Phone |
| Bunger Heating & Cooling 1272 Turret Dr, Machesney Park 61115 | (815) 636-1334 |
| North Park Heating & Air Cond 9516 N Alpine Rd, Machesney Park 61115 | (815) 654-3389 |
| Northern Mechanical Inc 9933 N Alpine Rd, Machesney Park 61115 | (815) 654-7900 |