| Business | Phone |
| American Air Control 205 W Lincoln Ave, Madison Heights 48071 | (248) 399-0483 |
| Thermal Mechanical Corp 1129 E 10 Mile Rd, Madison Heights 48071 | (248) 543-9233 |
| Delta Temp Inc 500 Ajax Dr, Madison Heights 48071 | (248) 589-2828 |
| Empire Heating & Cooling Inc 1119 E 10 Mile Rd, Madison Heights 48071 | (248) 399-9245 |
| Family Heating Cooling & Elec 26324 John R Rd, Madison Heights 48071 | (248) 548-9565 |
| Mobil Air 800 E Mandoline Ave, Madison Heights 48071 | (248) 307-1938 |
| Midwest Zilka Heating-Cooling 133 W 14 Mile Rd, Madison Heights 48071 | (248) 435-6016 |