| Business | Phone |
| Warren Heating & Cooling 22280 John Deere Ln, Macomb 48044 | (586) 469-2450 |
| Washington Heating & Cooling 51180 Milano Dr, Macomb 48042 | (586) 781-9738 |
| Thermal Tech Inc 24072 Pointe Dr, Macomb 48042 | (586) 598-8028 |
| Rummel Heating & Cooling 45565 Fairchild Rd, Macomb 48042 | (586) 949-4220 |
| Rawely's Heating & Cooling Macomb 48042 | (586) 992-0551 |