| Business | Phone |
| Airwave Heating & Cooling Inc Allen Park 48101 | (313) 388-4087 |
| Downriver Refrigeration Supply 5213 Allen Rd, Allen Park 48101 | (313) 386-0420 |
| Robert Thomason Heating & Cool 14614 Markese Ave, Allen Park 48101 | (313) 382-0420 |
| Ruetz Heating & Cooling Inc 6630 Roosevelt Ave, Allen Park 48101 | (313) 383-9527 |
| Young Supply Co 4950 Allen Rd, Allen Park 48101 | (313) 928-8800 |