| Business | Phone |
| American Induction 23227 Schoenherr Rd, Warren 48089 | (586) 779-1700 |
| Jim's Duct & Svc Llc 12816 E 9 Mile Rd, Warren 48089 | (586) 755-6743 |
| Air Flow Heating Supply 6791 E 8 Mile Rd, Warren 48091 | (586) 755-1996 |
| Williams Refrigeration & Htg 27332 Van Dyke Ave, Warren 48093 | (586) 353-8400 |