| Business | Phone |
| Robertson Heating Supply Co 26083 Groesbeck Hwy, Warren 48089 | (586) 774-1974 |
| Detroit Drains 13655 Irene Ct, Warren 48088 | (586) 344-5378 |
| Energy Clearance Corp 12800 E 10 Mile Rd, Warren 48089 | (586) 755-0341 |
| Lakeview Heating & Plumbing 24400 Mound Rd A, Warren 48091 | (586) 757-2700 |
| Budget Mobile Home Svc Warren 48088 | (586) 354-4812 |
| Jim's Heating & Cooling 31578 Beechwood Dr, Warren 48088 | (586) 566-0512 |
| Lowells Plumbing 11454 E 9 Mile Rd, Warren 48089 | (586) 757-5600 |
| Mike's Heating Svc 11257 E 11 Mile Rd, Warren 48093 | (586) 755-7999 |
| Temp Air 21683 Ryan Rd, Warren 48091 | (586) 427-2780 |
| Williams Heating & Cooling 27332 Van Dyke Ave, Warren 48093 | (586) 510-5278 |