| Business | Phone |
| Aaaco Appliance Svc Warren 48092 | (586) 558-4775 |
| Aladdin Fireplace Design Ctr 26969 Ryan Rd, Warren 48091 | (586) 758-5900 |
| All Climate Heating & Cooling Warren 48091 | (586) 758-7627 |
| Ambient Temp Heating & Cooling 11004 E 9 Mile Rd, Warren 48089 | (586) 754-0300 |
| Tech Borne 22705 Hoover Rd, Warren 48089 | (586) 754-9906 |
| Stewart & Sons 7605 Yacht Ave, Warren 48091 | (586) 755-2849 |
| Budget Heating & Cooling 27592 Los Olas Dr, Warren 48093 | (586) 755-0976 |
| City Express Htg Cooling & Mch 2071 E 9 Mile Rd, Warren 48091 | (586) 759-2009 |
| Comfort Tech 12004 E 9 Mile Rd, Warren 48089 | (586) 427-1514 |
| Condor Heating & Cooling Spec 4065 Otis Ave, Warren 48091 | (586) 755-1140 |
| R C Lomasney & Sons Heating 24895 Mound Rd, Warren 48091 | (586) 755-1210 |
| Deja Inc 15139 Raphael Ter, Warren 48088 | (586) 775-2726 |
| Dennie's Heating & Cooling 6214 Garden Ct, Warren 48091 | (586) 758-2153 |
| Family Heating & Cooling Inc Warren 48092 | (586) 274-1155 |
| Flame Furnance Co 2200 E 11 Mile Rd, Warren 48091 | (586) 582-1700 |
| Freshaire Heating & Cooling 27671 Dowland St, Warren 48092 | (586) 751-1918 |
| Lussenden Mechanical Inc 27200 Dequindre Rd, Warren 48092 | (586) 751-2420 |
| Ken's Refrigeration Heating 5466 E 9 Mile Rd, Warren 48091 | (586) 755-0077 |