| Business | Phone |
| Ags Heating & Cooling Svc 60984 Peach Rd, South Bend 46614 | (574) 234-2079 |
| All Seasons 26148 Edison Rd, South Bend 46628 | (574) 234-8227 |
| Alltemp Heating & Cooling 20170 Richard Ave, South Bend 46637 | (574) 277-4240 |
| American Home Heating & Clng 19151 Palisades Ave, South Bend 46637 | (574) 243-4044 |
| B & O Heating & Cooling 1111 E Fox St, South Bend 46613 | (574) 232-8999 |
| Bill Ernsperger Air Cond & Htg 1829 Leer St, South Bend 46613 | (574) 233-1953 |
| C R Campbell & Sons Inc 3010 Mishawaka Ave, South Bend 46615 | (574) 287-1566 |
| Cherry's Heating & Air Cond 606 S 36th St, South Bend 46615 | (574) 288-0212 |
| Dave King Heating & Air Cond South Bend 46601 | (574) 287-7966 |
| Ellis Heating Co 1352 E Jackson Rd, South Bend 46614 | (574) 291-5397 |
| Gushwa Heating & Air Cond Inc 1602 Lincoln Way E, South Bend 46613 | (574) 287-3302 |
| J & K Hvac Svc Inc 64550 Oak Rd, South Bend 46614 | (574) 291-1294 |
| Johnstone Supply 3220 Rosetta Place Dr, South Bend 46628 | (574) 288-2843 |
| Linc 1632 Commerce Dr, South Bend 46628 | (574) 284-2020 |
| Pritchard Mechanical Contrs 23978 State Road 2, South Bend 46619 | (574) 232-7161 |
| Quality Applied Systems Inc 2515 N Bendix Dr, South Bend 46628 | (574) 283-9999 |
| Schuster Mechanical 109 Garst St, South Bend 46601 | (574) 287-2773 |
| Stalker's Heating & Air Cond 22925 Ardmore Trl, South Bend 46628 | (574) 234-2009 |
| Temp Techs 4018 Glenview Dr, South Bend 46628 | (574) 271-8301 |
| Trane Co 929 Lincoln Way E, South Bend 46601 | (574) 288-4914 |