| Business | Phone |
| Binkley Sales & Svc 10930 Trentman Rd, Fort Wayne 46816 | (260) 639-3024 |
| Coe Heating & Air Conditioning 3300 Lower Huntington Rd, Fort Wayne 46809 | (260) 744-4343 |
| Furnace Co 4117 Buell Dr, Fort Wayne 46807 | (260) 744-1650 |
| G D Smith Inc 606 W Superior St, Fort Wayne 46802 | (260) 426-8457 |
| G Townsend Heating & Air Cond 3013 Sandpoint Rd, Fort Wayne 46809 | (260) 747-4303 |
| Generex Inc 3403 E Washington Blvd, Fort Wayne 46803 | (260) 424-1965 |
| Geothermal Design Assoc Inc 114 W Collins Rd, Fort Wayne 46825 | (260) 484-8131 |
| Guardian Services 11011 Smith Rd, Fort Wayne 46809 | (260) 747-6371 |
| H K & F Heating & Air Cond 5029 Wayne Trce, Fort Wayne 46806 | (260) 385-0585 |
| Hammond's Heating Ac 1511 Us 30 E, Fort Wayne 46815 | (260) 493-1965 |
| J O Mory Inc 8107 Lima Rd, Fort Wayne 46818 | (260) 489-5531 |
| W C Borchelt & Sons Inc 6332 Maplecrest Rd, Fort Wayne 46835 | (260) 485-3412 |
| T E Mix Htg & Air Conditioning 2530 Eastbrook Dr, Fort Wayne 46805 | (260) 427-9103 |
| Terry's Heating & Air Cond 8321 Illinois Rd, Fort Wayne 46804 | (260) 436-0118 |
| Todd Spade Heating & Air Cond 10435 Greenoak Blvd, Fort Wayne 46814 | (260) 625-5300 |
| Standard-Shank Htg & Ac Inc 3511 Eleanor Ave, Fort Wayne 46805 | (260) 483-1135 |
| Starn Heating & Air Cond Inc 3414 Three Oaks Dr, Fort Wayne 46809 | (260) 747-4265 |
| R & M Heating & Cooling Po Box 15666, Fort Wayne 46885 | (260) 485-1766 |