| Business | Phone |
| Adams & Son Inc 465 W Trillium Cir, Saint Joseph 49085 | (269) 428-8039 |
| Airtherm Heating & Cooling Saint Joseph 49085 | (269) 313-2806 |
| Twin Cities Heating & Cooling 4641 Niles Rd, Saint Joseph 49085 | (269) 428-0351 |
| Bel-Aire Heating & Air Saint Joseph 49085 | (269) 428-7233 |
| Ber Refrigeration Cooling 205 Palladium Dr, Saint Joseph 49085 | (269) 428-2711 |
| F H Klug & Sons Heating & Air 1221 Broad St, Saint Joseph 49085 | (269) 983-3822 |