| Business | Phone |
| Brugh & Son's Heating & Ac Mishawaka 46545 | (574) 259-6010 |
| Great Lakes Heating & A/C Mishawaka 46545 | (574) 256-0800 |
| Nelson Brothers Heating & Ac 223 E 6th St, Mishawaka 46544 | (574) 259-2172 |
| R A Stickler Jr Heating & Air 1643 Homewood Ave, Mishawaka 46544 | (574) 234-4511 |
| Refrigerated Services Inc 14755 Day Rd, Mishawaka 46545 | (574) 259-3797 |
| River City Heating Co 56020 Currant Rd, Mishawaka 46545 | (574) 255-4328 |
| Shambaugh & Son 56575 Twin Branch Dr, Mishawaka 46545 | (574) 255-2170 |
| T S Heating & Cooling 1120 Willow St, Mishawaka 46545 | (574) 288-1941 |
| Warranty Heating & Air Inc 1118 N Logan St, Mishawaka 46545 | (574) 259-3090 |
| Weaver Heating & Cooling Inc 59851 Elm Rd, Mishawaka 46544 | (574) 259-9941 |