| Business | Phone |
| Collier's Heating & Air Cond 702 S Jefferson St, Ossian 46777 | (260) 622-6622 |
| Collier's Heating & Air Condit Ossian 46777 | (260) 824-4822 |
| M & L Heating & Air Cond Ossian 46777 | (260) 622-6358 |
| Meyer Heating & Ac 616 Maplewood Dr, Ossian 46777 | (260) 622-6610 |