| Business | Phone |
| Comfort Zone Plus Ltd 28 Grandview Ct, Tiffin 44883 | (419) 447-9663 |
| Gardner Sons Heating & Ac 114 2nd Ave, Tiffin 44883 | (419) 447-4982 |
| Theis Services Inc 4683 S State Route 100, Tiffin 44883 | (419) 447-8918 |
| Tong's Air Cond Heating & Plbg 40 E Perry St, Tiffin 44883 | (419) 448-4335 |