| Business | Phone |
| Arnold-Lucius Construction Co 4320 W County Road 52, Tiffin 44883 | (419) 443-1387 |
| Bish Construction Co 1650 S Township Road 1186, Tiffin 44883 | (419) 448-4960 |
| Murphy's Building & Remodeling 911 S Township Road 1177, Tiffin 44883 | (419) 448-8907 |
| Ziegler Construction 109 Industrial Ave, Tiffin 44883 | (419) 443-8899 |