| Business | Phone |
| J & S Concrete Tiffin 44883 | (419) 443-0516 |
| Kirsh Concrete Tiffin 44883 | (419) 443-8441 |
| Miller Poured Walls 5311 N Township Road 137, Tiffin 44883 | (419) 447-6385 |
| S C Masonry & Construction 2178 W Township Road 18, Tiffin 44883 | (419) 447-3809 |