| Business | Phone |
| County Fairgrounds 1490 E 2nd, Ottawa 45875 | (419) 523-4628 |
| County Garage 304 E 2nd St, Ottawa 45875 | (419) 523-6832 |
| Putnam County Engineer's Office 345 E Main St # 205, Ottawa 45875 | (419) 523-6931 |
| Putnam County Farm Svc Agency 1800 N Perry St # 107, Ottawa 45875 | (419) 523-4871 |
| Putnam County Prosecutor 234 E Main St, Ottawa 45875 | (419) 523-3600 |
| Putnam County Recorder 245 E Main St # 202, Ottawa 45875 | (419) 523-6490 |
| Putnam County Veterans Svc 133 Court St, Ottawa 45875 | (419) 523-4478 |
| Putnam Cnty Board Of Election 245 E Main St # 102, Ottawa 45875 | (419) 523-3343 |
| Putnam County Adult Probatio 331 E Main St, Ottawa 45875 | (419) 523-4821 |
| Putnam County Co-Op Extension 219 S Oak St, Ottawa 45875 | (419) 523-6294 |
| Putnam County Commissioners 245 E Main St # 101, Ottawa 45875 | (419) 523-3656 |