| Business | Phone |
| Clearwater Council Of Govts 8200 W State Route 163, Oak Harbor 43449 | (419) 898-8264 |
| Oh State Univ Ext-Ottawa Ctyn 240 W Lake St # C, Oak Harbor 43449 | (419) 898-3631 |
| Ottawa Cnty Mental Retardation 8200 W State Route 163, Oak Harbor 43449 | (419) 898-0400 |
| Ottawa County Board-Elections 8444 W State Route 163 # 101, Oak Harbor 43449 | (419) 898-3071 |
| Ottawa County Dog Warden 8400 W State Route 163, Oak Harbor 43449 | (419) 898-1368 |
| Ottawa County Highway Garage 8247 W State Route 163, Oak Harbor 43449 | (419) 898-6463 |
| Ottawa County Veterans Svc 8444 W State Route 163 # 102, Oak Harbor 43449 | (419) 898-2089 |
| Ottawa Soil & Water 240 W Lake St # B, Oak Harbor 43449 | (419) 898-1595 |