| Business | Phone |
| Township Office 12102 State Route 725, Germantown 45327 | (937) 855-7215 |
| Township Trustees 12102 State Route 725, Germantown 45327 | (937) 855-2007 |
| Germantown Accounts Payable Germantown 45327 | (937) 855-7217 |
| Germantown Finance Office 75 N Walnut St, Germantown 45327 | (937) 855-7257 |
| Germantown Village Office 75 N Walnut St, Germantown 45327 | (937) 855-7258 |
| Germantown Water Maintenance 150 E Gunckel St, Germantown 45327 | (937) 855-7249 |