| Business | Phone |
| Concord Township Trustees 2678 State Route 718, Troy 45373 | (937) 339-1492 |
| Elizabeth Township Board Of 5710 E Walnut Grv, Troy 45373 | (937) 335-1920 |
| Lost Creek Twp Trustees 101 Center, Troy 45373 | (937) 339-7251 |
| Troy City Billing & Collection 100 S Market St, Troy 45373 | (937) 335-4151 |
| Troy City Complaint Dept 100 S Market St, Troy 45373 | (937) 335-6103 |
| Troy City Engineer 100 S Market St, Troy 45373 | (937) 339-2641 |
| Troy City Operation Safeguard 19 E Race St, Troy 45373 | (937) 335-4321 |
| Troy Director Of Public Svc 100 S Market St, Troy 45373 | (937) 335-1725 |
| Troy Personnel Office 100 S Market St, Troy 45373 | (937) 339-7639 |
| Troy Planning Dept 100 S Market St, Troy 45373 | (937) 339-9481 |
| Troy Sewage Treatment Plant 1400 Dye Mill Rd, Troy 45373 | (937) 339-1410 |