| Business | Phone |
| Noble Township Hall 16586 County Road 66a, St Marys 45885 | (419) 394-2531 |
| St Mary's Light Distribution 1100 E Spring St, St Marys 45885 | (419) 394-2476 |
| St Marys City Office 101 E Spring St, St Marys 45885 | (419) 394-3303 |
| St Marys City Offices Emrgncy St Marys 45885 | (419) 000-1111 |
| St Marys Electric Light Plant 335 N Chestnut St, St Marys 45885 | (419) 394-4233 |
| St Marys Sewage Treatment Plnt 399 Hickory St, St Marys 45885 | (419) 394-5193 |
| St Marys Twp Clerk's Office 02386 State Route 219, St Marys 45885 | (419) 394-7171 |