| Business | Phone |
| Calvary Christian Fellowship 302 W High St, St Marys 45885 | (419) 394-7276 |
| Church Of Jesus Christ Of Lds 925 Glenbrook Dr, St Marys 45885 | (419) 394-8185 |
| First Baptist Church 101 S Wayne St, St Marys 45885 | (419) 394-3494 |
| First Church Of God 500 Defiance St, St Marys 45885 | (419) 394-7198 |
| First Church Of The Nazarene 390 Indiana Ave, St Marys 45885 | (419) 394-4833 |
| First Presbyterian Church 1025 Greenville Rd, St Marys 45885 | (419) 394-5059 |
| First Wesleyan Church 128 S Spruce St, St Marys 45885 | (419) 394-6900 |
| Grace United Methodist Church 237 N Pine St, St Marys 45885 | (419) 394-2025 |
| Hillsdale Baptist Church 1001 Holly St, St Marys 45885 | (419) 394-8514 |
| Hillsdale United Brethren 701 Holly St, St Marys 45885 | (419) 394-3601 |
| Holy Rosary Church 511 E Spring St, St Marys 45885 | (419) 394-5050 |
| Living Hope Assembly Of God 1130 Indiana Ave, St Marys 45885 | (419) 394-5711 |
| New Community Church 1880 Celina Rd, St Marys 45885 | (419) 394-8111 |
| North Street Community-Christ 520 W North St, St Marys 45885 | (419) 394-1181 |
| Northwestern Ohio Church Org 272 Jack Oak Point Rd, St Marys 45885 | (419) 394-4517 |
| St Johns Lutheran Church 15403 Glynwood New Knoxville R, St Marys 45885 | (419) 738-6746 |
| St Marys Missionary Bapt Chr 04990 County Road 33a, St Marys 45885 | (419) 300-7000 |
| St Paul's United Church 201 N Perry St, St Marys 45885 | (419) 394-3811 |
| Walnut Grove Methodist Church 17519 County Road 66a, St Marys 45885 | (419) 394-3187 |
| Wayne St United Methodist Chr 130 N Wayne St, St Marys 45885 | (419) 394-3615 |
| Zion Lutheran Church 210 N Wayne St, St Marys 45885 | (419) 394-3115 |