| Business | Phone |
| Bank One 125 W Spring St, St Marys 45885 | (419) 394-2358 |
| Community First Bank & Trust 1210 Celina Rd, St Marys 45885 | (419) 394-7495 |
| Community First Bank & Trust 153 E Spring St, St Marys 45885 | (419) 394-3366 |
| Community First Bank & Trust 228 E South St, St Marys 45885 | (419) 394-7436 |
| Mercer Savings Bank 1166 Indiana Ave, St Marys 45885 | (419) 394-6335 |
| Minster Bank 301 W High St, St Marys 45885 | (419) 394-7831 |