Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| TELHIO | Columbus, OH | 01-01-1935 | $1,396,469 | CU |
| The Ohio Valley Bank Company | Gallipolis, OH | 01-01-1872 | $1,388,164 | BK |
| Main Street Bank Corp. | Wooster, OH | 01-01-1899 | $1,363,343 | BK |
| The State Bank and Trust Company | Defiance, OH | 03-28-1902 | $1,332,919 | BK |
| The Merchants National Bank | Hillsboro, OH | 12-25-1879 | $1,320,441 | BK |
| DIRECTIONS | Toledo, OH | 01-01-1953 | $1,258,037 | CU |
| Guardian Savings Bank | West Chester, OH | 01-01-1895 | $1,233,951 | BK |
| Liberty Savings Bank, F.S.B. | Wilmington, OH | 09-14-1984 | $1,226,678 | BK |
| Signature Bank, National Association | Toledo, OH | 04-02-2002 | $1,198,623 | BK |
| The Richwood Banking Company | Richwood, OH | 07-01-1867 | $1,185,558 | BK |
| The Commercial and Savings Bank of Millersburg, Ohio | Millersburg, OH | 01-01-1879 | $1,166,934 | BK |
| The Union Bank Company | Columbus Grove, OH | 11-21-1904 | $1,141,892 | BK |
| The Croghan Colonial Bank | Fremont, OH | 07-25-1888 | $1,122,595 | BK |
| Consumers National Bank | Minerva, OH | 09-01-1965 | $1,096,220 | BK |
| First State Bank | Winchester, OH | 01-01-1934 | $1,067,774 | BK |