Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Main Street Bank Corp. | Wooster, OH | 01-01-1899 | $1,410,785 | BK |
| The State Bank and Trust Company | Defiance, OH | 03-28-1902 | $1,369,399 | BK |
| Guardian Savings Bank | West Chester, OH | 01-01-1895 | $1,318,382 | BK |
| The Merchants National Bank | Hillsboro, OH | 12-25-1879 | $1,315,856 | BK |
| DIRECTIONS | Toledo, OH | 01-01-1953 | $1,304,254 | CU |
| Signature Bank, National Association | Toledo, OH | 04-02-2002 | $1,258,022 | BK |
| The Richwood Banking Company | Richwood, OH | 07-01-1867 | $1,217,625 | BK |
| Liberty Savings Bank, F.S.B. | Wilmington, OH | 09-14-1984 | $1,204,840 | BK |
| The Commercial and Savings Bank of Millersburg, Ohio | Millersburg, OH | 01-01-1879 | $1,191,045 | BK |
| The Union Bank Company | Columbus Grove, OH | 11-21-1904 | $1,185,484 | BK |
| The Croghan Colonial Bank | Fremont, OH | 07-25-1888 | $1,150,445 | BK |
| The North Side Bank and Trust Company | Cincinnati, OH | 01-01-1892 | $1,114,839 | BK |
| Consumers National Bank | Minerva, OH | 09-01-1965 | $1,109,896 | BK |
| The Citizens National Bank of Bluffton | Bluffton, OH | 01-13-1920 | $1,064,586 | BK |
| First State Bank | Winchester, OH | 01-01-1934 | $1,036,573 | BK |