Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The Citizens National Bank of Bluffton | Bluffton, OH | 01-13-1920 | $1,024,716 | BK |
| The North Side Bank and Trust Company | Cincinnati, OH | 01-01-1892 | $995,954 | BK |
| The Killbuck Savings Bank Company | Killbuck, OH | 01-01-1900 | $849,870 | BK |
| The Old Fort Banking Company | Old Fort, OH | 01-16-1916 | $821,326 | BK |
| DAY AIR | Kettering, OH | 01-01-1944 | $821,028 | CU |
| Mechanics Bank | Mansfield, OH | 01-01-1886 | $820,510 | BK |
| Unified Bank | Martins Ferry, OH | 01-01-1902 | $818,124 | BK |
| The Peoples Bank Co. | Coldwater, OH | 11-20-1905 | $798,499 | BK |
| First Federal Community Bank, National Association | Dover, OH | 01-01-1898 | $785,904 | BK |
| CINFED | Cincinnati, OH | 01-01-1975 | $736,994 | CU |
| Minster Bank | Minster, OH | 01-23-1914 | $734,254 | BK |
| BMI | Dublin, OH | 01-01-1936 | $708,901 | CU |
| ATOMIC | Piketon, OH | 01-01-1955 | $686,981 | CU |
| DOVER-PHILA | Dover, OH | 01-01-1953 | $680,163 | CU |
| The Genoa Banking Company | Genoa, OH | 09-09-1902 | $647,431 | BK |