Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First National Bank of Brookfield | Brookfield, IL | 07-23-1962 | $358,135 | BK |
| OSB Community Bank | Ottawa, IL | 01-01-1871 | $353,596 | BK |
| Farmers State Bank of Alto Pass, Ill. | Alto Pass, IL | 01-01-1910 | $353,544 | BK |
| Bank of O'Fallon | O'Fallon, IL | 03-28-1960 | $353,228 | BK |
| Municipal Trust and Savings Bank | Bourbonnais, IL | 10-02-1981 | $350,502 | BK |
| Grundy Bank | Morris, IL | 09-16-1864 | $348,576 | BK |
| Shelby County State Bank | Shelbyville, IL | 05-11-1895 | $348,495 | BK |
| Teutopolis State Bank | Teutopolis, IL | 01-01-1905 | $347,655 | BK |
| Citizens National Bank of Albion | Albion, IL | 08-05-1940 | $346,446 | BK |
| Foresight Bank | Winnebago, IL | 01-06-1907 | $338,883 | BK |
| Peoples Bank of Kankakee County | Bourbonnais, IL | 06-20-1962 | $338,302 | BK |
| First National Bank of Pana | Pana, IL | 01-01-1930 | $337,682 | BK |
| The Fisher National Bank | Fisher, IL | 11-18-1955 | $336,829 | BK |
| FIRST NORTHERN | Chicago, IL | 01-01-1944 | $336,418 | CU |
| The Bank of Herrin | Herrin, IL | 04-12-1904 | $333,794 | BK |