Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The Fairfield National Bank | Fairfield, IL | 02-03-1903 | $623,140 | BK |
| Peoples Bank & Trust | Pana, IL | 05-01-1954 | $618,052 | BK |
| First Eagle Bank | Chicago, IL | 02-14-1985 | $610,592 | BK |
| The First National Bank of Carmi | Carmi, IL | 12-20-1893 | $602,993 | BK |
| FNBC Bank & Trust | La Grange, IL | 08-17-1908 | $597,635 | BK |
| NATIONAL POLICE | CHICAGO, IL | 01-01-1938 | $589,524 | CU |
| Peoples National Bank of Kewanee | Kewanee, IL | 03-01-1928 | $587,327 | BK |
| Washington Savings Bank | Effingham, IL | 01-01-1883 | $586,243 | BK |
| DUPAGE | Naperville, IL | 01-01-1955 | $581,076 | CU |
| FINANCIAL PLUS | OTTAWA, IL | 01-01-1951 | $580,230 | CU |
| SIU | Carbondale, IL | 01-01-1938 | $560,968 | CU |
| HEARTLAND | Springfield, IL | 01-01-1946 | $554,823 | CU |
| Bank of Belleville | Belleville, IL | 11-04-2005 | $547,518 | BK |
| Lisle Savings Bank | Lisle, IL | 01-01-1917 | $544,915 | BK |
| Pan American Bank & Trust | Melrose Park, IL | 12-22-1995 | $541,959 | BK |