Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Eureka Savings Bank | La Salle, IL | 01-01-1885 | $419,695 | BK |
| First National Bank & Trust Company | Clinton, IL | 06-01-1872 | $414,880 | BK |
| Alliance Community Bank | Petersburg, IL | 05-18-1910 | $410,441 | BK |
| Community Savings Bank | Chicago, IL | 01-01-1925 | $409,742 | BK |
| STREATOR ONIZED | Streator, IL | 01-01-1940 | $396,725 | CU |
| The First National Bank of Allendale | Allendale, IL | 01-01-1906 | $391,832 | BK |
| IAA | Bloomington, IL | 01-01-1951 | $389,914 | CU |
| PARTNERSHIP FINANCIAL | MORTON GROVE, IL | 01-01-1958 | $388,073 | CU |
| First National Bank of Brookfield | Brookfield, IL | 07-23-1962 | $386,253 | BK |
| First Trust Bank of Illinois | Kankakee, IL | 07-30-1998 | $377,023 | BK |
| First Secure Bank and Trust Co. | Palos Hills, IL | 10-21-1977 | $372,846 | BK |
| Community State Bank | Galva, IL | 11-24-1980 | $372,680 | BK |
| ABRI | Romeoville, IL | 01-01-1949 | $371,262 | CU |
| Bank of O'Fallon | O'Fallon, IL | 03-28-1960 | $371,231 | BK |
| Byron Bank | Byron, IL | 07-01-1932 | $370,745 | BK |