Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Community Savings Bank | Chicago, IL | 01-01-1925 | $412,647 | BK |
| First National Bank & Trust Company | Clinton, IL | 06-01-1872 | $402,428 | BK |
| Alliance Community Bank | Petersburg, IL | 05-18-1910 | $401,203 | BK |
| First Secure Bank and Trust Co. | Palos Hills, IL | 10-21-1977 | $394,388 | BK |
| IAA | Bloomington, IL | 01-01-1951 | $385,599 | CU |
| The First National Bank of Allendale | Allendale, IL | 01-01-1906 | $384,380 | BK |
| STREATOR ONIZED | Streator, IL | 01-01-1940 | $383,202 | CU |
| Grand Ridge National Bank | Wheaton, IL | 04-06-1903 | $382,958 | BK |
| State Bank | Freeport, IL | 05-24-1999 | $381,412 | BK |
| Union National Bank and Trust Company of Elgin | Elgin, IL | 05-21-1904 | $374,097 | BK |
| ABRI | Romeoville, IL | 01-01-1949 | $372,281 | CU |
| First Trust Bank of Illinois | Kankakee, IL | 07-30-1998 | $368,877 | BK |
| Community State Bank | Galva, IL | 11-24-1980 | $367,754 | BK |
| PARTNERSHIP FINANCIAL | MORTON GROVE, IL | 01-01-1958 | $366,517 | CU |
| Byron Bank | Byron, IL | 07-01-1932 | $362,791 | BK |