Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Resource Bank, National Association | Dekalb, IL | 10-01-1901 | $861,750 | BK |
| Liberty Bank for Savings | Chicago, IL | 01-01-1898 | $856,258 | BK |
| Fortress Bank | Peoria, IL | 01-04-1904 | $839,333 | BK |
| CORPORATE AMERICA FAMILY | Elgin, IL | 01-01-1976 | $829,822 | CU |
| CIBM Bank | Champaign, IL | 01-01-1921 | $825,048 | BK |
| Millennium Bank | Des Plaines, IL | 07-02-2007 | $810,984 | BK |
| Prairie State Bank and Trust | Springfield, IL | 11-04-1988 | $805,671 | BK |
| First Savings Bank of Hegewisch | Chicago, IL | 01-01-1914 | $794,422 | BK |
| Itasca Bank & Trust Co. | Itasca, IL | 01-24-1948 | $776,732 | BK |
| Home State Bank, National Association | Crystal Lake, IL | 01-01-1915 | $768,003 | BK |
| UNIVERSITY OF ILLINOIS COMMUNITY | Champaign, IL | 01-01-1932 | $755,509 | CU |
| Sauk Valley Bank & Trust Company | Sterling, IL | 07-09-1999 | $736,217 | BK |
| Albany Bank and Trust Company National Association | Chicago, IL | 06-27-1953 | $729,563 | BK |
| The Peoples State Bank of Newton, Illinois | Newton, IL | 01-01-1875 | $719,681 | BK |
| First Neighbor Bank, National Association | Toledo, IL | 01-01-1933 | $717,895 | BK |