Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Albany Bank and Trust Company National Association | Chicago, IL | 06-27-1953 | $711,671 | BK |
| Time Bank | Park Ridge, IL | 07-03-1995 | $703,821 | BK |
| UNIVERSITY OF ILLINOIS COMMUNITY | Champaign, IL | 01-01-1932 | $702,652 | CU |
| Midwest Bank | Monmouth, IL | 09-09-1870 | $694,737 | BK |
| The Peoples State Bank of Newton, Illinois | Newton, IL | 01-01-1875 | $694,137 | BK |
| Prospect Bank | Paris, IL | 03-23-1873 | $689,096 | BK |
| BankOrion | Orion, IL | 05-21-1890 | $679,272 | BK |
| First Neighbor Bank, National Association | Toledo, IL | 01-01-1933 | $662,263 | BK |
| MidAmerica National Bank | Canton, IL | 11-22-1933 | $654,448 | BK |
| Constitution Bank, National Association | Hillsboro, IL | 07-02-1945 | $652,736 | BK |
| Legence Bank | Eldorado, IL | 01-01-1906 | $649,752 | BK |
| R.I.A. | Rock Island, IL | 01-01-1935 | $636,141 | CU |
| Longview Bank | Ogden, IL | 09-01-1899 | $635,513 | BK |
| The Bradford National Bank of Greenville | Greenville, IL | 01-01-1867 | $632,795 | BK |
| Apple River State Bank | Apple River, IL | 01-05-1948 | $630,366 | BK |