Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Time Bank | Park Ridge, IL | 07-03-1995 | $710,651 | BK |
| The Peoples State Bank of Newton, Illinois | Newton, IL | 01-01-1875 | $695,514 | BK |
| Sauk Valley Bank & Trust Company | Sterling, IL | 07-09-1999 | $685,167 | BK |
| UNIVERSITY OF ILLINOIS COMMUNITY | Champaign, IL | 01-01-1932 | $678,166 | CU |
| Midwest Bank | Monmouth, IL | 09-09-1870 | $677,013 | BK |
| Millennium Bank | Des Plaines, IL | 07-02-2007 | $654,643 | BK |
| Legence Bank | Eldorado, IL | 01-01-1906 | $645,708 | BK |
| First Neighbor Bank, National Association | Toledo, IL | 01-01-1933 | $643,763 | BK |
| BankOrion | Orion, IL | 05-21-1890 | $640,223 | BK |
| The Fairfield National Bank | Fairfield, IL | 02-03-1903 | $640,024 | BK |
| Longview Bank | Ogden, IL | 09-01-1899 | $636,265 | BK |
| MidAmerica National Bank | Canton, IL | 11-22-1933 | $629,695 | BK |
| The Bradford National Bank of Greenville | Greenville, IL | 01-01-1867 | $623,834 | BK |
| Bank of Hillsboro, National Association | Hillsboro, IL | 07-02-1945 | $620,966 | BK |
| R.I.A. | Rock Island, IL | 01-01-1935 | $618,332 | CU |