Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| SELFRELIANCE | Chicago, IL | 01-01-1951 | $1,185,427 | CU |
| Bank of Pontiac | Pontiac, IL | 09-06-1947 | $1,178,764 | BK |
| American Community Bank & Trust | Woodstock, IL | 03-13-2000 | $1,177,625 | BK |
| ABBOTT LABORATORIES | Gurnee, IL | 01-01-0000 | $1,141,254 | CU |
| The Federal Savings Bank | Chicago, IL | 07-03-2000 | $1,080,675 | BK |
| Belmont Bank & Trust Company | Chicago, IL | 06-14-2006 | $1,050,480 | BK |
| First Southern Bank | Marion, IL | 12-15-1937 | $1,042,148 | BK |
| 1ST MIDAMERICA | Bethalto, IL | 01-01-1934 | $1,014,101 | CU |
| Cornerstone National Bank & Trust Company | Palatine, IL | 10-16-2000 | $1,007,582 | BK |
| International Bank of Chicago | Chicago, IL | 10-26-1992 | $982,667 | BK |
| ALERO FINANCIAL | Elgin, IL | 01-01-1976 | $953,520 | CU |
| NUMARK | Joliet, IL | 01-01-1954 | $932,194 | CU |
| First National Bank of Waterloo | Waterloo, IL | 06-12-1912 | $929,324 | BK |
| Fortress Bank | Peoria, IL | 01-04-1904 | $897,175 | BK |
| Farmers National Bank | Prophetstown, IL | 07-01-1902 | $895,663 | BK |