Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Peoples National Bank , N.A. | Mount Vernon, IL | 03-01-1909 | $1,802,854 | BK |
| CNB Bank and Trust, N.A. | Carlinville, IL | 01-01-1888 | $1,772,263 | BK |
| Crystal Lake Bank and Trust Company, National Association | Crystal Lake, IL | 12-19-1997 | $1,764,929 | BK |
| Bank of Springfield | Springfield, IL | 10-29-1965 | $1,720,959 | BK |
| SCOTT | Edwardsville, IL | 01-01-1943 | $1,717,822 | CU |
| American Commercial Bank & Trust, National Association | Ottawa, IL | 06-01-1865 | $1,672,331 | BK |
| Providence Bank & Trust | South Holland, IL | 09-20-2004 | $1,636,875 | BK |
| First State Bank | Mendota, IL | 07-06-1940 | $1,534,440 | BK |
| Evergreen Bank Group | Oak Brook, IL | 10-05-1999 | $1,476,005 | BK |
| GREAT LAKES | BANNOCKBURN, IL | 01-01-1938 | $1,474,361 | CU |
| BankFinancial, National Association | Olympia Fields, IL | 01-01-1924 | $1,409,470 | BK |
| Dieterich Bank | Effingham, IL | 01-01-1909 | $1,407,708 | BK |
| Central Bank Illinois | Geneseo, IL | 02-01-1907 | $1,393,517 | BK |
| CREDIT UNION 1 | Rantoul, IL | 01-01-1958 | $1,226,789 | CU |
| The Federal Savings Bank | Chicago, IL | 07-03-2000 | $1,201,691 | BK |