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 | $1,874,648 | BK |
| Crystal Lake Bank and Trust Company, National Association | Crystal Lake, IL | 12-19-1997 | $1,832,095 | BK |
| CNB Bank and Trust, N.A. | Carlinville, IL | 01-01-1888 | $1,795,849 | BK |
| SCOTT | Edwardsville, IL | 01-01-1943 | $1,781,460 | CU |
| American Commercial Bank & Trust, National Association | Ottawa, IL | 06-01-1865 | $1,764,192 | BK |
| Bank of Springfield | Springfield, IL | 10-29-1965 | $1,750,082 | BK |
| Providence Bank & Trust | South Holland, IL | 09-20-2004 | $1,595,496 | BK |
| GREAT LAKES | BANNOCKBURN, IL | 01-01-1938 | $1,535,912 | CU |
| First State Bank | Mendota, IL | 07-06-1940 | $1,534,280 | BK |
| BankFinancial, National Association | Olympia Fields, IL | 01-01-1924 | $1,433,172 | BK |
| Evergreen Bank Group | Oak Brook, IL | 10-05-1999 | $1,401,243 | BK |
| Central Bank Illinois | Geneseo, IL | 02-01-1907 | $1,390,485 | BK |
| Dieterich Bank | Effingham, IL | 01-01-1909 | $1,382,607 | BK |
| CREDIT UNION 1 | Rantoul, IL | 01-01-1958 | $1,226,789 | CU |
| First Bankers Trust Company, National Association | Quincy, IL | 10-23-1946 | $1,193,185 | BK |