Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Farmers National Bank of Griggsville | Griggsville, IL | 02-13-1943 | $155,326 | BK |
| Union Federal Savings and Loan Association | Kewanee, IL | 01-01-1890 | $150,051 | BK |
| North Central Bank | Hennepin, IL | 12-07-1946 | $149,020 | BK |
| SmartBiz Bank, National Association | Northbrook, IL | 04-14-2006 | $148,148 | BK |
| The First National Bank of Arenzville | Arenzville, IL | 01-01-1882 | $146,917 | BK |
| Heritage Bank of Schaumburg | Schaumburg, IL | 08-08-1974 | $145,320 | BK |
| The Iuka State Bank | Salem, IL | 12-10-1910 | $141,955 | BK |
| DeWitt Savings Bank | Clinton, IL | 01-01-1887 | $140,909 | BK |
| Philo Exchange Bank | Philo, IL | 01-01-1883 | $139,368 | BK |
| First National Bank in Pinckneyville | Pinckneyville, IL | 01-01-1901 | $137,948 | BK |
| National Bank of St. Anne | St. Anne, IL | 12-04-1948 | $135,611 | BK |
| First Community Bank of Hillsboro | Hillsboro, IL | 05-29-1998 | $132,139 | BK |
| Du Quoin State Bank | Du Quoin, IL | 04-17-1915 | $131,678 | BK |
| The Litchfield National Bank | Litchfield, IL | 05-01-1907 | $131,635 | BK |
| Liberty Bank | Liberty, IL | 06-23-1903 | $130,139 | BK |