Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Hickory Point Bank and Trust | Decatur, IL | 06-04-1979 | $713,389 | BK |
| Midwest Bank | Monmouth, IL | 09-09-1870 | $703,409 | BK |
| Time Bank | Park Ridge, IL | 07-03-1995 | $693,289 | BK |
| BankOrion | Orion, IL | 05-21-1890 | $676,097 | BK |
| Prospect Bank | Paris, IL | 03-23-1873 | $675,953 | BK |
| Longview Bank | Ogden, IL | 09-01-1899 | $672,118 | BK |
| Constitution Bank, National Association | Hillsboro, IL | 07-02-1945 | $659,873 | BK |
| R.I.A. | Rock Island, IL | 01-01-1935 | $659,343 | CU |
| The Bradford National Bank of Greenville | Greenville, IL | 01-01-1867 | $655,588 | BK |
| Legence Bank | Eldorado, IL | 01-01-1906 | $648,646 | BK |
| MidAmerica National Bank | Canton, IL | 11-22-1933 | $640,200 | BK |
| Apple River State Bank | Apple River, IL | 01-05-1948 | $638,557 | BK |
| Bank & Trust Company | Litchfield, IL | 09-01-1902 | $633,157 | BK |
| TrustBank | Olney, IL | 09-13-1912 | $628,361 | BK |
| Stillman BancCorp N.A. | Stillman Valley, IL | 06-09-1882 | $625,171 | BK |