Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First National Bank in Pinckneyville | Pinckneyville, IL | 01-01-1901 | $138,388 | BK |
| State Bank of Cherry | Cherry, IL | 05-06-1906 | $137,617 | BK |
| Streator Home Savings Bank | Streator, IL | 01-01-1894 | $137,043 | BK |
| Southern Illinois Bank | Johnston City, IL | 09-10-1999 | $136,492 | BK |
| The Litchfield National Bank | Litchfield, IL | 05-01-1907 | $135,659 | BK |
| Rushville State Bank | Rushville, IL | 01-01-1890 | $134,757 | BK |
| UNITED COMMUNITY | Quincy, IL | 01-01-1941 | $134,131 | CU |
| Bank of Kampsville | Kampsville, IL | 12-01-1908 | $134,098 | BK |
| First Community Bank of Hillsboro | Hillsboro, IL | 05-29-1998 | $133,283 | BK |
| The Iuka State Bank | Salem, IL | 12-10-1910 | $133,016 | BK |
| GAS AND ELECTRIC | ROCK ISLAND, IL | 01-01-1935 | $132,134 | CU |
| Farmers State Bank & Trust Co. | Mount Sterling, IL | 06-01-1914 | $130,200 | BK |
| 1st Equity Bank | Skokie, IL | 06-09-1997 | $130,024 | BK |
| COMMONWEALTH | Bourbonnais, IL | 01-01-1951 | $128,117 | CU |
| ILLINOIS STATE POLICE | Springfield, IL | 01-01-1966 | $126,915 | CU |