Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| SIU | Carbondale, IL | 01-01-1938 | $541,975 | CU |
| HEARTLAND | Springfield, IL | 01-01-1946 | $528,450 | CU |
| Sterling Federal Bank, F.S.B. | Sterling, IL | 01-01-1885 | $520,787 | BK |
| Pan American Bank & Trust | Melrose Park, IL | 12-22-1995 | $517,814 | BK |
| First State Bank and Trust | Monticello, IL | 11-10-1945 | $513,967 | BK |
| First Secure Community Bank | Sugar Grove, IL | 02-07-2000 | $506,971 | BK |
| Bank of Belleville | Belleville, IL | 11-04-2005 | $503,024 | BK |
| REVITY | Granite City, IL | 01-01-1941 | $500,712 | CU |
| Germantown Trust & Savings Bank | Breese, IL | 02-06-1906 | $499,534 | BK |
| Citizens Community Bank | Mascoutah, IL | 12-21-1992 | $496,992 | BK |
| The FNB Community Bank | Vandalia, IL | 01-01-1865 | $486,080 | BK |
| Casey State Bank | Casey, IL | 01-01-1880 | $481,861 | BK |
| LAND OF LINCOLN | DECATUR, IL | 01-01-1947 | $477,653 | CU |
| American Eagle Bank | South Elgin, IL | 10-17-2002 | $476,000 | BK |
| HEALTHCARE ASSOCIATES | Lisle, IL | 01-01-1979 | $475,511 | CU |