Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| OAK TRUST | Naperville, IL | 01-01-1964 | $43,156 | CU |
| Fairview State Banking Company | Fairview, IL | 07-01-1915 | $42,906 | BK |
| North Side Federal Savings and Loan Association of Chicago | Chicago, IL | 01-01-1934 | $42,800 | BK |
| MCHENRY COUNTY | CRYSTAL LAKE, IL | 01-01-1961 | $42,499 | CU |
| First State Bank of Van Orin | Van Orin, IL | 12-26-1919 | $41,979 | BK |
| SHERWIN WILLIAMS EMP. | South Holland, IL | 01-01-1936 | $40,683 | CU |
| B.A.E. | Barrington, IL | 01-01-1956 | $39,714 | CU |
| NORTHWEST MUNICIPAL | Des Plaines, IL | 01-01-1966 | $39,687 | CU |
| BLACKHAWK AREA | Savanna, IL | 01-01-1935 | $39,326 | CU |
| MWRD EMPLOYEES | CHICAGO, IL | 01-01-1953 | $38,823 | CU |
| STREATOR COMMUNITY | Streator, IL | 01-01-1950 | $38,469 | CU |
| LOYOLA UNIVERSITY EMPLOYEES | Maywood, IL | 01-01-1979 | $38,318 | CU |
| U.S.A. ONE NATIONAL | Matteson, IL | 01-01-0000 | $37,988 | CU |
| PLANITES | Chicago, IL | 01-01-1955 | $37,984 | CU |
| Country Trust Bank | Bloomington, IL | 05-01-2000 | $37,758 | BK |