Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| FOR MEMBERS ONLY | Chicago, IL | 01-01-2023 | $5,900 | CU |
| DEKALB COUNTY | DEKALB, IL | 01-01-1952 | $5,812 | CU |
| FIRST SECURITY | LINCOLNWOOD, IL | 01-01-1930 | $5,765 | CU |
| DANVILLE CONSOLIDATED | Danville, IL | 01-01-1950 | $5,703 | CU |
| EFFINGHAM HIGHWAY | Effingham, IL | 01-01-0000 | $5,619 | CU |
| CARBONDALE HIGHWAY | Carbondale, IL | 01-01-1951 | $5,599 | CU |
| MORRISON COMMUNITY | MORRISON, IL | 01-01-1963 | $5,502 | CU |
| MURRAY EMPLOYEES | Centralia, IL | 01-01-1967 | $5,469 | CU |
| SOUTH SIDE COMMUNITY | Chicago, IL | 01-01-2003 | $5,447 | CU |
| ARMSTRONG PREFERRED MEMBERS | BOURBONNAIS, IL | 01-01-1960 | $5,411 | CU |
| LASALLE COUNTY SCHOOL EMPLOYEES | Ottawa, IL | 01-01-1959 | $5,342 | CU |
| DECATUR POLICEMEN | Decatur, IL | 01-01-1936 | $5,312 | CU |
| ROMEOVILLE COMMUNITY | Romeoville, IL | 01-01-1969 | $5,297 | CU |
| ELGIN MENTAL HEALTH CENTER | ELGIN, IL | 01-01-1955 | $5,268 | CU |
| ALTON AREA EMPLOYEES | Alton, IL | 01-01-1971 | $5,224 | CU |