Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| UNITED SERVICE | Des Moines, IA | 01-01-1955 | $40,949 | CU |
| SIOUX VALLEY COMMUNITY | SIOUX CITY, IA | 01-01-1952 | $40,526 | CU |
| State Bank of Schaller | Schaller, IA | 01-01-1898 | $39,602 | BK |
| Defiance State Bank | Defiance, IA | 09-01-1951 | $39,187 | BK |
| Heritage Bank | Marion, IA | 03-01-1899 | $38,720 | BK |
| PUBLIC EMPLOYEES | Waterloo, IA | 01-01-1952 | $36,653 | CU |
| The First National Bank of Primghar | Primghar, IA | 11-11-1889 | $35,609 | BK |
| Farmers State Bank | Lake View, IA | 01-01-1914 | $35,538 | BK |
| ACE COMMUNITY | Ames, IA | 01-01-1930 | $35,494 | CU |
| MERIDIAN | Ottumwa, IA | 01-01-1952 | $33,692 | CU |
| American Trust and Savings Bank | Lowden, IA | 10-01-1913 | $33,240 | BK |
| TOWN AND COUNTRY | Harlan, IA | 01-01-1939 | $32,859 | CU |
| IOWA HEARTLAND | MASON CITY, IA | 01-01-1932 | $30,981 | CU |
| HOLY GHOST PARISH | DUBUQUE, IA | 01-01-1935 | $30,255 | CU |
| RIVER COMMUNITY | Ottumwa, IA | 01-01-1928 | $30,173 | CU |