Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| State Bank of Schaller | Schaller, IA | 01-01-1898 | $41,527 | BK |
| NISHNA VALLEY | ATLANTIC, IA | 01-01-1957 | $41,438 | CU |
| Defiance State Bank | Defiance, IA | 09-01-1951 | $41,388 | BK |
| SIOUX VALLEY COMMUNITY | SIOUX CITY, IA | 01-01-1952 | $41,202 | CU |
| UNITED SERVICE | Des Moines, IA | 01-01-1955 | $40,949 | CU |
| Heritage Bank | Marion, IA | 03-01-1899 | $40,428 | BK |
| The First National Bank of Primghar | Primghar, IA | 11-11-1889 | $37,753 | BK |
| PUBLIC EMPLOYEES | Waterloo, IA | 01-01-1952 | $36,653 | CU |
| Farmers State Bank | Lake View, IA | 01-01-1914 | $36,584 | BK |
| ACE COMMUNITY | Ames, IA | 01-01-1930 | $35,494 | CU |
| MERIDIAN | Ottumwa, IA | 01-01-1952 | $35,347 | CU |
| American Trust and Savings Bank | Lowden, IA | 10-01-1913 | $33,605 | BK |
| TOWN AND COUNTRY | Harlan, IA | 01-01-1939 | $32,859 | CU |
| IOWA HEARTLAND | MASON CITY, IA | 01-01-1932 | $30,726 | CU |
| RIVER COMMUNITY | Ottumwa, IA | 01-01-1928 | $30,496 | CU |