Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Waukon State Bank | Waukon, IA | 01-01-1871 | $412,903 | BK |
| The Libertyville Savings Bank | Fairfield, IA | 09-16-1901 | $396,162 | BK |
| Premier Bank | Dubuque, IA | 10-13-1998 | $371,182 | BK |
| First Iowa State Bank | Albia, IA | 05-12-1930 | $366,088 | BK |
| Earlham Savings Bank | West Des Moines, IA | 01-01-1931 | $362,313 | BK |
| Iowa State Bank | Clarksville, IA | 01-01-1918 | $362,001 | BK |
| First State Bank | Lynnville, IA | 01-01-1912 | $358,723 | BK |
| Farmers Trust and Savings Bank | Buffalo Center, IA | 01-01-1914 | $354,871 | BK |
| Kerndt Brothers Savings Bank | Lansing, IA | 01-14-1908 | $352,249 | BK |
| Hardin County Savings Bank | Eldora, IA | 01-01-1868 | $350,581 | BK |
| PREMIER | Des Moines, IA | 01-01-1933 | $338,736 | CU |
| PCSB Bank | Clarinda, IA | 01-01-1866 | $332,025 | BK |
| Community State Bank | Spencer, IA | 01-01-1914 | $328,394 | BK |
| New Albin Savings Bank | New Albin, IA | 01-01-1898 | $324,511 | BK |
| American State Bank | Osceola, IA | 04-23-1987 | $323,256 | BK |