Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Peoples Savings Bank | Indianola, IA | 11-20-1998 | $565,442 | BK |
| Capra Bank | Dubuque, IA | 01-21-1946 | $560,384 | BK |
| First Security Bank and Trust Company | Charles City, IA | 07-14-1903 | $554,250 | BK |
| Citizens State Bank | Monticello, IA | 03-11-1931 | $550,157 | BK |
| The Shelby County State Bank | Harlan, IA | 08-02-1909 | $547,705 | BK |
| ASCENTRA | Bettendorf, IA | 01-01-1950 | $543,908 | CU |
| Central State Bank | State Center, IA | 01-01-1902 | $542,469 | BK |
| South Ottumwa Savings Bank | Ottumwa, IA | 01-01-1903 | $541,678 | BK |
| Iowa Trust & Savings Bank | Emmetsburg, IA | 07-01-1929 | $541,607 | BK |
| American Bank, National Association | Le Mars, IA | 01-01-1887 | $538,273 | BK |
| American Bank and Trust Company, National Association | Davenport, IA | 01-05-1999 | $520,099 | BK |
| Midwest Heritage Bank, FSB | West Des Moines, IA | 04-01-1930 | $501,632 | BK |
| Grinnell State Bank | Grinnell, IA | 10-25-1925 | $493,042 | BK |
| Connection Bank | Fort Madison, IA | 07-01-1854 | $488,603 | BK |
| TS Bank | Treynor, IA | 06-01-1923 | $475,535 | BK |