Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Maquoketa State Bank | Maquoketa, IA | 09-02-1958 | $420,454 | BK |
| The Libertyville Savings Bank | Fairfield, IA | 09-16-1901 | $392,295 | BK |
| First Iowa State Bank | Albia, IA | 05-12-1930 | $385,810 | BK |
| Earlham Savings Bank | West Des Moines, IA | 01-01-1931 | $372,773 | BK |
| First State Bank | Lynnville, IA | 01-01-1912 | $367,471 | BK |
| Iowa State Bank | Clarksville, IA | 01-01-1918 | $364,475 | BK |
| Premier Bank | Dubuque, IA | 10-13-1998 | $358,493 | BK |
| Hardin County Savings Bank | Eldora, IA | 01-01-1868 | $356,405 | BK |
| Farmers Trust and Savings Bank | Buffalo Center, IA | 01-01-1914 | $355,292 | BK |
| PREMIER | Des Moines, IA | 01-01-1933 | $354,052 | CU |
| Kerndt Brothers Savings Bank | Lansing, IA | 01-14-1908 | $337,489 | BK |
| New Albin Savings Bank | New Albin, IA | 01-01-1898 | $331,333 | BK |
| Glenwood State Bank | Glenwood, IA | 01-01-1899 | $330,430 | BK |
| American State Bank | Osceola, IA | 04-23-1987 | $329,115 | BK |
| Citizens First Bank | Clinton, IA | 03-14-2000 | $327,977 | BK |