Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First Community Bank | Newell, IA | 01-01-1912 | $120,614 | BK |
| Farmers and Merchants Savings Bank | Iowa City, IA | 09-25-1901 | $120,557 | BK |
| United Bank & Trust Co. | Marshalltown, IA | 06-21-2002 | $118,524 | BK |
| NORTH IOWA COMMUNITY | MASON CITY, IA | 01-01-1956 | $117,589 | CU |
| Bridge Community Bank | Mount Vernon, IA | 09-08-1903 | $117,356 | BK |
| Cedar Valley Bank & Trust | La Porte City, IA | 07-06-1906 | $116,444 | BK |
| FNNB Bank | Newton, IA | 03-28-1932 | $115,667 | BK |
| Maynard Savings Bank | Maynard, IA | 01-01-1895 | $111,428 | BK |
| Corydon State Bank | Corydon, IA | 01-01-1926 | $111,285 | BK |
| Pocahontas State Bank | Pocahontas, IA | 07-01-1926 | $111,112 | BK |
| Security State Bank | Radcliffe, IA | 10-14-1914 | $110,813 | BK |
| Security State Bank | Algona, IA | 03-01-1931 | $109,079 | BK |
| Community Bank of Oelwein | Oelwein, IA | 10-01-1998 | $106,158 | BK |
| RIVER VALLEY | AMES, IA | 01-01-1961 | $103,319 | CU |
| Sibley State Bank | Sibley, IA | 01-01-1894 | $101,010 | BK |