Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The First National Bank of Manning | Manning, IA | 01-01-1886 | $78,580 | BK |
| IOWA COMMUNITY | Cedar Falls, IA | 01-01-1950 | $77,752 | CU |
| The Watkins Savings Bank | Watkins, IA | 01-01-1892 | $77,604 | BK |
| The Farmers State Bank | Marcus, IA | 12-28-1928 | $76,542 | BK |
| State Bank | Spencer, IA | 05-01-1944 | $75,574 | BK |
| Citizens Savings Bank | Marshalltown, IA | 01-01-1907 | $71,468 | BK |
| DES MOINES METRO | Des Moines, IA | 01-01-1938 | $69,895 | CU |
| Sloan State Bank | Sloan, IA | 10-19-1889 | $69,269 | BK |
| POWER CO-OP EMPLOYEES | Humboldt, IA | 01-01-1956 | $69,233 | CU |
| First State Bank | Nashua, IA | 02-21-2005 | $68,092 | BK |
| First Security Bank | Mapleton, IA | 10-03-1878 | $67,348 | BK |
| Farmers State Bank | Yale, IA | 03-21-1921 | $67,341 | BK |
| LENNOX EMPLOYEES | Marshalltown, IA | 01-01-1948 | $66,460 | CU |
| First Heritage Bank | Shenandoah, IA | 01-01-1903 | $64,040 | BK |
| Home State Bank | Royal, IA | 04-12-1915 | $60,948 | BK |