Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Fairfax State Savings Bank | Fairfax, IA | 10-20-1924 | $286,953 | BK |
| Pioneer Bank | Sergeant Bluff, IA | 01-01-1907 | $282,798 | BK |
| Guthrie County State Bank | Panora, IA | 10-17-1931 | $279,225 | BK |
| DeWitt Bank & Trust Co. | Dewitt, IA | 06-15-1933 | $277,340 | BK |
| Success Bank | Bloomfield, IA | 01-01-1900 | $277,125 | BK |
| Reliance State Bank | Story City, IA | 01-28-1928 | $276,805 | BK |
| Iowa State Savings Bank | Creston, IA | 01-01-1883 | $276,508 | BK |
| FNB Bank | Fontanelle, IA | 08-23-1905 | $274,629 | BK |
| Farmers and Merchants State Bank | Winterset, IA | 08-11-1938 | $271,742 | BK |
| Cherokee State Bank | Cherokee, IA | 10-08-1888 | $271,111 | BK |
| Mediapolis Savings Bank | Mediapolis, IA | 09-16-1940 | $269,855 | BK |
| Freedom Financial Bank | West Des Moines, IA | 02-22-1999 | $269,251 | BK |
| Westside State Bank | Westside, IA | 06-01-1907 | $268,714 | BK |
| Security Trust & Savings Bank | Storm Lake, IA | 01-01-1908 | $266,430 | BK |
| The Citizens First National Bank of Storm Lake | Storm Lake, IA | 02-01-1902 | $256,452 | BK |