Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Exchange State Bank | Ames, IA | 01-01-1902 | $141,943 | BK |
| Readlyn Savings Bank | Readlyn, IA | 05-15-1904 | $141,479 | BK |
| Citizens Savings Bank | Spillville, IA | 01-01-1908 | $138,273 | BK |
| The State Bank of Toledo | Toledo, IA | 01-01-1927 | $137,252 | BK |
| First State Bank | Belmond, IA | 07-01-1933 | $135,060 | BK |
| Union State Bank | Winterset, IA | 01-02-1935 | $131,126 | BK |
| United Bank & Trust Co. | Marshalltown, IA | 06-21-2002 | $130,263 | BK |
| Community Bank | Dunlap, IA | 02-23-1926 | $128,461 | BK |
| Solon State Bank | Solon, IA | 03-17-1932 | $128,272 | BK |
| Bridge Community Bank | Mount Vernon, IA | 09-08-1903 | $126,700 | BK |
| Farmers Savings Bank | Wever, IA | 10-09-1908 | $126,477 | BK |
| Citizens State Bank | Wyoming, IA | 01-01-1913 | $126,357 | BK |
| Farmers and Merchants Savings Bank | Iowa City, IA | 09-25-1901 | $123,652 | BK |
| First State Bank | Britt, IA | 11-12-1927 | $122,376 | BK |
| Security State Bank | Algona, IA | 03-01-1931 | $121,383 | BK |