Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Farmers Savings Bank | Marshalltown, IA | 04-01-1894 | $140,318 | BK |
| Community Bank | Dunlap, IA | 02-23-1926 | $138,336 | BK |
| Corydon State Bank | Corydon, IA | 01-01-1926 | $138,023 | BK |
| Citizens State Bank | Wyoming, IA | 01-01-1913 | $137,738 | BK |
| Union State Bank | Winterset, IA | 01-02-1935 | $136,473 | BK |
| The State Bank of Toledo | Toledo, IA | 01-01-1927 | $134,638 | BK |
| Farmers Savings Bank | Wever, IA | 10-09-1908 | $130,508 | BK |
| First State Bank | Stuart, IA | 01-01-1934 | $129,707 | BK |
| NORTH IOWA COMMUNITY | MASON CITY, IA | 01-01-1956 | $127,821 | CU |
| Cedar Valley Bank & Trust | La Porte City, IA | 07-06-1906 | $126,253 | BK |
| First State Bank | Britt, IA | 11-12-1927 | $125,922 | BK |
| Pocahontas State Bank | Pocahontas, IA | 07-01-1926 | $122,569 | BK |
| Farmers and Merchants Savings Bank | Iowa City, IA | 09-25-1901 | $122,497 | BK |
| Solon State Bank | Solon, IA | 03-17-1932 | $122,478 | BK |
| United Bank & Trust Co. | Marshalltown, IA | 06-21-2002 | $120,144 | BK |