Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Farmers & Merchants Bank & Trust | Burlington, IA | 01-01-1916 | $215,176 | BK |
| Houghton State Bank | Red Oak, IA | 01-01-1879 | $214,116 | BK |
| United Bank and Trust Company | Hampton, IA | 01-01-1915 | $212,901 | BK |
| Charter Bank | Johnston, IA | 06-15-1998 | $212,715 | BK |
| Iowa Trust and Savings Bank | Centerville, IA | 01-01-1896 | $206,631 | BK |
| NorthStar Bank | Estherville, IA | 04-01-1997 | $206,279 | BK |
| Keystone Savings Bank | Marengo, IA | 04-27-1935 | $203,260 | BK |
| Iowa State Bank | Sac City, IA | 03-29-1926 | $202,226 | BK |
| State Bank & Trust Co. | Nevada, IA | 02-25-1939 | $199,605 | BK |
| Farmers Savings Bank | Fostoria, IA | 08-24-1916 | $198,874 | BK |
| State Savings Bank | Bedford, IA | 01-01-1915 | $196,503 | BK |
| Farmers Trust & Savings Bank | Williamsburg, IA | 01-01-1934 | $194,329 | BK |
| St. Ansgar State Bank | Saint Ansgar, IA | 03-28-1891 | $193,146 | BK |
| Iowa Falls State Bank | Iowa Falls, IA | 01-01-1933 | $192,882 | BK |
| AIM | Dubuque, IA | 01-01-1933 | $192,798 | CU |