Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| CORDA | Cedar Rapids, IA | 01-01-1935 | $692,229 | CU |
| Premier Bank | Rock Valley, IA | 02-25-1997 | $678,172 | BK |
| Green Belt Bank & Trust | Iowa Falls, IA | 07-31-1986 | $674,721 | BK |
| Marion County State Bank | Pella, IA | 09-21-1935 | $663,107 | BK |
| GREATER IOWA | Ames, IA | 01-01-1932 | $638,703 | CU |
| Farmers & Merchants Savings Bank | Manchester, IA | 07-20-1925 | $637,586 | BK |
| Midstates Bank, National Association | Council Bluffs, IA | 01-01-1913 | $634,220 | BK |
| GNB Bank | Grundy Center, IA | 03-16-1934 | $629,994 | BK |
| Farmers Trust and Savings Bank | Spencer, IA | 04-07-1916 | $618,243 | BK |
| Peoples Savings Bank | Indianola, IA | 11-20-1998 | $602,169 | BK |
| First State Bank | Webster City, IA | 10-15-1935 | $595,746 | BK |
| Community Savings Bank | Edgewood, IA | 01-10-1910 | $586,215 | BK |
| Liberty National Bank | Sioux City, IA | 03-17-2003 | $580,652 | BK |
| Clear Lake Bank and Trust Company | Clear Lake, IA | 01-01-1934 | $573,081 | BK |
| Washington State Bank | Washington, IA | 04-18-1932 | $568,738 | BK |