Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Green Belt Bank & Trust | Iowa Falls, IA | 07-31-1986 | $758,705 | BK |
| First Bank | Waverly, IA | 01-01-1864 | $739,902 | BK |
| Manufacturers Bank & Trust Company | Forest City, IA | 09-01-1945 | $738,183 | BK |
| GREATER IOWA | Ames, IA | 01-01-1932 | $715,097 | CU |
| First State Bank | Webster City, IA | 10-15-1935 | $674,287 | BK |
| Midstates Bank, National Association | Council Bluffs, IA | 01-01-1913 | $653,874 | BK |
| Clear Lake Bank and Trust Company | Clear Lake, IA | 01-01-1934 | $649,331 | BK |
| Marion County State Bank | Pella, IA | 09-21-1935 | $628,650 | BK |
| Liberty National Bank | Sioux City, IA | 03-17-2003 | $624,382 | BK |
| South Story Bank & Trust | Slater, IA | 09-01-1954 | $623,907 | BK |
| GNB Bank | Grundy Center, IA | 03-16-1934 | $621,332 | BK |
| Farmers Trust and Savings Bank | Spencer, IA | 04-07-1916 | $617,971 | BK |
| Farmers & Merchants Savings Bank | Manchester, IA | 07-20-1925 | $616,834 | BK |
| Community Savings Bank | Edgewood, IA | 01-10-1910 | $613,590 | BK |
| Peoples Savings Bank | Indianola, IA | 11-20-1998 | $610,436 | BK |