Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Commercial Savings Bank | Carroll, IA | 01-01-1917 | $335,554 | BK |
| Kerndt Brothers Savings Bank | Lansing, IA | 01-14-1908 | $335,274 | BK |
| Glenwood State Bank | Glenwood, IA | 01-01-1899 | $331,060 | BK |
| Iowa State Bank and Trust Company of Fairfield, Iowa | Fairfield, IA | 05-19-1934 | $330,646 | BK |
| Community Bank and Trust Company | Muscatine, IA | 08-11-1980 | $319,052 | BK |
| Pinnacle Bank | Marshalltown, IA | 05-05-1927 | $306,592 | BK |
| First Whitney Bank and Trust | Atlantic, IA | 01-01-1907 | $304,218 | BK |
| First Trust and Savings Bank | Wheatland, IA | 01-01-1905 | $300,105 | BK |
| MEMBERS1ST COMMUNITY | Marshalltown, IA | 01-01-1964 | $296,994 | CU |
| Farmers Savings Bank | Colesburg, IA | 01-01-1907 | $296,486 | BK |
| Savings Bank | Primghar, IA | 11-15-1894 | $292,884 | BK |
| Leighton State Bank | Pella, IA | 07-14-1911 | $290,870 | BK |
| The Home Trust & Savings Bank | Osage, IA | 12-01-1899 | $290,746 | BK |
| Iowa Savings Bank | Carroll, IA | 02-01-1902 | $290,405 | BK |
| United Community Bank | Milford, IA | 06-10-1931 | $289,307 | BK |