Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The Farmers & Merchants Bank | Berlin, WI | 12-02-1940 | $952,328 | BK |
| The Port Washington State Bank | Port Washington, WI | 09-11-1899 | $946,159 | BK |
| Peoples State Bank | Prairie Du Chien, WI | 01-22-1915 | $919,203 | BK |
| BLACKHAWK COMMUNITY | Janesville, WI | 01-01-1965 | $902,200 | CU |
| Ixonia Bank | Ixonia, WI | 01-01-1918 | $879,906 | BK |
| DMB Community Bank | Madison, WI | 06-29-1922 | $814,345 | BK |
| Westbury Bank | Waukesha, WI | 01-01-1926 | $806,117 | BK |
| Hiawatha National Bank | Hager City, WI | 01-01-1917 | $784,287 | BK |
| THRIVENT | Appleton, WI | 01-01-2012 | $779,870 | CU |
| The Bank of New Glarus | New Glarus, WI | 10-30-1893 | $776,542 | BK |
| Royal Bank | Elroy, WI | 04-30-1932 | $771,578 | BK |
| KOHLER | Sheboygan, WI | 01-01-1938 | $748,360 | CU |
| The Greenwood's State Bank | Madison, WI | 10-22-1883 | $742,496 | BK |
| Bank of Sun Prairie | Sun Prairie, WI | 08-08-1903 | $722,460 | BK |
| Dairy State Bank | Rice Lake, WI | 01-02-1953 | $720,644 | BK |