Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Waukesha State Bank | Waukesha, WI | 06-15-1944 | $1,601,754 | BK |
| Horicon Bank | Horicon, WI | 09-07-1896 | $1,586,359 | BK |
| The Park Bank | Madison, WI | 07-18-1966 | $1,571,795 | BK |
| Peoples State Bank | Wausau, WI | 08-01-1962 | $1,460,917 | BK |
| Bankers' Bank | Madison, WI | 09-01-1981 | $1,420,052 | BK |
| Forward Bank | Marshfield, WI | 01-01-1919 | $1,180,052 | BK |
| Citizens Bank | Mukwonago, WI | 12-12-1892 | $1,175,177 | BK |
| MARINE | La Crosse, WI | 01-01-1949 | $1,089,231 | CU |
| Bank of Wisconsin Dells | Wisconsin Dells, WI | 02-26-1910 | $1,064,931 | BK |
| River Bank | Stoddard, WI | 10-11-1911 | $1,045,511 | BK |
| Great Midwest Bank, S.S.B. | Brookfield, WI | 03-25-1936 | $1,034,904 | BK |
| The Port Washington State Bank | Port Washington, WI | 09-11-1899 | $1,034,482 | BK |
| Security Financial Bank | Durand, WI | 04-06-1934 | $1,028,747 | BK |
| WESTBY CO-OP | WESTBY, WI | 01-01-1939 | $996,739 | CU |
| Prevail Bank | Medford, WI | 02-18-1935 | $979,247 | BK |