Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Horicon Bank | Horicon, WI | 09-07-1896 | $1,537,481 | BK |
| The First National Bank and Trust Company | Beloit, WI | 07-01-1882 | $1,533,551 | BK |
| Waukesha State Bank | Waukesha, WI | 06-15-1944 | $1,533,542 | BK |
| The Park Bank | Madison, WI | 07-18-1966 | $1,490,291 | BK |
| Bankers' Bank | Madison, WI | 09-01-1981 | $1,463,208 | BK |
| Peoples State Bank | Wausau, WI | 08-01-1962 | $1,459,363 | BK |
| Citizens Bank | Mukwonago, WI | 12-12-1892 | $1,113,592 | BK |
| Forward Bank | Marshfield, WI | 01-01-1919 | $1,103,516 | BK |
| MARINE | La Crosse, WI | 01-01-1949 | $1,063,263 | CU |
| River Bank | Stoddard, WI | 10-11-1911 | $1,013,849 | BK |
| Bank of Wisconsin Dells | Wisconsin Dells, WI | 02-26-1910 | $1,009,644 | BK |
| Great Midwest Bank, S.S.B. | Brookfield, WI | 03-25-1936 | $1,002,130 | BK |
| Prevail Bank | Medford, WI | 02-18-1935 | $971,353 | BK |
| Security Financial Bank | Durand, WI | 04-06-1934 | $970,358 | BK |
| The Port Washington State Bank | Port Washington, WI | 09-11-1899 | $962,949 | BK |