Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The First National Bank and Trust Company | Beloit, WI | 07-01-1882 | $1,563,728 | BK |
| Waukesha State Bank | Waukesha, WI | 06-15-1944 | $1,481,206 | BK |
| National Bank of Commerce | Superior, WI | 02-07-1934 | $1,479,633 | BK |
| The Park Bank | Madison, WI | 07-18-1966 | $1,478,574 | BK |
| Peoples State Bank | Wausau, WI | 08-01-1962 | $1,475,663 | BK |
| Bankers' Bank | Madison, WI | 09-01-1981 | $1,452,776 | BK |
| Forward Bank | Marshfield, WI | 01-01-1919 | $1,116,191 | BK |
| Citizens Bank | Mukwonago, WI | 12-12-1892 | $1,068,636 | BK |
| MARINE | La Crosse, WI | 01-01-1949 | $1,032,244 | CU |
| River Bank | Stoddard, WI | 10-11-1911 | $1,013,121 | BK |
| Great Midwest Bank, S.S.B. | Brookfield, WI | 03-25-1936 | $1,004,535 | BK |
| Bank of Wisconsin Dells | Wisconsin Dells, WI | 02-26-1910 | $963,399 | BK |
| Security Financial Bank | Durand, WI | 04-06-1934 | $958,502 | BK |
| Prevail Bank | Medford, WI | 02-18-1935 | $949,837 | BK |
| WESTBY CO-OP | WESTBY, WI | 01-01-1939 | $928,672 | CU |