Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| GUARDIAN | Oak Creek, WI | 01-01-1934 | $285,840 | CU |
| 1ST COMMUNITY | Sparta, WI | 01-01-1961 | $280,567 | CU |
| The Farmers State Bank of Waupaca | Waupaca, WI | 01-11-1911 | $278,969 | BK |
| First Federal Bank of Wisconsin | Waukesha, WI | 01-01-1922 | $275,735 | BK |
| GLACIER HILLS | WEST BEND, WI | 01-01-1934 | $275,002 | CU |
| East Wisconsin Savings Bank | Kaukauna, WI | 01-01-1887 | $270,520 | BK |
| Pillar Bank | Baldwin, WI | 09-23-1883 | $266,853 | BK |
| NORTHWESTERN MUTUAL | Milwaukee, WI | 01-01-1933 | $264,740 | CU |
| Bank of Deerfield | Deerfield, WI | 01-01-1887 | $261,187 | BK |
| Ergo Bank | Markesan, WI | 01-20-1910 | $261,034 | BK |
| Alliance Bank | Mondovi, WI | 01-01-1900 | $257,977 | BK |
| Citizens State Bank | Cadott, WI | 08-20-1902 | $254,098 | BK |
| Marathon Bank | Wausau, WI | 01-01-1902 | $247,632 | BK |
| Farmers & Merchants State Bank | Waterloo, WI | 01-01-1897 | $240,843 | BK |
| Bank of Milton | Milton, WI | 03-25-1884 | $233,046 | BK |