Wisconsin has about 121 different credit unions with SUMMIT CREDIT UNION being the largest credit union in Wisconsin having more than $6.95 billion in total assets and over 257,368 members.
| Name | Membership | Total Assets |
|---|---|---|
| 1ST CLASS EXPRESS CREDIT UNION416 E Main St WAUKESHA, WI 53186 | State chartered natural person | $2,559,587 |
| 1ST COMMUNITY CREDIT UNION1000 W Wisconsin St SPARTA, WI 54656-2230 | State chartered natural person | $274,102,799 |
| AIR TECH CREDIT UNION1919 E Grange Ave MILWAUKEE, WI 53207-6104 | State chartered natural person | $3,081,944 |
| ALLOY EMPLOYEES CREDIT UNION1045 Perkins Ave WAUKESHA, WI 53186 | State chartered natural person | $371,535 |
| ALTRA FEDERAL CREDIT UNION1700 Oak Forest Dr ONALASKA, WI 54650 | Multiple common bond - Primarily machinery | $2,817,967,433 |
| APPLETREE CREDIT UNION11333 W Greenfield Ave WEST ALLIS, WI 53214-2260 | State chartered natural person | $125,733,624 |
| ARCADIA CREDIT UNION535 Dettloff Dr ARCADIA, WI 54612-1737 | State chartered natural person | $123,348,090 |
| ATHENS AREA CREDIT UNION112 ALFRED ST ATHENS, WI 54411 | State chartered natural person | $47,493,320 |
| AVESTAR CREDIT UNION125 W Madison St WATERLOO, WI 53594 | State chartered natural person | $64,617,643 |
| BADGER-GLOBE CREDIT UNION260 N Green Bay rd NEENAH, WI 54956 | State chartered natural person | $51,840,108 |
| BAY SHORE CREDIT UNION1514 Cleveland Ave MARINETTE, WI 54143-3921 | State chartered natural person | $42,341,389 |
| BLACKHAWK COMMUNITY CREDIT UNION2640 W Court St JANESVILLE, WI 53548 | State chartered natural person | $814,064,230 |
| BRANTWOOD CREDIT UNIONW1505 US highway 8 BRANTWOOD, WI 54513 | State chartered natural person | $6,821,060 |
| BREWERY CREDIT UNION1351 N DR MARTIN LUTHER KING JR DR MILWAUKEE, WI 53212-4024 | State chartered natural person | $63,207,864 |
| BROKAW CREDIT UNION2006 Schofield Ave WESTON, WI 54476-2381 | State chartered natural person | $66,715,785 |
| CAPITAL CREDIT UNION825 Morris Ave GREEN BAY, WI 54304 | State chartered natural person | $2,428,067,198 |
| CENTRAL WISCONSIN CREDIT UNION1301 Post Rd PLOVER, WI 54467 | State chartered natural person | $49,721,147 |
| CLOVERBELT CREDIT UNION110 McIndoe St WAUSAU, WI 54403-4742 | State chartered natural person | $314,880,684 |
| CO-OP CREDIT UNION100 E Main St BLACK RIVER FALLS, WI 54615 | State chartered natural person | $533,801,372 |
| COMMUNITY FIRST CREDIT UNION1575 Dresang Way NEENAH, WI 54956 | State chartered natural person | $5,550,453,190 |