Wisconsin has about 121 different credit unions with LANDMARK CREDIT UNION being the largest credit union in Wisconsin having more than $5.85 billion in total assets and over 364,792 members.
| Name | Membership | Total Assets |
|---|---|---|
| 1ST CLASS EXPRESS CREDIT UNION416 E Main St WAUKESHA, WI 53186 | State chartered natural person | $3,694,971 |
| 1ST COMMUNITY CREDIT UNION1000 W Wisconsin St SPARTA, WI 54656-2230 | State chartered natural person | $223,317,113 |
| AIR TECH CREDIT UNION1919 E Grange Ave MILWAUKEE, WI 53207-6104 | State chartered natural person | $3,158,624 |
| ALLOY EMPLOYEES CREDIT UNION1045 Perkins Ave WAUKESHA, WI 53186 | State chartered natural person | $414,477 |
| ALTRA FEDERAL CREDIT UNION1700 Oak Forest Dr ONALASKA, WI 54650 | Multiple common bond - Primarily machinery | $2,190,390,014 |
| APPLETREE CREDIT UNION11333 W Greenfield Ave WEST ALLIS, WI 53214-2260 | State chartered natural person | $140,528,887 |
| ARCADIA CREDIT UNION535 Dettloff Dr ARCADIA, WI 54612-1737 | State chartered natural person | $109,650,634 |
| ATHENS AREA CREDIT UNION112 ALFRED ST ATHENS, WI 54411 | State chartered natural person | $52,183,876 |
| AVESTAR CREDIT UNION125 W Madison St WATERLOO, WI 53594 | State chartered natural person | $36,149,842 |
| BADGER-GLOBE CREDIT UNION260 N Green Bay rd NEENAH, WI 54956 | State chartered natural person | $55,930,644 |
| BAY SHORE CREDIT UNION1514 Cleveland Ave MARINETTE, WI 54143-3921 | State chartered natural person | $44,561,621 |
| BLACKHAWK COMMUNITY CREDIT UNION2640 W Court St JANESVILLE, WI 53548 | State chartered natural person | $849,706,137 |
| BRANTWOOD CREDIT UNIONW1505 US highway 8 BRANTWOOD, WI 54513 | State chartered natural person | $7,246,970 |
| BREWERY CREDIT UNION1351 N DR MARTIN LUTHER KING JR DR MILWAUKEE, WI 53212-4024 | State chartered natural person | $60,078,703 |
| BROKAW CREDIT UNION2006 Schofield Ave WESTON, WI 54476-2381 | State chartered natural person | $70,165,922 |
| CAPITAL CREDIT UNION825 Morris Ave GREEN BAY, WI 54304 | State chartered natural person | $2,209,339,061 |
| CENTRAL WISCONSIN CREDIT UNION1301 Post Rd PLOVER, WI 54467 | State chartered natural person | $53,009,395 |
| CLOVERBELT CREDIT UNION110 McIndoe St WAUSAU, WI 54403-4742 | State chartered natural person | $300,302,432 |
| CO-OP CREDIT UNION100 E Main St BLACK RIVER FALLS, WI 54615 | State chartered natural person | $471,073,964 |
| COMMUNITY FIRST CREDIT UNION1575 Dresang Way NEENAH, WI 54956 | State chartered natural person | $4,925,306,167 |