| # | Name | Location | Assets | Members | ROA |
|---|---|---|---|---|---|
| 1 | Summit Credit Union | Madison, WI | $8.52B | 281,962 | 1.26% |
| 2 | Landmark Credit Union | Brookfield, WI | $7.91B | 407,868 | 1.15% |
| 3 | Community First Credit Union | Appleton, WI | $6.84B | 166,721 | 1.49% |
| 4 | University Of Wisconsin Credit Union | Madison, WI | $6.72B | 396,812 | 1.11% |
| 5 | Royal Credit Union | Eau Claire, WI | $5.91B | 342,847 | 1.47% |
| 6 | CoVantage Credit Union | Antigo, WI | $4.21B | 186,054 | 1.19% |
| 7 | Connexus Credit Union | Wausau, WI | $4.14B | 417,271 | 0.06% |
| 8 | Educators Credit Union | Racine, WI | $3.99B | 232,579 | 1.39% |
| 9 | Fox Communities Credit Union | Appleton, WI | $3.39B | 142,543 | 1.31% |
| 10 |
| Onalaska, WI |
| $3.14B |
| 160,726 |
| 1.66% |
| 11 | Capital Credit Union | Green Bay, WI | $2.79B | 129,276 | 1.01% |
| 12 | Westconsin Credit Union | Menomonie, WI | $2.25B | 128,032 | 1.10% |
| 13 | Verve, A Credit Union | Oshkosh, WI | $1.58B | 63,472 | 0.51% |
| 14 | Marine Credit Union | La Crosse, WI | $1.14B | 75,288 | 0.80% |
| 15 | Westby Co-Op Credit Union | Westby, WI | $1.02B | 41,714 | 1.23% |
| 16 | Blackhawk Community Credit Union | Janesville, WI | $947.3M | 44,070 | 0.33% |
| 17 | Kohler Credit Union | Sheboygan, WI | $776.4M | 53,417 | 1.03% |
| 18 | Superior Choice Credit Union | Superior, WI | $730.3M | 36,895 | 0.48% |
| 19 | Heartland Credit Union | Madison, WI | $666.8M | 33,674 | 0.84% |
| 20 | Co-Op Credit Union | Black River Fal, WI | $626.8M | 23,862 | 1.12% |
| 21 | Simplicity Credit Union | Marshfield, WI | $546.7M | 29,138 | 0.72% |
| 22 | Pcm Credit Union | Green Bay, WI | $514.6M | 15,690 | 0.96% |
| 23 | Fort Community Credit Union | Fort Atkinson, WI | $449.8M | 21,656 | 0.62% |
| 24 | First Community CU Of Beloit Credit Union | Beloit, WI | $410.2M | 34,428 | 0.93% |
| 25 | Park City Credit Union | Merrill, WI | $397.4M | 26,773 | 0.82% |
| 26 | Unison Credit Union | Kaukauna, WI | $393.6M | 18,069 | 0.90% |
| 27 | Prospera Credit Union | Appleton, WI | $378.9M | 21,472 | 0.31% |
| 28 | Cloverbelt Credit Union | Wausau, WI | $354.2M | 16,393 | 0.83% |
| 29 | Unitedone Credit Union | Manitowoc, WI | $348.3M | 19,002 | 0.92% |
| 30 | Valley Communities Credit Union | Mosinee, WI | $306.9M | 16,031 | 0.91% |
| 31 | Guardian Credit Union | Oak Creek, WI | $294.2M | 24,923 | 0.50% |
| 32 | 1St Community Credit Union | Sparta, WI | $287.6M | 15,783 | 1.31% |
| 33 | Glacier Hills Credit Union | West Bend, WI | $285.8M | 17,068 | 1.17% |
| 34 | Northwestern Mutual Credit Union | Milwaukee, WI | $285.6M | 6,939 | 0.70% |
| 35 | Ripco Credit Union | Rhinelander, WI | $188.8M | 12,970 | 0.45% |
| 36 | Members' Advantage Credit Union | Wisconsin Rapid, WI | $185.2M | 11,153 | 1.82% |
| 37 | N.E.W. Credit Union | Oconto Falls, WI | $178.2M | 12,272 | 1.26% |
| 38 | Winnebago Community Credit Union | Oshkosh, WI | $176.1M | 8,541 | 1.06% |
| 39 | Sentry Credit Union | Stevens Point, WI | $172.5M | 7,231 | 0.73% |
| 40 | Prime Financial Credit Union | Cudahy, WI | $161.3M | 15,845 | 0.71% |
| 41 | Shoreline Credit Union | Two Rivers, WI | $160.0M | 8,064 | 0.55% |
| 42 | Arcadia Credit Union | Arcadia, WI | $144.2M | 7,046 | 1.27% |
| 43 | Firefighters Credit Union | Onalaska, WI | $133.0M | 4,919 | 1.35% |
| 44 | Premier Financial Credit Union | New Holstein, WI | $132.4M | 8,394 | 1.09% |
| 45 | Oakdale Credit Union | Oakdale, WI | $132.4M | 11,414 | 2.29% |
| 46 | Tomah Area Credit Union | Tomah, WI | $125.9M | 6,638 | 1.36% |
| 47 | Governmental Employees Credit Union | La Crosse, WI | $121.8M | 6,864 | 0.67% |
| 48 | Southern Lakes Credit Union | Kenosha, WI | $112.6M | 9,683 | 0.59% |
| 49 | Indianhead Credit Union | Spooner, WI | $101.2M | 7,332 | 1.55% |
| 50 | Sheboygan Area Credit Union | Sheboygan, WI | $93.4M | 6,911 | 1.90% |
| 51 | Northwoods Community Credit Union | Park Falls, WI | $93.1M | 7,944 | 0.44% |
| 52 | Marshfield Medical Center Credit Union | Marshfield, WI | $91.0M | 3,654 | 0.59% |
| 53 | Taylor Credit Union | Medford, WI | $89.1M | 7,229 | 0.70% |
| 54 | Forward Financial Credit Union | Niagara, WI | $85.9M | 7,832 | 0.40% |
| 55 | Gundersen Credit Union | La Crosse, WI | $85.3M | 4,828 | 0.84% |
| 56 | Fond Du Lac Credit Union | Fond Du Lac, WI | $84.9M | 5,826 | 1.37% |
| 57 | Brokaw Credit Union | Weston, WI | $73.9M | 5,717 | 1.38% |
| 58 | Avestar Credit Union | Waterloo, WI | $68.2M | 5,803 | 0.53% |
| 59 | Evergreen Credit Union | Neenah, WI | $65.3M | 3,386 | 0.98% |
| 60 | Madison Credit Union | Madison, WI | $65.1M | 3,117 | 1.09% |
| 61 | Focus Credit Union | Menomonee Falls, WI | $61.7M | 6,437 | 1.34% |
| 62 | Brewery Credit Union | Milwaukee, WI | $58.8M | 7,626 | 0.64% |
| 63 | Central Wisconsin Credit Union | Plover, WI | $56.3M | 3,587 | 2.11% |
| 64 | Badger-Globe Credit Union | Neenah, WI | $51.6M | 2,379 | -0.71% |
| 65 | First Choice Credit Union | Marshfield, WI | $51.0M | 4,503 | 1.66% |
| 66 | Athens Area Credit Union | Athens, WI | $49.9M | 2,989 | 1.25% |
| 67 | Bay Shore Credit Union | Marinette, WI | $48.2M | 3,303 | 1.27% |
| 68 | Iron County Community Credit Union | Hurley, WI | $47.4M | 3,815 | 3.01% |
| 69 | Marathon County Employees Credit Union | Wausau, WI | $46.5M | 2,826 | 1.18% |
| 70 | County - City Credit Union | Jefferson, WI | $43.6M | 2,956 | 1.06% |
| 71 | Tri-County Credit Union | Marinette, WI | $43.3M | 3,029 | 0.50% |
| 72 | Wea Credit Union | Madison, WI | $43.2M | 2,858 | 0.90% |
| 73 | Golden Rule Community Credit Union | Ripon, WI | $42.6M | 2,936 | 0.76% |
| 74 | Ripple Credit Union | Oshkosh, WI | $38.9M | 2,438 | 1.98% |
| 75 | Teachers Credit Union | Beloit, WI | $37.6M | 2,221 | 0.85% |
| 76 | Meadowland Credit Union | Sheboygan Falls, WI | $35.9M | 2,655 | 0.27% |
| 77 | Mcu Financial Center Credit Union | Racine, WI | $31.2M | 2,722 | 0.47% |
| 78 | Racine Municipal Employees Credit Union | Racine, WI | $25.9M | 1,890 | 1.21% |
| 79 | Oshkosh Community Credit Union | Oshkosh, WI | $20.3M | 2,490 | 0.23% |
| 80 | Holy Family Memorial Credit Union | Manitowoc, WI | $19.7M | 1,292 | 0.46% |
| 81 | M.E. Employees Credit Union | Wausau, WI | $19.0M | 1,300 | 0.58% |
| 82 | Lakewood Credit Union | Rib Lake, WI | $16.0M | 1,141 | -0.42% |
| 83 | Wisconsin Medical Credit Union | Green Bay, WI | $15.9M | 1,222 | 0.79% |
| 84 | Public Service Credit Union | Wausau, WI | $13.9M | 988 | 0.41% |
| 85 | Service Credit Union | Green Bay, WI | $13.3M | 999 | 0.64% |
| 86 | Kenosha Police And Firemen's Credit Union | Kenosha, WI | $9.3M | 1,082 | 0.43% |
| 87 | Brantwood Credit Union | Brantwood, WI | $7.3M | 784 | -0.80% |
| 88 | Compassionate Care Credit Union | Fond Du Lac, WI | $6.9M | 1,053 | -0.72% |
| 89 | Madison Fire Department Credit Union | Madison, WI | $5.5M | 841 | 1.25% |
| 90 | Wisconsin Latvian, Inc. Credit Union | Milwaukee, WI | $3.2M | 369 | 0.04% |
| 91 | Superior Municipal Employees Credit Union | Superior, WI | $3.0M | 529 | 0.15% |
| 92 | Lco Federal Credit Union | Hayward, WI | $2.9M | 1,310 | 0.99% |
| 93 | School Employees Credit Union | Superior, WI | $2.4M | 550 | 0.82% |
| 94 | Air Tech Credit Union | Milwaukee, WI | $2.1M | 650 | 0.18% |
| 95 | 1St Class Express Credit Union | Waukesha, WI | $2.1M | 632 | 1.10% |
| 96 | Stoppenbach Credit Union | Jefferson, WI | $1.8M | 508 | -9.14% |
| 97 | Police Credit Union | Sheboygan, WI | $905K | 137 | 0.69% |
| 98 | Holy Redeemer Community Of Se Wis. Credit Union | Milwaukee, WI | $748K | 252 | 1.43% |