| Summit Credit Union | Madison, WI | $8.30B | 278,241 |
| Landmark Credit Union | Brookfield, WI | $7.73B | 406,664 |
| Community First Credit Union | Appleton, WI | $6.66B | 165,633 |
| University of Wisconsin Credit Union | Madison, WI | $6.60B | 391,476 |
| Royal Credit Union | Eau Claire, WI | $5.90B | 339,177 |
| Covantage Credit Union | Antigo, WI | $4.19B | 184,471 |
| Connexus Credit Union | Wausau, WI | $4.15B | 425,699 |
| Educators Credit Union | Racine, WI | $3.89B | 232,112 |
| Fox Communities Credit Union | Appleton, WI | $3.35B | 140,872 |
| Altra Credit Union | Onalaska, WI | $3.09B | 158,923 |
| Capital Credit Union | Green Bay, WI | $2.84B | 127,670 |
| Westconsin Credit Union | Menomonie, WI | $2.20B | 127,327 |
| Verve, a Credit Union | Oshkosh, WI | $1.59B | 63,183 |
| Marine Credit Union | La Crosse, WI | $1.10B | 74,860 |
| Westby Co-Op Credit Union | Westby, WI | $1.00B | 41,218 |
| Blackhawk Community Credit Union | Janesville, WI | $931.7M | 44,169 |
| Kohler Credit Union | Sheboygan, WI | $762.1M | 53,457 |
| Superior Choice Credit Union | Superior, WI | $725.8M | 37,252 |
| Heartland Credit Union | Madison, WI | $656.7M | 33,565 |
| Co-Op Credit Union | Black River Fal, WI | $615.0M | 23,640 |
| Simplicity Credit Union | Marshfield, WI | $533.4M | 28,839 |
| Pcm Credit Union | Green Bay, WI | $511.3M | 15,556 |
| First Community CU of Beloit | Beloit, WI | $421.3M | 33,845 |
| Fort Community Credit Union | Fort Atkinson, WI | $419.3M | 21,627 |
| Park City Credit Union | Merrill, WI | $390.0M | 25,973 |
| Unison Credit Union | Kaukauna, WI | $388.9M | 18,160 |
| Prospera Credit Union | Appleton, WI | $378.8M | 21,481 |
| Cloverbelt Credit Union | Wausau, WI | $349.8M | 16,292 |
| Unitedone Credit Union | Manitowoc, WI | $336.5M | 18,992 |
| Valley Communities Credit Union | Mosinee, WI | $304.6M | 15,964 |
| Northwestern Mutual Credit Union | Milwaukee, WI | $292.3M | 6,858 |
| Guardian Credit Union | Oak Creek, WI | $291.2M | 25,140 |
| 1st Community Credit Union | Sparta, WI | $284.8M | 15,743 |
| Glacier Hills Credit Union | West Bend, WI | $284.0M | 17,040 |
| Ripco Credit Union | Rhinelander, WI | $188.8M | 12,977 |
| Members' Advantage Credit Union | Wisconsin Rapid, WI | $183.5M | 11,192 |
| Winnebago Community Credit Union | Oshkosh, WI | $173.2M | 8,576 |
| N.E.W. Credit Union | Oconto Falls, WI | $172.1M | 12,194 |
| Sentry Credit Union | Stevens Point, WI | $170.1M | 7,160 |
| Prime Financial Credit Union | Cudahy, WI | $162.0M | 15,983 |
| Shoreline Credit Union | Two Rivers, WI | $153.1M | 8,023 |
| Arcadia Credit Union | Arcadia, WI | $142.0M | 7,002 |
| Oakdale Credit Union | Oakdale, WI | $133.5M | 11,383 |
| Firefighters Credit Union | Onalaska, WI | $130.7M | 4,919 |
| Premier Financial Credit Union | New Holstein, WI | $130.3M | 8,374 |
| Tomah Area Credit Union | Tomah, WI | $123.7M | 6,670 |
| Governmental Employees Credit Union | La Crosse, WI | $119.3M | 6,759 |
| Southern Lakes Credit Union | Kenosha, WI | $113.2M | 9,683 |
| Indianhead Credit Union | Spooner, WI | $98.8M | 7,274 |
| Northwoods Community Credit Union | Park Falls, WI | $93.7M | 7,947 |
| Marshfield Medical Center Credit Union | Marshfield, WI | $93.0M | 3,651 |
| Sheboygan Area Credit Union | Sheboygan, WI | $90.5M | 6,879 |
| Taylor Credit Union | Medford, WI | $88.4M | 7,292 |
| Forward Financial Credit Union | Niagara, WI | $85.1M | 7,880 |
| Fond Du Lac Credit Union | Fond Du Lac, WI | $84.5M | 5,834 |
| Brokaw Credit Union | Weston, WI | $72.0M | 5,724 |
| Avestar Credit Union | Waterloo, WI | $66.5M | 5,873 |
| Gundersen Credit Union | La Crosse, WI | $65.0M | 3,677 |
| Evergreen Credit Union | Neenah, WI | $63.9M | 3,376 |
| Madison Credit Union | Madison, WI | $62.6M | 3,111 |
| Focus Credit Union | Menomonee Falls, WI | $61.3M | 6,438 |
| Brewery Credit Union | Milwaukee, WI | $58.1M | 7,674 |
| Central Wisconsin Credit Union | Plover, WI | $55.2M | 3,596 |
| Badger-Globe Credit Union | Neenah, WI | $53.4M | 2,500 |
| First Choice Credit Union | Marshfield, WI | $50.1M | 3,282 |
| Athens Area Credit Union | Athens, WI | $49.5M | 2,967 |
| Bay Shore Credit Union | Marinette, WI | $48.4M | 3,301 |
| Iron County Community Credit Union | Hurley, WI | $48.0M | 3,811 |
| Marathon County Employees Credit Union | Wausau, WI | $46.1M | 2,826 |
| Tri-County Credit Union | Marinette, WI | $43.0M | 3,002 |
| County - City Credit Union | Jefferson, WI | $42.5M | 2,972 |
| Wea Credit Union | Madison, WI | $42.1M | 2,831 |
| Golden Rule Community Credit Union | Ripon, WI | $41.9M | 2,950 |
| Ripple Credit Union | Oshkosh, WI | $38.7M | 2,447 |
| Teachers Credit Union | Beloit, WI | $37.6M | 2,196 |
| Meadowland Credit Union | Sheboygan Falls, WI | $35.6M | 2,643 |
| McU Financial Center Credit Union | Racine, WI | $30.7M | 2,743 |
| Racine Municipal Employees Credit Union | Racine, WI | $25.8M | 1,894 |
| Dairyland Power Credit Union | La Crosse, WI | $20.6M | 1,208 |
| Oshkosh Community Credit Union | Oshkosh, WI | $20.4M | 2,123 |
| Holy Family Memorial Credit Union | Manitowoc, WI | $19.2M | 1,301 |
| M.E. Employees Credit Union | Wausau, WI | $18.4M | 1,306 |
| Wisconsin Medical Credit Union | Green Bay, WI | $15.2M | 1,233 |
| Lakewood Credit Union | Rib Lake, WI | $14.9M | 1,130 |
| Service Credit Union | Green Bay, WI | $13.2M | 995 |
| Public Service Credit Union | Wausau, WI | $13.2M | 988 |
| Kenosha Police and Firemen's Credit Union | Kenosha, WI | $9.1M | 1,112 |
| Brantwood Credit Union | Brantwood, WI | $7.2M | 807 |
| Compassionate Care Credit Union | Fond Du Lac, WI | $6.8M | 1,064 |
| Madison Fire Department Credit Union | Madison, WI | $5.5M | 846 |
| Wisconsin Latvian, Inc. Credit Union | Milwaukee, WI | $3.1M | 368 |
| Superior Municipal Employees Credit Union | Superior, WI | $3.0M | 526 |
| Lco Credit Union | Hayward, WI | $2.9M | 1,307 |
| School Employees Credit Union | Superior, WI | $2.4M | 558 |
| Air Tech Credit Union | Milwaukee, WI | $2.2M | 655 |
| 1st Class Express Credit Union | Waukesha, WI | $2.1M | 626 |
| Stoppenbach Credit Union | Jefferson, WI | $1.8M | 507 |
| Police Credit Union | Sheboygan, WI | $898K | 137 |
| Holy Redeemer Community of SE Wis. Credit Union | Milwaukee, WI | $816K | 255 |