| # | Name | Assets | Members | Filing |
|---|---|---|---|---|
| 1 | Summit | $8.5B | 281,962 | 2026-Q2 |
| 2 | Landmark | $7.9B | 407,868 | 2026-Q2 |
| 3 | Community First | $6.8B | 166,721 | 2026-Q2 |
| 4 | University Of Wisconsin | $6.7B | 396,812 | 2026-Q2 |
| 5 | Royal | $5.9B | 342,847 | 2026-Q2 |
| 6 | Covantage | $4.2B | 186,054 | 2026-Q2 |
| 7 | Connexus | $4.1B | 417,271 | 2026-Q2 |
| 8 | Educators | $4.0B | 232,579 | 2026-Q2 |
| 9 | Fox Communities | $3.4B | 142,543 | 2026-Q2 |
| 10 | Altra | $3.1B | 160,726 | 2026-Q2 |
| 11 | Capital | $2.8B | 129,276 | 2026-Q2 |
| 12 | Westconsin | $2.2B | 128,032 | 2026-Q2 |
| 13 | Verve, A Credit Union | $1.6B | 63,472 | 2026-Q2 |
| 14 | Marine | $1.1B | 75,288 | 2026-Q2 |
| 15 | Westby Co-Op | $1.0B | 41,714 | 2026-Q2 |
| 16 | Blackhawk Community | $947.3M | 44,070 | 2026-Q2 |
| 17 | Kohler | $776.4M | 53,417 | 2026-Q2 |
| 18 | Superior Choice | $730.3M | 36,895 | 2026-Q2 |
| 19 | Heartland | $666.8M | 33,674 | 2026-Q2 |
| 20 | Co-Op | $626.8M | 23,862 | 2026-Q2 |
| 21 | Simplicity | $546.7M | 29,138 | 2026-Q2 |
| 22 | Pcm | $514.6M | 15,690 | 2026-Q2 |
| 23 | Fort Community | $449.8M | 21,656 | 2026-Q2 |
| 24 | First Community Cu Of Beloit | $410.2M | 34,428 | 2026-Q2 |
| 25 | Park City | $397.4M | 26,773 | 2026-Q2 |
| 26 | Unison | $393.6M | 18,069 | 2026-Q2 |
| 27 | Prospera | $378.9M | 21,472 | 2026-Q2 |
| 28 | Cloverbelt | $354.2M | 16,393 | 2026-Q2 |
| 29 | Unitedone | $348.3M | 19,002 | 2026-Q2 |
| 30 | Valley Communities | $306.9M | 16,031 | 2026-Q2 |
| 31 | Guardian | $294.2M | 24,923 | 2026-Q2 |
| 32 | 1st Community | $287.6M | 15,783 | 2026-Q2 |
| 33 | Glacier Hills | $285.8M | 17,068 | 2026-Q2 |
| 34 | Northwestern Mutual | $285.6M | 6,939 | 2026-Q2 |
| 35 | Ripco | $188.8M | 12,970 | 2026-Q2 |
| 36 | Members' Advantage | $185.2M | 11,153 | 2026-Q2 |
| 37 | N.E.W. | $178.2M | 12,272 | 2026-Q2 |
| 38 | Winnebago Community | $176.1M | 8,541 | 2026-Q2 |
| 39 | Sentry | $172.5M | 7,231 | 2026-Q2 |
| 40 | Prime Financial | $161.3M | 15,845 | 2026-Q2 |
| 41 | Shoreline | $160.0M | 8,064 | 2026-Q2 |
| 42 | Arcadia | $144.2M | 7,046 | 2026-Q2 |
| 43 | Firefighters | $133.0M | 4,919 | 2026-Q2 |
| 44 | Premier Financial | $132.4M | 8,394 | 2026-Q2 |
| 45 | Oakdale | $132.4M | 11,414 | 2026-Q2 |
| 46 | Tomah Area | $125.9M | 6,638 | 2026-Q2 |
| 47 | Governmental Employees | $121.8M | 6,864 | 2026-Q2 |
| 48 | Southern Lakes | $112.6M | 9,683 | 2026-Q2 |
| 49 | Indianhead | $101.2M | 7,332 | 2026-Q2 |
| 50 | Sheboygan Area | $93.4M | 6,911 | 2026-Q2 |
| 51 | Northwoods Community | $93.1M | 7,944 | 2026-Q2 |
| 52 | Marshfield Medical Center | $91.0M | 3,654 | 2026-Q2 |
| 53 | Taylor | $89.1M | 7,229 | 2026-Q2 |
| 54 | Forward Financial | $85.9M | 7,832 | 2026-Q2 |
| 55 | Gundersen | $85.3M | 4,828 | 2026-Q2 |
| 56 | Fond Du Lac | $84.9M | 5,826 | 2026-Q2 |
| 57 | Brokaw | $73.9M | 5,717 | 2026-Q2 |
| 58 | Avestar | $68.2M | 5,803 | 2026-Q2 |
| 59 | Evergreen | $65.3M | 3,386 | 2026-Q2 |
| 60 | Madison | $65.1M | 3,117 | 2026-Q2 |
| 61 | Focus | $61.7M | 6,437 | 2026-Q2 |
| 62 | Brewery | $58.8M | 7,626 | 2026-Q2 |
| 63 | Central Wisconsin | $56.3M | 3,587 | 2026-Q2 |
| 64 | Badger-Globe | $51.6M | 2,379 | 2026-Q2 |
| 65 | First Choice | $51.0M | 4,503 | 2026-Q2 |
| 66 | Athens Area | $49.9M | 2,989 | 2026-Q2 |
| 67 | Bay Shore | $48.2M | 3,303 | 2026-Q2 |
| 68 | Iron County Community | $47.4M | 3,815 | 2026-Q2 |
| 69 | Marathon County Employees | $46.5M | 2,826 | 2026-Q2 |
| 70 | County - City | $43.6M | 2,956 | 2026-Q2 |
| 71 | Tri-County | $43.3M | 3,029 | 2026-Q2 |
| 72 | Wea | $43.2M | 2,858 | 2026-Q2 |
| 73 | Golden Rule Community | $42.6M | 2,936 | 2026-Q2 |
| 74 | Ripple | $38.9M | 2,438 | 2026-Q2 |
| 75 | Teachers | $37.6M | 2,221 | 2026-Q2 |
| 76 | Meadowland | $35.9M | 2,655 | 2026-Q2 |
| 77 | Mcu Financial Center | $31.2M | 2,722 | 2026-Q2 |
| 78 | Racine Municipal Employees | $25.9M | 1,890 | 2026-Q2 |
| 79 | Oshkosh Community | $20.3M | 2,490 | 2026-Q2 |
| 80 | Holy Family Memorial | $19.7M | 1,292 | 2026-Q2 |
| 81 | M.E. Employees | $19.0M | 1,300 | 2026-Q2 |
| 82 | Lakewood | $16.0M | 1,141 | 2026-Q2 |
| 83 | Wisconsin Medical | $15.9M | 1,222 | 2026-Q2 |
| 84 | Public Service | $13.9M | 988 | 2026-Q2 |
| 85 | Service | $13.3M | 999 | 2026-Q2 |
| 86 | Kenosha Police And Firemen'S | $9.3M | 1,082 | 2026-Q2 |
| 87 | Brantwood | $7.3M | 784 | 2026-Q2 |
| 88 | Compassionate Care | $6.9M | 1,053 | 2026-Q2 |
| 89 | Madison Fire Department | $5.5M | 841 | 2026-Q2 |
| 90 | Wisconsin Latvian, Inc. | $3.2M | 369 | 2026-Q2 |
| 91 | Superior Municipal Employees | $3.0M | 529 | 2026-Q2 |
| 92 | Lco | $2.9M | 1,310 | 2026-Q2 |
| 93 | School Employees | $2.4M | 550 | 2026-Q2 |
| 94 | Air Tech | $2.1M | 650 | 2026-Q2 |
| 95 | 1st Class Express | $2.1M | 632 | 2026-Q2 |
| 96 | Stoppenbach | $1.8M | 508 | 2026-Q2 |
| 97 | Police | $905K | 137 | 2026-Q2 |
| 98 | Holy Redeemer Community Of Se Wis. | $748K | 252 | 2026-Q2 |
| — | Dairyland Power | $20.6M | 1,208 | 2026-Q1 · last known |
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