Largest Nonprofits in Wisconsin (2022)

Top nonprofits ranked by total revenue

50 organizations
Year: Latest 2024 2023 2022
# Organization Revenue Assets Trantor Score
1 AURORA HEALTH CARE INC GROUP RETURN
EIN: 611649250 · MILWAUKEE, WI
$6.2B $7.9B 646
2 FROEDTERT MEMORIAL LUTHERAN HOSPITAL INC
EIN: 396105970 · MILWAUKEE, WI
$2.3B $1.2B 635
3 The Medical College of Wisconsin Inc
EIN: 390806261 · Milwaukee, WI
$1.6B $2.9B 589
4 MCHS HOSPITALS INC
EIN: 810977948 · MARSHFIELD, WI
$1.4B $2.9B 634
5 Gundersen Lutheran Medical Center Inc
EIN: 390813416 · LA CROSSE, WI
$1.4B $2.0B 664
6 SECURITY HEALTH PLAN OF WISCONSIN INC
EIN: 391572880 · MARSHFIELD, WI
$1.3B $411.4M 550
7 UNIVERSITY OF WISCONSIN FOUNDATION
EIN: 390743975 · MADISON, WI
$1.3B $5.0B 679
8 University of Wisconsin Medical Foundation Inc
EIN: 391824445 · Middleton, WI
$1.2B $763.3M 602
9 Gundersen Lutheran Administrative Services Inc
EIN: 391606449 · LA CROSSE, WI
$993.7M $1.0B 493
10 FROEDTERT HEALTH INC
EIN: 392014409 · MILWAUKEE, WI
$955.8M $3.2B 552
11 CHILDREN'S HOSPITAL OF WISCONSIN INC
EIN: 390812532 · MILWAUKEE, WI
$891.2M $2.4B 569
12 Delta Dental of Wisconsin Inc
EIN: 396094742 · Stevens Point, WI
$861.1M $338.6M 584
13 INCLUSA INC
EIN: 813565570 · STEVENS POINT, WI
$806.7M $206.6M 614
14 MY CHOICE WISCONSIN INC
EIN: 811970070 · WAUWATOSA, WI
$800.7M $263.5M 666
15 Marquette University
EIN: 390806251 · Milwaukee, WI
$733.4M $1.9B 600
16 BELLIN MEMORIAL HOSPITAL INC
EIN: 390884478 · GREEN BAY, WI
$715.2M $907.3M 613
17 ASPIRUS WAUSAU HOSPITAL INC
EIN: 391138241 · WAUSAU, WI
$702.5M $624.6M 592
18 COMMUNITY CARE INC
EIN: 391264667 · BROOKFIELD, WI
$696.3M $265.4M 659
19 MARSHFIELD CLINIC INC
EIN: 390452970 · MARSHFIELD, WI
$670.0M $840.1M 493
20 St Vincent Hospital of the Hospital Sisters of the Third Order of St Franci s
EIN: 390817529 · Green Bay, WI
$660.1M $831.3M 585
21 MERCY HEALTH SYSTEM CORPORATION
EIN: 390816848 · JANESVILLE, WI
$657.6M $808.4M 618
22 MERITER HOSPITAL INC
EIN: 390806367 · MADISON, WI
$605.1M $926.6M 577
23 PROHEALTH WAUKESHA MEMORIAL HOSPITAL INC
EIN: 390910727 · WAUKESHA, WI
$586.9M $627.9M 568
24 WEA Insurance Corporation
EIN: 391519322 · Madison, WI
$579.9M $601.0M 536
25 DAIRYLAND POWER COOPERATIVE
EIN: 390233059 · La Crosse, WI
$533.8M $1.5B 514
26 GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WI
EIN: 391199466 · MADISON, WI
$485.7M $115.2M 528
27 Agnesian Healthcare Inc
EIN: 390807236 · Fond du Lac, WI
$474.3M $639.3M 612
28 CHORUS COMMUNITY HEALTH PLANS INC
EIN: 271494977 · MILWAUKEE, WI
$462.6M $253.6M 634
29 COMMON GROUND HEALTHCARE COOPERATIVE
EIN: 453309488 · BROOKFIELD, WI
$421.5M $304.4M 554
30 QUARTZ HEALTH PLAN CORPORATION
EIN: 391807071 · FITCHBURG, WI
$391.1M $91.9M 593
31 Ascendium Education Solutions Inc
EIN: 391853833 · MADISON, WI
$388.9M $289.8M 701
32 FROEDTERT SOUTH INC
EIN: 390816845 · KENOSHA, WI
$384.5M $573.9M 622
33 LAKELAND CARE INCORPORATED
EIN: 813724993 · FOND DU LAC, WI
$377.4M $89.8M 606
34 ThedaCare Inc
EIN: 391509362 · APPLETON, WI
$372.2M $1.1B 478
35 ThedaCare Regional Medical Center - Appleton Inc
EIN: 390824015 · APPLETON, WI
$361.0M $754.4M 668
36 ROGERS MEMORIAL HOSPITAL INC
EIN: 391139101 · OCONOMOWOC, WI
$340.4M $507.7M 611
37 FROEDTERT & THE MEDICAL COLLEGE OF WISCONSIN COMMUNITY PHYSICIANS INC
EIN: 272042610 · MENOMONEE FALLS, WI
$333.9M $110.1M 552
38 WISCONSIN COUNTIES ASSOCIATION GROUP HEALTH TRUST
EIN: 391692308 · MADISON, WI
$331.7M $109.9M 535
39 CONNEXUS CREDIT UNION
EIN: 390263945 · WAUSAU, WI
$328.6M $5.3B 616
40 MARSHFIELD CLINIC HEALTH SYSTEM INC
EIN: 461495343 · MARSHFIELD, WI
$320.8M $606.2M 467
41 CHILDREN'S HOSPITAL AND HEALTH SYSTEM INC
EIN: 391500074 · MILWAUKEE, WI
$284.6M $109.5M 536
42 ThedaCare Regional Medical Center - Neenah Inc
EIN: 390830664 · APPLETON, WI
$267.9M $736.2M 681
43 COMMUNITY MEMORIAL HOSPITAL OF MENOMONEE FALLS INC
EIN: 390987025 · MENOMONEE FALLS, WI
$262.9M $127.0M 637
44 BELOIT HEALTH SYSTEM INC
EIN: 391028081 · Beloit, WI
$260.4M $278.0M 561
45 LANDMARK CREDIT UNION
EIN: 390203995 · NEW BERLIN, WI
$253.3M $6.2B 572
46 CHILDREN'S SPECIALTY GROUP INC
EIN: 391990012 · MILWAUKEE, WI
$250.6M $108.9M 587
47 Sacred Heart Hospital of Hospital Sisters of Third Order of St Francis
EIN: 390807060 · Eau Claire, WI
$235.9M $704.3M 570
48 SUMMIT CREDIT UNION
EIN: 390230585 · MADISON, WI
$231.1M $6.2B 597
49 VERSITI WISCONSIN INC
EIN: 390807235 · MILWAUKEE, WI
$220.8M $141.9M 615
50 UNIVERSITY OF WISCONSIN CREDIT UNION
EIN: 390671465 · MADISON, WI
$206.7M $5.1B 596
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.