Nonprofits in Wisconsin

Browse and explore nonprofit organizations in Wisconsin

100 organizations
Wisconsin is home to 5,841 nonprofit organizations with publicly available IRS Form 990 data. Together, these organizations report a combined annual revenue of $44.0 billion, reflecting the scale and economic impact of the nonprofit sector in Wisconsin. The largest nonprofit by revenue is AURORA HEALTH CARE INC GROUP RETURN, reporting $7.4 billion in its most recent Form 990 filing. Use the rankings and directory below to explore nonprofits in Wisconsin by revenue, city, or founding year.
Top Nonprofits by Revenue
# Organization Revenue Assets Trantor Score
1 AURORA HEALTH CARE INC GROUP RETURN
EIN: 611649250 · MILWAUKEE, WI
$7.4B $8.0B 685
2 Froedtert Memorial Lutheran Hospital Inc
EIN: 396105970 · MILWAUKEE, WI
$2.7B $1.4B 659
3 Gundersen Lutheran Medical Center Inc
EIN: 390813416 · LA CROSSE, WI
$1.6B $2.1B 674
4 THE MEDICAL COLLEGE OF WISCONSIN INC
EIN: 390806261 · Milwaukee, WI
$1.6B $3.3B 599
5 MCHS HOSPITALS INC
EIN: 810977948 · MARSHFIELD, WI
$1.5B $910.3M 565
6 SECURITY HEALTH PLAN OF WISCONSIN INC
EIN: 391572880 · MARSHFIELD, WI
$1.4B $403.6M 543
7 University of Wisconsin Medical Foundation Inc
EIN: 391824445 · Middleton, WI
$1.2B $747.4M 579
8 Gundersen Lutheran Administrative Services Inc
EIN: 391606449 · LA CROSSE, WI
$1.2B $1.1B 513
9 FROEDTERT HEALTH INC
EIN: 392014409 · MILWAUKEE, WI
$1.1B $3.4B 568
10 Delta Dental of Wisconsin Inc
EIN: 396094742 · Stevens Point, WI
$984.0M $397.5M 619
11 CHILDREN'S HOSPITAL OF WISCONSIN INC
EIN: 390812532 · MILWAUKEE, WI
$938.0M $2.4B 628
12 BELLIN MEMORIAL HOSPITAL INC
EIN: 390884478 · GREEN BAY, WI
$834.7M $1.1B 612
13 COMMUNITY CARE INC
EIN: 391264667 · BROOKFIELD, WI
$807.6M $274.7M 638
14 UNIVERSITY OF WISCONSIN FOUNDATION
EIN: 390743975 · MADISON, WI
$776.8M $5.8B 700
15 St Vincent Hospital of the Hospital Sisters of the Third Order of St Franci s
EIN: 390817529 · Green Bay, WI
$739.7M $918.9M 627
16 ASPIRUS WAUSAU HOSPITAL INC
EIN: 391138241 · WAUSAU, WI
$730.4M $403.4M 612
17 Marquette University
EIN: 390806251 · Milwaukee, WI
$710.0M $2.0B 592
18 Mercy Health System Corporation
EIN: 390816848 · JANESVILLE, WI
$685.9M $870.4M 636
19 PROHEALTH WAUKESHA MEMORIAL HOSPITAL INC
EIN: 390910727 · WAUKESHA, WI
$662.0M $616.0M 570
20 MARSHFIELD CLINIC INC
EIN: 390452970 · MARSHFIELD, WI
$633.6M $800.0M 528
21 MERITER HOSPITAL INC
EIN: 390806367 · MADISON, WI
$625.7M $991.6M 596
22 USB WELFARE BENEFIT PLAN
EIN: 411849855 · MILWAUKEE, WI
$532.1M $0 519
23 AGNESIAN HEALTHCARE INC
EIN: 390807236 · FOND DU LAC, WI
$521.5M $689.1M 565
24 GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WI
EIN: 391199466 · MADISON, WI
$518.1M $151.0M 557
25 COLUMBIA ST MARY'S HOSPITAL MILWAUKEE INC
EIN: 390806315 · GLENDALE, WI
$504.0M $624.7M 575
26 DAIRYLAND POWER COOPERATIVE
EIN: 390233059 · La Crosse, WI
$485.8M $1.6B 501
27 CHORUS COMMUNITY HEALTH PLANS INC
EIN: 271494977 · MILWAUKEE, WI
$473.6M $268.8M 636
28 COMMON GROUND HEALTHCARE COOPERATIVE
EIN: 453309488 · BROOKFIELD, WI
$459.4M $262.1M 574
29 INCLUSA FOUNDATION INC
EIN: 813565570 · STEVENS POINT, WI
$439.0M $209.5M 679
30 QUARTZ HEALTH PLAN CORPORATION
EIN: 391807071 · FITCHBURG, WI
$431.5M $113.5M 587
31 ASCENSION SE WISCONSIN HOSPITAL INC
EIN: 390816857 · MILWAUKEE, WI
$431.4M $314.6M 585
32 FROEDTERT SOUTH INC
EIN: 390816845 · KENOSHA, WI
$424.0M $668.7M 626
33 LAKELAND CARE INCORPORATED
EIN: 813724993 · FOND DU LAC, WI
$407.8M $76.4M 566
34 ASCENSION ALL SAINTS HOSPITAL INC
EIN: 391264986 · RACINE, WI
$372.7M $302.0M 586
35 FROEDTERT & THE MEDICAL COLLEGE OF WISCONSIN COMMUNITY PHYSICIANS INC
EIN: 272042610 · MENOMONEE FALLS, WI
$371.3M $110.2M 579
36 Thedacare Inc
EIN: 391509362 · Appleton, WI
$365.6M $1.2B 475
37 UNIVERSITY OF WISCONSIN CREDIT UNION
EIN: 390671465 · MADISON, WI
$363.8M $5.7B 622
38 LANDMARK CREDIT UNION
EIN: 390203995 · BROOKFIELD, WI
$356.4M $6.4B 560
39 MARSHFIELD CLINIC HEALTH SYSTEM INC
EIN: 461495343 · MARSHFIELD, WI
$354.5M $711.3M 629
40 CONNEXUS CREDIT UNION
EIN: 390263945 · WAUSAU, WI
$349.1M $4.3B 551
41 ROGERS MEMORIAL HOSPITAL INC
EIN: 391139101 · OCONOMOWOC, WI
$346.8M $647.8M 624
42 SUMMIT CREDIT UNION
EIN: 390230585 · MADISON, WI
$344.6M $6.9B 623
43 COMMUNITY FIRST CREDIT UNION
EIN: 396264347 · APPLETON, WI
$336.0M $6.0B 517
44 WISCONSIN COUNTIES ASSOCIATION GROUP HEALTH TRUST
EIN: 391692308 · MADISON, WI
$331.4M $139.6M 555
45 UNITED STUDENT AID FUNDS INC
EIN: 946050341 · Madison, WI
$330.1M $0 539
46 ASCENSION NE WISCONSIN INC
EIN: 390816818 · APPLETON, WI
$323.5M $318.1M 639
47 CHILDREN'S HOSPITAL AND HEALTH SYSTEM INC
EIN: 391500074 · MILWAUKEE, WI
$304.5M $158.2M 528
48 ROYAL CREDIT UNION
EIN: 396072970 · EAU CLAIRE, WI
$300.0M $5.2B 573
49 Ascendium Education Solutions Inc
EIN: 391853833 · MADISON, WI
$298.2M $351.5M 730
50 BELOIT HEALTH SYSTEM INC
EIN: 391028081 · Beloit, WI
$277.2M $279.6M 576
51 THRIVENT CHARITABLE IMPACT & INVESTING
EIN: 411802412 · APPLETON, WI
$264.4M $939.7M 688
52 CHILDREN'S SPECIALTY GROUP INC
EIN: 391990012 · MILWAUKEE, WI
$258.6M $50.6M 588
53 AURORA HEALTH CARE INC
EIN: 391442285 · MILWAUKEE, WI
$258.2M $3.9B 495
54 COMMUNITY MEMORIAL HOSPITAL OF MENOMONEE FALLS INC
EIN: 390987025 · MENOMONEE FALLS, WI
$257.7M $121.6M 653
55 ThedaCare Regional Medical Center - Neenah Inc
EIN: 390830664 · APPLETON, WI
$255.0M $686.2M 668
56 GROUP HEALTH COOPERATIVE OF EAU CLAIRE
EIN: 396252984 · EAU CLAIRE, WI
$248.6M $101.2M 601
57 Gundersen Clinic Ltd
EIN: 391028657 · LA CROSSE, WI
$244.3M $220.1M 549
58 Corporate Central Credit Union
EIN: 391370057 · Muskego, WI
$244.0M $3.0B 647
59 COLUMBIA ST MARY'S INC
EIN: 391834639 · GLENDALE, WI
$238.2M $172.7M 448
60 ThedaCare Regional Medical Center - Appleton Inc
EIN: 390824015 · APPLETON, WI
$237.8M $897.8M 652
61 VERSITI WISCONSIN INC
EIN: 390807235 · MILWAUKEE, WI
$235.2M $188.8M 556
62 COVANTAGE CREDIT UNION
EIN: 390945701 · ANTIGO, WI
$234.4M $3.7B 609
63 ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS INC
EIN: 391390638 · RHINELANDER, WI
$232.5M $133.4M 600
64 EDUCATORS CREDIT UNION
EIN: 390555293 · MT PLEASANT, WI
$231.7M $3.4B 615
65 THE MONROE CLINIC INC
EIN: 390808509 · MONROE, WI
$219.5M $301.9M 620
66 PROHEALTH MEDICAL GROUP INC
EIN: 391083015 · WAUKESHA, WI
$204.3M $178.9M 564
67 GOODWILL RETAIL SERVICES INC
EIN: 392040239 · MILWAUKEE, WI
$203.5M $154.1M 503
68 ASCENSION MEDICAL GROUP-SOUTHEAST WISCONSIN INC
EIN: 391791586 · GLENDALE, WI
$200.2M $57.1M 532
69 OPERATING ENGINEERS LOCAL 139 HEALTH BENEFIT FUND
EIN: 237166771 · PEWAUKEE, WI
$196.2M $529.7M 638
70 PROHEALTH CARE INC
EIN: 391486873 · WAUKESHA, WI
$181.9M $2.0B 574
71 COLUMBIA ST MARY'S HOSPITAL OZAUKEE INC
EIN: 390807063 · GLENDALE, WI
$181.7M $127.8M 589
72 ASPIRUS RIVERVIEW HOSPITAL & CLINICS INC
EIN: 390868982 · WISCONSIN RAPIDS, WI
$178.2M $179.3M 643
73 CONCORDIA UNIVERSITY INC
EIN: 390833608 · MEQUON, WI
$174.2M $186.9M 599
74 CNH WELFARE BENEFIT TRUST
EIN: 367045813 · RACINE, WI
$172.2M $80.9M 659
75 HERZING UNIVERSITY LTD
EIN: 271503981 · MILWAUKEE, WI
$171.4M $166.1M 559
76 MILWAUKEE SCHOOL OF ENGINEERING
EIN: 390477970 · MILWAUKEE, WI
$171.1M $400.4M 604
77 ASPIRUS STEVENS POINT HOSPITAL & CLINICS INC
EIN: 390808443 · STEVENS POINT, WI
$166.4M $87.9M 593
78 MEMORIAL MEDICAL CENTER INC
EIN: 237013497 · ASHLAND, WI
$164.7M $274.5M 652
79 CATHOLIC FINANCIAL LIFE
EIN: 390201015 · MILWAUKEE, WI
$161.8M $1.7B 540
80 ASCENSION ST FRANCIS HOSPITAL INC
EIN: 390907740 · MILWAUKEE, WI
$160.8M $98.4M 575
81 FORT HEALTHCARE INC
EIN: 390286215 · FORT ATKINSON, WI
$160.7M $322.0M 592
82 LAWRENCE UNIVERSITY OF WISCONSIN
EIN: 390806297 · APPLETON, WI
$154.4M $653.8M 662
83 LAKEVIEW MEDICAL CENTER INC OF RICE LAKE
EIN: 390837206 · RICE LAKE, WI
$152.6M $100.2M 585
84 CARROLL UNIVERSITY INC
EIN: 390806325 · WAUKESHA, WI
$147.1M $292.7M 591
85 WISCONSIN ALUMNI RESEARCH FOUNDATION
EIN: 390833612 · MADISON, WI
$140.8M $3.3B 544
86 MY CHOICE WISCONSIN HEALTH PLAN INC
EIN: 270093404 · GREENDALE, WI
$140.4M $59.5M 563
87 St Mary's Hospital Medical Center of Green Bay Inc - Hospital Sisters
EIN: 390818682 · Green Bay, WI
$140.1M $233.5M 597
88 PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL INC
EIN: 390794174 · OCONOMOWOC, WI
$138.7M $115.0M 549
89 FOX COMMUNITIES CREDIT UNION
EIN: 390738415 · APPLETON, WI
$138.0M $2.8B 555
90 CHILDREN'S HOSPITAL OF WISCONSIN FOUNDATION INC
EIN: 391500075 · MILWAUKEE, WI
$134.2M $1.6B 663
91 Sacred Heart Hospital of Hospital Sisters of Third Order of St Francis
EIN: 390807060 · Eau Claire, WI
$133.9M $543.4M 529
92 ST JOSEPH'S COMMUNITY HOSPITAL OF WEST BEND INC
EIN: 390806302 · WEST BEND, WI
$133.7M $85.0M 613
93 CAPITAL CREDIT UNION
EIN: 390394240 · GREEN BAY, WI
$132.2M $2.4B 622
94 DOOR COUNTY MEMORIAL HOSPITAL
EIN: 390806324 · STURGEON BAY, WI
$129.3M $170.1M 653
95 TELEPHONE AND DATA SYSTEMS INC EMPLOYEE BENEFIT TRUST
EIN: 363930160 · Madison, WI
$127.3M $14.8M 565
96 COMMUNITY CARE HEALTH PLAN INC
EIN: 320124346 · BROOKFIELD, WI
$125.5M $43.4M 635
97 ASCENSION MEDICAL GROUP-FOX VALLEY WISCONSIN INC
EIN: 391127163 · MENASHA, WI
$124.4M $36.6M 528
98 WISCONSIN LABORERS' HEALTH FUND
EIN: 237009055 · DEFOREST, WI
$124.2M $359.9M 646
99 CARTHAGE COLLEGE
EIN: 370661496 · KENOSHA, WI
$124.0M $411.9M 556
100 ASPIRUS MEDICAL GROUP INC
EIN: 391670223 · WAUSAU, WI
$121.7M $112.2M 524
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.