Largest Nonprofits in Wisconsin

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
$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 QUARTZ HEALTH PLAN CORPORATION
EIN: 391807071 · FITCHBURG, WI
$431.5M $113.5M 587
30 ASCENSION SE WISCONSIN HOSPITAL INC
EIN: 390816857 · MILWAUKEE, WI
$431.4M $314.6M 585
31 FROEDTERT SOUTH INC
EIN: 390816845 · KENOSHA, WI
$424.0M $668.7M 626
32 LAKELAND CARE INCORPORATED
EIN: 813724993 · FOND DU LAC, WI
$407.8M $76.4M 566
33 ASCENSION ALL SAINTS HOSPITAL INC
EIN: 391264986 · RACINE, WI
$372.7M $302.0M 586
34 FROEDTERT & THE MEDICAL COLLEGE OF WISCONSIN COMMUNITY PHYSICIANS INC
EIN: 272042610 · MENOMONEE FALLS, WI
$371.3M $110.2M 579
35 Thedacare Inc
EIN: 391509362 · Appleton, WI
$365.6M $1.2B 475
36 UNIVERSITY OF WISCONSIN CREDIT UNION
EIN: 390671465 · MADISON, WI
$363.8M $5.7B 622
37 LANDMARK CREDIT UNION
EIN: 390203995 · BROOKFIELD, WI
$356.4M $6.4B 560
38 MARSHFIELD CLINIC HEALTH SYSTEM INC
EIN: 461495343 · MARSHFIELD, WI
$354.5M $711.3M 629
39 CONNEXUS CREDIT UNION
EIN: 390263945 · WAUSAU, WI
$349.1M $4.3B 551
40 INCLUSA FOUNDATION INC
EIN: 813565570 · STEVENS POINT, WI
$348.0M $108.0M 647
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
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.