Highest Assets in Wisconsin (2023)

Top nonprofits ranked by total assets

50 organizations
Year: Latest 2024 2023 2022
# Organization Revenue Assets
1 AURORA HEALTH CARE INC GROUP RETURN
EIN: 611649250 · MILWAUKEE, WI
$6.8B $7.5B
2 SUMMIT CREDIT UNION
EIN: 390230585 · MADISON, WI
$344.6M $6.9B
3 LANDMARK CREDIT UNION
EIN: 390203995 · BROOKFIELD, WI
$356.4M $6.4B
4 COMMUNITY FIRST CREDIT UNION
EIN: 396264347 · APPLETON, WI
$283.7M $5.6B
5 UNIVERSITY OF WISCONSIN CREDIT UNION
EIN: 390671465 · MADISON, WI
$280.9M $5.3B
6 CONNEXUS CREDIT UNION
EIN: 390263945 · WAUSAU, WI
$392.5M $5.3B
7 UNIVERSITY OF WISCONSIN FOUNDATION
EIN: 390743975 · MADISON, WI
$490.5M $5.3B
8 ROYAL CREDIT UNION
EIN: 396072970 · EAU CLAIRE, WI
$300.0M $5.2B
9 AURORA HEALTH CARE INC
EIN: 391442285 · MILWAUKEE, WI
$258.2M $3.9B
10 COVANTAGE CREDIT UNION
EIN: 390945701 · ANTIGO, WI
$190.2M $3.5B
11 FROEDTERT HEALTH INC
EIN: 392014409 · MILWAUKEE, WI
$1.1B $3.4B
12 EDUCATORS CREDIT UNION
EIN: 390555293 · MT PLEASANT, WI
$221.5M $3.2B
13 WISCONSIN ALUMNI RESEARCH FOUNDATION
EIN: 390833612 · MADISON, WI
$-21,573,356 $3.2B
14 Corporate Central Credit Union
EIN: 391370057 · Muskego, WI
$244.0M $3.0B
15 THE MEDICAL COLLEGE OF WISCONSIN INC
EIN: 390806261 · Milwaukee, WI
$1.5B $3.0B
16 Ascendium Education Group Inc
EIN: 391090394 · MADISON, WI
$78.4M $3.0B
17 FOX COMMUNITIES CREDIT UNION
EIN: 390738415 · APPLETON, WI
$138.0M $2.8B
18 CAPITAL CREDIT UNION
EIN: 390394240 · GREEN BAY, WI
$132.2M $2.4B
19 CHILDREN'S HOSPITAL OF WISCONSIN INC
EIN: 390812532 · MILWAUKEE, WI
$938.0M $2.4B
20 Gundersen Lutheran Medical Center Inc
EIN: 390813416 · LA CROSSE, WI
$1.1B $2.0B
21 Marquette University
EIN: 390806251 · Milwaukee, WI
$710.0M $2.0B
22 WESTCONSIN CREDIT UNION
EIN: 390823125 · MENOMONIE, WI
$106.4M $1.9B
23 PROHEALTH CARE INC
EIN: 391486873 · WAUKESHA, WI
$177.9M $1.8B
24 CATHOLIC FINANCIAL LIFE
EIN: 390201015 · MILWAUKEE, WI
$161.8M $1.7B
25 DAIRYLAND POWER COOPERATIVE
EIN: 390233059 · La Crosse, WI
$494.5M $1.6B
26 CHILDREN'S HOSPITAL OF WISCONSIN FOUNDATION INC
EIN: 391500075 · MILWAUKEE, WI
$134.2M $1.6B
27 VERVE CREDIT UNION
EIN: 390711674 · OSHKOSH, WI
$70.1M $1.5B
28 FROEDTERT MEMORIAL LUTHERAN HOSPITAL INC
EIN: 396105970 · MILWAUKEE, WI
$2.5B $1.3B
29 Thedacare Inc
EIN: 391509362 · Appleton, WI
$365.6M $1.2B
30 BELLIN MEMORIAL HOSPITAL INC
EIN: 390884478 · GREEN BAY, WI
$746.1M $1.1B
31 MARINE CREDIT UNION
EIN: 390827305 · LA CROSSE, WI
$86.5M $1.0B
32 GUNDERSEN LUTHERAN ADMINISTRATIVE SERVICES INC
EIN: 391606449 · LA CROSSE, WI
$866.3M $1.0B
33 GREATER MILWAUKEE FOUNDATION INC
EIN: 396036407 · MILWAUKEE, WI
$78.0M $1.0B
34 MERITER HOSPITAL INC
EIN: 390806367 · MADISON, WI
$625.7M $991.6M
35 ASPIRUS INC
EIN: 391328331 · WAUSAU, WI
$24.2M $991.3M
36 WESTBY CO-OP CREDIT UNION
EIN: 390966273 · WESTBY, WI
$52.2M $913.2M
37 MCHS HOSPITALS INC
EIN: 810977948 · MARSHFIELD, WI
$1.5B $910.3M
38 Mercy Health System Corporation
EIN: 390816848 · JANESVILLE, WI
$685.9M $870.4M
39 St Vincent Hospital of the Hospital Sisters of the Third Order of St Franci s
EIN: 390817529 · Green Bay, WI
$673.7M $867.8M
40 ThedaCare Regional Medical Center - Appleton Inc
EIN: 390824015 · APPLETON, WI
$429.1M $815.3M
41 BLACKHAWK COMMUNITY CREDIT UNION
EIN: 396086299 · JANESVILLE, WI
$44.6M $814.1M
42 INDIAN COMMUNITY SCHOOL INC
EIN: 391154960 · FRANKLIN, WI
$26.8M $805.9M
43 SUPERIOR CHOICE CREDIT UNION
EIN: 390906277 · SUPERIOR, WI
$49.3M $804.1M
44 THRIVENT CHARITABLE IMPACT & INVESTING
EIN: 411802412 · APPLETON, WI
$114.8M $801.7M
45 MARSHFIELD CLINIC INC
EIN: 390452970 · MARSHFIELD, WI
$633.6M $800.0M
46 MERITER HEALTH SERVICES INC
EIN: 391412318 · MADISON, WI
$4.6M $794.6M
47 University of Wisconsin Medical Foundation Inc
EIN: 391824445 · Middleton, WI
$1.2B $747.4M
48 Sacred Heart Hospital of Hospital Sisters of Third Order of St Francis
EIN: 390807060 · Eau Claire, WI
$228.8M $695.8M
49 AGNESIAN HEALTHCARE INC
EIN: 390807236 · FOND DU LAC, WI
$521.5M $689.1M
50 MARSHFIELD CLINIC HEALTH SYSTEM INC
EIN: 461495343 · MARSHFIELD, WI
$356.6M $687.5M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.