| AURORA HEALTH CARE INC GROUP RETURN | Milwaukee | — | $7.4B | 87 |
| FROEDTERT MEMORIAL LUTHERAN HOSPITAL | Milwaukee | E21 Health Care | $2.5B | 7 |
| Gundersen Lutheran Medical Center Inc | La Crosse | E220 Health Care | $1.6B | 42 |
| THE MEDICAL COLLEGE OF WISCONSIN INC | Milwaukee | B430 Education | $1.5B | 35 |
| MCHS HOSPITALS INC | Marshfield | E20 Health Care | $1.5B | 9 |
| SECURITY HEALTH PLAN OF WISCONSIN INC | Marshfield | — | $1.4B | 14 |
| University of Wisconsin Medical | Middleton | E220 Health Care | $1.2B | 21 |
| Gundersen Lutheran Administrative Services Inc | La Crosse | E21I Health Care | $1.2B | 44 |
| FROEDTERT HEALTH INC | Milwaukee | E21 Health Care | $1.1B | 16 |
| Delta Dental of Wisconsin Inc | Stevens Point | — | $984M | 23 |
| CHILDREN'S HOSPITAL OF WISCONSIN INC | Milwaukee | E240 Health Care | $938M | 16 |
| BELLIN MEMORIAL HOSPITAL INC | Green Bay | E220 Health Care | $834.7M | 18 |
| COMMUNITY CARE INC | Brookfield | P800 Human Services | $807.6M | 5 |
| Marquette University | Milwaukee | B430 Education | $710M | 18 |
| Mercy Health System Corporation | Janesville | E220 Health Care | $685.9M | 24 |
| ASPIRUS WAUSAU HOSPITAL INC | Wausau | E220 Health Care | $681.3M | 28 |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Franci | Green Bay | E220 Health Care | $673.7M | 11 |
| PROHEALTH WAUKESHA MEMORIAL | Waukesha | E220 Health Care | $662M | 8 |
| MARSHFIELD CLINIC INC | Marshfield | E300 Health Care | $633.6M | 26 |
| MERITER HOSPITAL INC | Madison | E220 Health Care | $625.7M | 16 |
| AGNESIAN HEALTHCARE INC | Fond Du Lac | E220 Health Care | $521.5M | 16 |
| GROUP HEALTH COOPERATIVE OF SOUTH | Madison | E310 Health Care | $518.1M | 28 |
| UNIVERSITY OF WISCONSIN FOUNDATION | Madison | B110 Education | $490.5M | 19 |
| DAIRYLAND POWER COOPERATIVE | La Crosse | — | $485.8M | 48 |
| CHORUS COMMUNITY HEALTH PLANS INC | Milwaukee | E80 Health Care | $473.6M | 11 |
| COMMON GROUND HEALTHCARE COOPERATIVE | Brookfield | E99 Health Care | $459.4M | 26 |
| INCLUSA FOUNDATION INC | Stevens Point | E21 Health Care | $439M | 24 |
| QUARTZ HEALTH PLAN CORPORATION | Fitchburg | — | $431.5M | 6 |
| ThedaCare Regional Medical Center - Appleton Inc | Appleton | E220 Health Care | $429.1M | 8 |
| FROEDTERT SOUTH INC | Kenosha | E220 Health Care | $424M | 11 |
| LAKELAND CARE INCORPORATED | Fond Du Lac | E02 Health Care | $407.8M | 15 |
| FROEDTERT & THE MEDICAL COLLEGE OF | Menomonee Falls | E30 Health Care | $371.3M | 8 |
| Thedacare Inc | Appleton | E20 Health Care | $365.6M | 12 |
| UNIVERSITY OF WISCONSIN CREDIT UNION | Madison | — | $363.8M | 21 |
| LANDMARK CREDIT UNION | Brookfield | — | $356.4M | 21 |
| MARSHFIELD CLINIC HEALTH SYSTEM INC | Marshfield | E11 Health Care | $354.5M | 41 |
| CONNEXUS CREDIT UNION | Wausau | — | $349.1M | 23 |
| ROGERS MEMORIAL HOSPITAL INC | Oconomowoc | E22Z Health Care | $346.8M | 17 |
| SUMMIT CREDIT UNION | Madison | — | $344.6M | 26 |
| WISCONSIN COUNTIES ASSOCIATION GROUP | Madison | — | $331.4M | 7 |
| CHILDREN'S HOSPITAL AND HEALTH SYSTEM | Milwaukee | E240 Health Care | $304.5M | 20 |
| ROYAL CREDIT UNION | Eau Claire | — | $300M | 20 |
| Ascendium Education Solutions Inc | Madison | B82Z Education | $298.2M | 17 |
| KOHLER FOUNDATION INC | Kohler | — | $294.4M | 0 |
| KOHLER TRUST FOR CLEAN WATER | Kohler | C11 Environment | $287.6M | 0 |
| COMMUNITY FIRST CREDIT UNION | Appleton | — | $283.7M | 11 |
| BELOIT HEALTH SYSTEM INC | Beloit | E220 Health Care | $277.2M | 16 |
| G O FORWARD CHARITABLE TRUST | Milwaukee | Y11 Mutual & Membership Benefit | $266.2M | 1 |
| THRIVENT CHARITABLE IMPACT & INVESTING | Appleton | T31 Philanthropy, Voluntarism & Grantmaking Foundations | $264.4M | 1 |
| CHILDREN'S SPECIALTY GROUP INC | Milwaukee | E240 Health Care | $258.6M | 4 |
