Data / Nonprofits / Wisconsin / Waukesha
Nonprofits in Waukesha, WI: 466 registered with the IRS
466 nonprofits are registered with the IRS in Waukesha, WI, 399 of them 501(c)(3) charities; the 179 that report revenue took in $2.02 billion. The largest by revenue: Prohealth Waukesha Memorial Hospital Inc ($693.8 million), Prohealth Care Inc ($216 million), Prohealth Medical Group Inc ($203 million). Most common causes: education (50), philanthropy, voluntarism and grantmaking foundations (41), religion-related (36).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Prohealth Waukesha Memorial Hospital Inc | Health care | 501(c)(3) | 1958 | $693.8 million | $620 million | 2025-09 |
| Prohealth Care Inc | 501(c)(3) | 1984 | $216 million | $2.24 billion | 2025-09 | |
| Prohealth Medical Group Inc | Health care | 501(c)(3) | 2014 | $203 million | $174.5 million | 2025-09 |
| Carroll University Inc | Education | 501(c)(3) | 1942 | $147.1 million | $292.7 million | 2025-06 |
| Prohealth Oconomowoc Memorial Hospital Inc | Health care | 501(c)(3) | 1956 | $134 million | $114.4 million | 2025-09 |
| Wisconsin Compensation Rating Bureau As Trustees for Claimants | 501(c)(6) | 1965 | $72.6 million | $250.6 million | 2024-12 | |
| Wisconsin Sheet Metal Health and Benefit Trust Fund | 501(c)(9) | 1987 | $58.6 million | $56.8 million | 2024-12 | |
| Chiara Housing and Services Inc | Housing and shelter | 501(c)(3) | 2021 | $55.6 million | $382.5 million | 2025-12 |
| Chiara Communities Inc | Housing and shelter | 501(c)(3) | 2015 | $40.8 million | $154.3 million | 2025-12 |
| Flight for Life Inc | Health care | 501(c)(3) | 2024 | $38.8 million | $27.3 million | 2024-12 |
| Hope Christian Schools Inc | 501(c)(3) | 2012 | $30.3 million | $8.9 million | 2025-06 | |
| National Regency of New Berlin Inc | Human services | 501(c)(3) | 1967 | $26.6 million | $108.6 million | 2025-09 |
| La Casa de Esperanza | 501(c)(3) | 1967 | $25.3 million | $26.8 million | 2025-12 | |
| Prohealth Home Care Inc | Health care | 501(c)(3) | 2004 | $20.9 million | $6.9 million | 2025-09 |
| The American Society of Gene & Cell Therapy | Medical research | 501(c)(3) | 1997 | $16.9 million | $27 million | 2024-12 |
| Wisconsin Fox River Valley Sheet Metal Workers Welfare Trust | 501(c)(9) | 1968 | $15.8 million | $19.2 million | 2025-05 | |
| Wisconsin Compensation Rating Bureau | 501(c)(6) | 1952 | $12.7 million | $8.4 million | 2024-12 | |
| Open Sky Education Inc | Education | 501(c)(3) | 2007 | $12.2 million | $16.5 million | 2025-06 |
| Mra-The Management Association Inc | 501(c)(6) | 1968 | $11.7 million | $20.6 million | 2024-12 | |
| Waukesha County Community Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $11.6 million | $76.6 million | 2024-12 |
| International Association of Sheet Metal Air Rail & Transportation | Employment | 501(c)(5) | 2015 | $11.6 million | $12.6 million | 2025-09 |
| Food Pantry of Waukesha County Inc | 501(c)(3) | 1985 | $10.9 million | $6.1 million | 2025-09 | |
| Society of St Vincent de Paul of Waukesha County Inc | Human services | 501(c)(3) | 2020 | $10 million | $13.7 million | 2025-09 |
| Mra Institute of Management Inc | 501(c)(3) | 1984 | $8 million | $10.4 million | 2024-12 | |
| Mill Creek Academy Inc | Education | 501(c)(3) | 2023 | $7.5 million | $84,410 | 2025-06 |
| Wisconsin Evangelical Lutheran Synod Kingdom Workers Inc | Religion-related | 501(c)(3) | 1994 | $6.3 million | $4.9 million | 2025-12 |
| Eagle Arizona | Education | 501(c)(3) | 2012 | $6.2 million | $2.9 million | 2025-06 |
| Humane Animal Welfare Society of Waukesha County Inc | Animal-related | 501(c)(3) | 1968 | $6.1 million | $17.2 million | 2025-06 |
| GPS Education Partners Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $6.1 million | $5.8 million | 2025-06 |
| National Centers for Learning Excellence Inc | Education | 501(c)(3) | 1974 | $6 million | $7.9 million | 2025-06 |
| Compass Facilities Inc | Education | 501(c)(3) | 2013 | $5.1 million | $51.2 million | 2025-06 |
| Habitat for Humanity of | 501(c)(3) | 1987 | $5 million | $4.8 million | 2025-06 | |
| Eagle South Mountain Charter Inc | Education | 501(c)(3) | 2010 | $5 million | $3.6 million | 2025-06 |
| Montessori School of Waukesha Inc | Education | 501(c)(3) | 1966 | $4.4 million | $5.6 million | 2025-06 |
| Prohealth Care Foundation Inc | Health care | 501(c)(3) | 2014 | $4.1 million | $44.5 million | 2025-09 |
| Milwaukee Area Sheet Metal Apprenticeship & Training Trust | Education | 501(c)(3) | 1975 | $3.4 million | $8.7 million | 2024-12 |
| Waukesha County Community Dental Clinic Inc | Health care | 501(c)(3) | 2007 | $3.3 million | $4.3 million | 2025-12 |
| The Womens Center Inc | Human services | 501(c)(3) | 1977 | $3.3 million | $9.6 million | 2024-12 |
| Se Wi Emergency Support Group Inc | Food, agriculture and nutrition | 501(c)(3) | 2020 | $3.2 million | $116,401 | 2024-12 |
| Nami Southeast Wisconsin Inc | 501(c)(3) | 1985 | $2.7 million | $1.7 million | 2025-12 | |
| Bridging Brighter Smiles Inc | Health care | 501(c)(3) | 2013 | $2.6 million | $1.7 million | 2025-06 |
| Wisconsin Institute of Certified Public Accountants Inc | 501(c)(6) | 1971 | $2.6 million | $5.9 million | 2025-04 | |
| Forward Careers Inc | Employment | 501(c)(3) | 1990 | $2.3 million | $1.6 million | 2025-06 |
| Eras Senior Network Inc | 501(c)(3) | 1981 | $2.2 million | $1.5 million | 2025-12 | |
| Association for High Techology Distribution | 501(c)(6) | 1987 | $2.1 million | $2 million | 2025-12 | |
| Boy Scouts of America | Youth development | 501(c)(3) | 1965 | $2 million | $4.3 million | 2025-12 |
| Waukesha County Business Alliance Inc | 501(c)(6) | 1942 | $1.9 million | $2.2 million | 2025-06 | |
| Lifestriders Inc | Health care | 501(c)(3) | 2006 | $1.7 million | $4.3 million | 2024-12 |
| Wishope Inc | Mental health and crisis intervention | 501(c)(3) | 2019 | $1.7 million | $334,971 | 2024-12 |
| Metropolitan Builders Association of Greater Milwaukee | 501(c)(6) | 1960 | $1.7 million | $2.5 million | 2024-12 | |
| Family Service Agency of Waukesha County Inc | Human services | 501(c)(3) | 1965 | $1.6 million | $1.5 million | 2025-12 |
| Madison Area Sheet Metal Workers Education Trust | Employment | 501(c)(3) | 1982 | $1.6 million | $3.5 million | 2025-07 |
| Fox Valley Area Sheet Metal Workers Journeyman & Apprentice Training F | Education | 501(c)(3) | 2019 | $1.5 million | $3.2 million | 2025-05 |
| Hope Center Inc | 501(c)(3) | 1987 | $1.5 million | $4.4 million | 2023-12 | |
| Waukesha Gun Club Inc | Recreation and sports | 501(c)(4) | 2009 | $1.4 million | $2.4 million | 2025-12 |
| Waukesha County Fair Association | Recreation and sports | 501(c)(3) | 1998 | $1.4 million | $515,478 | 2023-09 |
| Adaptive Community Approach Program Incorporated | Human services | 501(c)(3) | 1997 | $1.3 million | $1.4 million | 2025-12 |
| Admirato Inc | Religion-related | 501(c)(3) | 2014 | $1.2 million | $300,248 | 2025-12 |
| Waukesha Express Swim Team Inc | Recreation and sports | 501(c)(3) | 1981 | $1.2 million | $103,526 | 2025-08 |
| The Chicago Fund for Healthier Communities | Human services | 501(c)(3) | 2010 | $1.2 million | $24 million | 2025-12 |
| Waukesha & Pewaukee Convention and Visitors Bureau | 501(c)(6) | 1998 | $947,930 | $2.2 million | 2025-12 | |
| Waukesha Civic Theatre Inc | Arts, culture and humanities | 501(c)(3) | 1967 | $821,036 | $5.2 million | 2025-06 |
| Addiction Resource Council Inc | Mental health and crisis intervention | 501(c)(3) | 1973 | $751,743 | $456,665 | 2024-12 |
| Sheet Metal Workers Local 18 EL&W | Education | 501(c)(3) | 1976 | $727,937 | $1.1 million | 2025-05 |
| Wisconsin Independent Learning College Inc | Education | 501(c)(3) | 2013 | $644,251 | $275,044 | 2024-12 |
| Kindergarten Preparatory Preschool Inc | 501(c)(3) | 1975 | $608,931 | $58,877 | 2025-12 | |
| Project Echelon LTD | Mental health and crisis intervention | 501(c)(3) | 2022 | $599,260 | $274,203 | 2025-12 |
| The Starting Point Project Inc | Religion-related | 501(c)(3) | 2008 | $582,014 | $416,115 | 2024-12 |
| Eei Compass Educational Partners Inc | Education | 501(c)(3) | 2014 | $564,892 | $286,383 | 2025-06 |
| Lacasa Village Inc | Housing and shelter | 501(c)(3) | 2000 | $510,152 | $988,061 | 2024-12 |
| Waukesha County Youth Hockey Association Inc | 501(c)(3) | 1974 | $506,974 | $370,933 | 2025-06 | |
| Kappa Sigma Fraternity Building Association | 501(c)(2) | 1941 | $500,985 | $2.1 million | 2025-05 | |
| Parents Place Inc | 501(c)(3) | 1994 | $477,911 | $597,833 | 2025-12 | |
| Bryon Riesch Paralysis Foundation Inc | Medical research | 501(c)(3) | 2001 | $473,232 | $322,814 | 2025-09 |
| Women and Girls Fund of Waukesha County Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $460,365 | $1.1 million | 2024-12 |
| West African Mercy Ministries | International, foreign affairs and national security | 501(c)(3) | 2005 | $416,354 | $218,491 | 2025-12 |
| Waukesha Service Club Inc | Health care | 501(c)(3) | 1947 | $414,579 | $317,916 | 2025-05 |
| Boy Scouts of America | 501(c)(3) | 1965 | $383,591 | $3.1 million | 2025-12 | |
| Three Oaks Circle Inc | Housing and shelter | 501(c)(3) | 1999 | $378,217 | $1.4 million | 2025-06 |
| Team Up With Families Inc | Housing and shelter | 501(c)(3) | 1996 | $361,160 | $458,053 | 2025-12 |
| Donna Lexa Community Art Centers | Health care | 501(c)(3) | 1985 | $359,633 | $133,213 | 2024-12 |
| Waukesha County Center for Growth Inc | Community improvement and capacity building | 501(c)(3) | 2016 | $355,350 | $960,374 | 2025-12 |
| Junior Cup Golf | Recreation and sports | 501(c)(3) | 2022 | $353,178 | $362,934 | 2024-12 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $342,574 | $423,142 | 2026-03 | |
| Chiara Communities Foundation Inc | Housing and shelter | 501(c)(3) | 2022 | $341,966 | $386,164 | 2025-12 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $318,171 | $737,707 | 2025-05 | |
| Waukesha Free Clinic Inc | 501(c)(3) | 1977 | $310,479 | $2.3 million | 2025-12 | |
| Wisconsin Underground Contractors Association Inc | 501(c)(6) | 1939 | $287,875 | $195,158 | 2025-11 | |
| Safari Club International Foundation | Animal-related | 501(c)(3) | 2004 | $284,022 | $432,501 | 2026-06 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $278,858 | $292,802 | 2025-09 | |
| The Wisconsin Philharmonic Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $274,277 | $332,363 | 2025-05 |
| Pillows With Wings Inc | Human services | 501(c)(3) | 2018 | $263,829 | $128,555 | 2025-12 |
| Association for the Rights of Citizens With Handicaps Inc | 501(c)(3) | 1990 | $262,063 | $517,735 | 2024-12 | |
| Women in Technology Wisconsin Inc | Youth development | 501(c)(3) | 2015 | $256,572 | $403,626 | 2025-12 |
| Teens Take On Climate Inc | Environment | 501(c)(3) | 2022 | $253,820 | $11,022 | 2024-12 |
| Chosen Inc of Wisconsin | Human services | 501(c)(3) | 2015 | $253,385 | $278,391 | 2025-12 |
| MS - Just Keep Moving Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $252,991 | $305,629 | 2025-12 |
| Muskies Inc | 501(c)(3) | 2014 | $245,491 | $317,976 | 2025-12 | |
| Sheet Metal 18 Local Training Fund | Education | 501(c)(3) | 2017 | $233,951 | $403,797 | 2024-12 |
| Brookfield Christian High School Inc | Education | 501(c)(3) | 2025 | $225,000 | $210,000 | 2025-06 |
| Waukesha Blazers Baseball Club | Recreation and sports | 501(c)(3) | 2023 | $223,727 | $305,767 | 2025-10 |
| Federation of Environment Technologists Inc | Environment | 501(c)(3) | 1984 | $222,290 | $208,758 | 2025-06 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $215,378 | $639,179 | 2025-05 | |
| Helping Hands Missions Corp | International, foreign affairs and national security | 501(c)(3) | 2014 | $202,605 | $49,863 | 2025-12 |
| Waukesha County Historical Society & Museum Inc | 501(c)(3) | 1965 | $189,653 | $1.4 million | 2025-06 | |
| La Casa Village II Inc | Housing and shelter | 501(c)(3) | 1998 | $175,199 | $943,169 | 2024-12 |
| Wels Lutheran Military Support Group Inc | Public and societal benefit | 501(c)(3) | 2015 | $174,712 | $64,251 | 2025-12 |
| Center for Animal Rehabilitation & Education Inc | Animal-related | 501(c)(3) | 1998 | $171,246 | $257,301 | 2024-12 |
| Society of St Vincent de Paul | Human services | 501(c)(3) | 2020 | $166,770 | $3,727 | 2025-09 |
| Wisconsin Landscape Contractors Association Inc | 501(c)(5) | 1982 | $165,515 | $228,958 | 2025-12 | |
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $162,626 | $84,158 | 2026-07 |
| La Casa Evangelica Inc | 501(c)(3) | 1978 | $146,474 | $406,393 | 2025-02 | |
| Wisconsin Institute of Certified Public Accts Educational FD Inc | Education | 501(c)(3) | 1960 | $145,958 | $2.3 million | 2025-04 |
| Community Care Hud Housing Inc | Housing and shelter | 501(c)(3) | 2014 | $144,883 | $363,349 | 2025-12 |
| Plowshare Center Inc | 501(c)(3) | 1994 | $143,035 | $173,484 | 2025-12 | |
| International Association of Fire Fighters | 501(c)(5) | 1940 | $136,942 | $249,493 | 2025-12 | |
| Seaglass Ministries LTD | Religion-related | 501(c)(3) | 2017 | $136,694 | $10,388 | 2024-12 |
| Waukesha Deputy Charities Association Inc | Youth development | 501(c)(3) | 2015 | $135,764 | $434,563 | 2025-12 |
| Waukesha West Boys Basketball Corp | Youth development | 501(c)(3) | 2018 | $130,801 | $159,788 | 2025-06 |
| Badgerland Water Ski Shows Inc | Recreation and sports | 501(c)(3) | 1999 | $129,900 | $249,471 | 2025-12 |
| Waukesha Education Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $128,544 | $256,399 | 2024-12 |
| Waukesha Downtown Association | Community improvement and capacity building | 501(c)(6) | 2024 | $121,962 | $28,403 | 2024-12 |
| Buddha Haksa Corporation | 501(c)(3) | 1994 | $112,238 | $2.5 million | 2025-12 | |
| Waukesha Police K9 Foundation Inc | 501(c)(3) | 2023 | $110,092 | $159,080 | 2025-12 | |
| Housing Action Coalition of Waukesha County Inc | Housing and shelter | 501(c)(3) | 2009 | $107,828 | $1.3 million | 2025-12 |
| WS Basketball Club Inc | Youth development | 501(c)(3) | 2023 | $104,129 | $46,006 | 2024-09 |
| Wisconsin Automobile Insurance Plan | 501(c)(6) | $100,000 | $85,534 | 2024-12 | ||
| Piano Arts of Wisconsin Inc | Arts, culture and humanities | 501(c)(3) | 1997 | $97,513 | $148,914 | 2025-08 |
| Nabip Wisconsin Chapter | Health care | 501(c)(6) | 2023 | $94,849 | $77,807 | 2025-06 |
| Wisconsin Self-Storage Association Inc | Community improvement and capacity building | 501(c)(6) | 2003 | $94,045 | $501,719 | 2025-12 |
| Club Cristiano de Futbol Inc | Recreation and sports | 501(c)(3) | 2020 | $92,505 | $1 | 2025-12 |
| American Breweriana Association | 501(c)(3) | 1983 | $90,061 | $24,617 | 2024-12 | |
| Waukesha West Booster Club Inc | Education | 501(c)(3) | 2015 | $89,307 | $61,575 | 2026-04 |
| The@city of Waukesha Chamber of Commerce Inc | Community improvement and capacity building | 501(c)(6) | 2023 | $88,065 | $113,162 | 2024-12 |
| Midwest Alliance Pca Inc | Religion-related | 501(c)(3) | 2020 | $87,035 | $8,246 | 2025-12 |
| Superficial Siderosis Research Alliance | Medical research | 501(c)(3) | 2019 | $86,443 | $238,431 | 2025-12 |
| Divine Change Inc | Human services | 501(c)(3) | 2024 | $84,019 | $48,203 | 2025-12 |
| Healing Hearts of Waukesha County Inc | Mental health and crisis intervention | 501(c)(3) | 2010 | $83,654 | $55,420 | 2025-06 |
| Waukesha Youth Football Inc | Recreation and sports | 501(c)(3) | 2019 | $74,955 | $249,244 | 2025-12 |
| Snowdrop Ministries Inc | Religion-related | 501(c)(3) | 2011 | $72,902 | $25,124 | 2025-12 |
| Friends of Retzer Nature Center Inc | 501(c)(3) | 1994 | $70,520 | $277,898 | 2025-12 | |
| Waukesha Deputy Sheriffs Association Inc | Recreation and sports | 501(c)(4) | 2002 | $69,599 | $346,520 | 2025-12 |
| Rose Glen Pto Inc | Education | 501(c)(3) | 1993 | $69,233 | $216,698 | 2024-06 |
| Waukesha Professional Police Association Inc | 501(c)(5) | 1999 | $68,534 | $117,083 | 2025-12 | |
| Paul Davis Charitable Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $66,152 | $11,029 | 2025-12 |
| Uwm at Waukesha Foundation Inc | 501(c)(3) | 1987 | $61,082 | $1.9 million | 2023-06 | |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $60,851 | $62,591 | 2025-07 |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $58,830 | $216,480 | 2025-12 |
| Learning in Retirement of Waukesha County | Education | 501(c)(3) | 2019 | $58,028 | $25,596 | 2025-06 |
| Waukesha North High School Boosterclub Inc | Education | 501(c)(3) | 2025 | $49,245 | $70,266 | 2025-12 |
| Waukesha Kiwanis Foundation Inc | 501(c)(3) | 1956 | $46,120 | $285,650 | 2025-09 | |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $45,858 | $125,169 | 2025-06 |
| Wisdom Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $45,784 | $49,985 | 2025-12 |
| Greater Milwaukee El Sistema Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $43,597 | $104,629 | 2025-12 |
| Waukesha County Green Team Inc | Environment | 501(c)(3) | 2014 | $43,595 | $32,513 | 2025-12 |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $42,012 | $29,267 | 2025-07 | |
| Pta Wisconsin Congress | 501(c)(3) | 1972 | $40,962 | $44,500 | 2025-06 | |
| Alano Club of Waukesha Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $40,323 | $348,601 | 2025-02 |
| Summit View Parent Teacher Organization | Education | 501(c)(3) | 1993 | $39,690 | $54,621 | 2025-05 |
| Waukesha Fire Fighters Charity Inc | Human services | 501(c)(3) | 2014 | $39,605 | $46,935 | 2025-12 |
| Waukesha Rotary Club Charitable Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $38,740 | $94,552 | 2025-06 |
| 1936 Macarthur Inc | Education | 501(c)(3) | 2019 | $36,000 | $367,979 | 2024-12 |
| Waukesha Noon Lions Club Foundation | Community improvement and capacity building | 501(c)(3) | 2012 | $33,016 | $36,331 | 2026-06 |
| Bright Rising Studio Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $30,412 | $11,789 | 2025-05 |
| Golf Fore Sandy Foundation | Medical research | 501(c)(3) | 2022 | $28,950 | $13,999 | 2024-12 |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1940 | $27,488 | $562,876 | 2025-12 | |
| Park Foundation of Waukesha Inc | Human services | 501(c)(3) | 2014 | $27,242 | $110,189 | 2024-12 |
| Fox River Bandits Baseball Club Inc | Recreation and sports | 501(c)(3) | 2020 | $25,850 | $5,430 | 2025-12 |
| Empowering Change Through Healthy Opportunities Inc | Health care | 501(c)(3) | 2010 | $20,361 | $48,325 | 2025-12 |
| Waukesha String Academie Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $20,190 | $8,752 | 2025-08 |
| Lowell School Parent Teacher Organization Inc | Education | 501(c)(3) | 1994 | $18,067 | $32,741 | 2025-06 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $15,924 | $19,452 | 2025-09 | |
| Marleh Lehmann Scholarship Foundation | Education | 501(c)(3) | 2021 | $15,536 | $66,474 | 2025-12 |
| La Casa de Esperanza Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $7,787 | $148,994 | 2024-12 |
| Andy Niebler Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2013 | $4,374 | $1,539 | 2025-12 |
| Wisconsin Southeastern Division Inc Nmra | Education | 501(c)(3) | 1995 | $3,987 | $100,621 | 2025-10 |
| Pta Wisconsin Congress | 501(c)(3) | 1972 | $2,042 | $34,192 | 2025-06 | |
| Christian Outreach & Development International Inc | International, foreign affairs and national security | 501(c)(3) | 2017 | $600 | $3,602 | 2024-12 |
| 7 Hour Plane Crash Foundation | Environment | 501(c)(3) | 2025 | $18,000 | 2025-12 | |
| Aarambh - Indian Dance School Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Abundant Life Family Church Inc | 501(c)(3) | 1989 | ||||
| Acts 2 Lutheran Church LTD | Religion-related | 501(c)(3) | 2016 | |||
| Ada Foundation Inc | Medical research | 501(c)(3) | 2025 | |||
| Addison Dogs | Animal-related | 501(c)(3) | 2006 | $0 | $0 | 2024-01 |
| Albert J and Flora H Ellinger Foundation Inc | 501(c)(3) | 1971 | $2 million | 2025-12 | ||
| Alleluia Singers | Religion-related | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Alpha Gamma Delta Fraternity | 501(c)(7) | 1945 | $0 | $0 | 2025-05 | |
| Alpha Gamma Delta Fraternity | 501(c)(7) | 1941 | $0 | $0 | 2026-06 | |
| American College of Dentists | 501(c)(6) | 1985 | $0 | $0 | 2023-12 | |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1956 | $0 | $0 | 2025-12 | |
| American Harp Society | 501(c)(3) | 1977 | $0 | $0 | 2024-12 | |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2024-06 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| Angels of Our Future Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $1 | 2024-12 | |
| Anthros Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Asb Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $1 | 2024-12 | |
| Badgerland Basset Hound Club Inc | 501(c)(7) | 1989 | $0 | $0 | 2024-12 | |
| Banting School Pto Inc | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Be the Spark 1316 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Beautiful Savior Lutheran Church and School | 501(c)(3) | 1941 | 2014-06 | |||
| Berean Grace Bible Church | Religion-related | 501(c)(3) | 1997 | |||
| Bethesda Elementary P T O Inc | Education | 501(c)(3) | 1994 | $0 | $0 | 2025-06 |
| Beverly McCormick Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $3.1 million | 2024-12 | |
| Bibles On the Move Inc | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Big Unit Foundation | Public and societal benefit | 501(c)(3) | 2025 | $51,788 | 2025-12 | |
| Bikers Advocating Child Safety | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Birth Fest Inc | Health care | 501(c)(3) | 2022 | $6,423 | 2025-06 | |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | 501(c)(3) | 2014 | $0 | $0 | 2025-10 | |
| Board of Regents of the University of Wisconsin System | 501(c)(3) | 2014 | $0 | $0 | 2025-10 | |
| Board of Regents of the University of Wisconsin System | 501(c)(3) | 2014 | $0 | $0 | 2025-10 | |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | 501(c)(3) | 2014 | $0 | $0 | 2025-10 | |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2023-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2023-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Board of Regents of the University of Wisconsin System | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Bob Daniel Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Book Ahead Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Brain Injury Resource Center of Wisconsin | Diseases, disorders and medical disciplines | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Bridge Church of the Assemblies of God Inc | 501(c)(3) | 1964 | 2013-12 | |||
| British Car Field Day LTD | Recreation and sports | 501(c)(4) | 1999 | $0 | $0 | 2025-09 |
| Camp Read | Human services | 501(c)(3) | 2026 | |||
| Catholic Memorial High School of Waukesha Inc | Education | 501(c)(3) | 2014 | 2025-06 | ||
| Chi Omega Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2026-04 | |
| Chiara Affordable Housing Inc | Housing and shelter | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Chihuahua Club of Greater Milwaukee Inc | Animal-related | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Christ Community Church of Waukesha Wisconsin Incorporated | 501(c)(3) | 1991 | ||||
| Christ the Life Evangelical Lutheran Church | 501(c)(3) | 1941 | 2012-12 | |||
| Christ the Servant Lutheran Church | 501(c)(3) | 1988 | 2013-12 | |||
| Christian Classical Collaborative | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Christian Congregation in the United States | Religion-related | 501(c)(3) | 1968 | |||
| Chronic Joy Ministry Inc | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Church Leadership Center Inc | Religion-related | 501(c)(3) | 2013 | $22,129 | 2025-06 | |
| Church of Chance Inc | Religion-related | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Comer Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1988 | $10.7 million | 2024-12 | |
| Comer Science and Education Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $68.7 million | 2024-12 | |
| Community of the Living Spirit Inc | Religion-related | 501(c)(3) | 2004 | |||
| Connect-Nourish-Grow Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 | |
| Corpus Christi Congregation | 501(c)(3) | 1946 | ||||
| Covenant Connection Ministries | Religion-related | 501(c)(3) | 2005 | |||
| Crimestoppers of Waukesha County Incorporated | Crime and legal-related | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Crosswalk Church of the Christian and Missionary Alliance Inc | 501(c)(3) | 1972 | ||||
| Cuddles for Kids Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Delta Sigma Phi Eta Omicron Alumni Chapter | Education | 501(c)(7) | 1942 | |||
| Demolay International | 501(c)(3) | 1996 | $0 | $0 | 2025-12 | |
| Dignity Bags of Hope Inc | Community improvement and capacity building | 501(c)(3) | 2024 | |||
| Disabled American Veterans Auxiliary Inc | 501(c)(4) | 1973 | $0 | $0 | 2024-06 | |
| Doberman Rescue Alliance of Wisconsin Inc | Animal-related | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Dorn Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $1 million | 2025-12 | |
| Dorothy Kopmeier Vallier Foundation Inc | 501(c)(3) | 1974 | $1.9 million | 2025-06 | ||
| Dreamers Center for Creative Arts Inc | Arts, culture and humanities | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Dreams Faith Foundation | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Elim Retreat Ministries | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Ellenbecker Investment Groupcharitable Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $580,308 | 2023-12 | |
| Empowerher Legacy Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Everwild Therapy & Wellness Inc | Human services | 501(c)(3) | 2026 | |||
| Faith Baptist Church Inc | 501(c)(3) | 1976 | 2013-12 | |||
| Family Chapel Inc | Religion-related | 501(c)(3) | 2009 | |||
| Fay Swinney Memorial Mission Grants & Scholarship Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $2.6 million | 2025-12 | |
| First Baptist Church | 501(c)(3) | 1955 | ||||
| First United Methodist Church | 501(c)(3) | 1974 | 2013-12 | |||
| Focused Faith Ministries International | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Fox River Christian Church | Religion-related | 501(c)(3) | 2005 | 2006-12 | ||
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Friends of Prairie Home Cemetery | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of Vernon Marsh Inc | Environment | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Waukesha Public Library Inc | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Funds for Fighters Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Gateway Science Project Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Generac Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $81,596 | 2025-12 | |
| Global Climate Change Foundation | Environment | 501(c)(3) | 2010 | $1.4 million | 2024-12 | |
| Grace Evangelical | 501(c)(3) | 1966 | ||||
| Grace for the Race Ministries Inc | Religion-related | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Gracenotes Symphonic Community Orchestra Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Great Lake As Inc | Community improvement and capacity building | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Great Lakes Sport Fishermen Foundation LTD | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Greater Milwaukee Poodle Club Inc | Recreation and sports | 501(c)(7) | 2016 | $0 | $0 | 2026-01 |
| Hadfield School Pto | Education | 501(c)(3) | 1972 | $0 | $0 | 2025-07 |
| Happy Hearts Helps Corporation | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Her Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $1 | 2024-12 | |
| Heyer Elementary Pto | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Hillcrest Elementary Parent Teacher Organization Inc | Education | 501(c)(3) | 2011 | $0 | $0 | 2025-06 |
| His Final Call Ministries Inc | Religion-related | 501(c)(3) | 2026 | |||
| His Kingdom Ministries Inc | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Holly Christina Stahl Foundation Inc | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Holzinger Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $4 million | 2025-12 | |
| Hooves of My Heart Equine Rescue LTD | Animal-related | 501(c)(3) | 2022 | $249,780 | 2025-12 | |
| Horizon Church Inc | Religion-related | 501(c)(3) | 2017 | |||
| Iglesia Presbiteriana Corpus Christi | 501(c)(3) | 1974 | ||||
| Inclusive Living Possibilities Inc | Housing and shelter | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Indus Society for Human and Environmental Development Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| International Association of Lions Clubs | 501(c)(4) | 1966 | $0 | $0 | 2026-06 | |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1987 | $0 | $0 | 2023-12 | |
| International Education Services LTD | Education | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Jam for Jamaica Inc | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| James and Leigh Peterson Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $2.9 million | 2024-12 | |
| Joplin High School Class of 1991 So Cial Club Inc | Recreation and sports | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Jr Wolverines Girls Basketball Club Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Just Keep Making Inc | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Keep Swimming Foundation Inc | Human services | 501(c)(3) | 2017 | $0 | $1,891 | 2024-12 |
| Kenu Lake Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $455,783 | 2024-12 | |
| Kettle Moraine School for Arts and Performance Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $0 | $0 | 2025-09 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| LGBT Waukesha Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2026-03 |
| Lady Warriors Golf Booster Club | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Lakeland Officials Association | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Lato Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $656,105 | 2024-12 | |
| Lightroot Co | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Live Free Ministry Inc | 501(c)(3) | 2025 | ||||
| Living Word Lutheran Church | 501(c)(3) | 1966 | ||||
| Lori Jean Haker Memorial Fund LTD | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| Lucas Lutheran Chapel | 501(c)(3) | 1988 | ||||
| Maheshwara School of Yoga Inc | Education | 501(c)(3) | 2023 | $98,604 | 2025-12 | |
| Mark G Sellers Entrepreneurial Foundation Inc | Education | 501(c)(3) | 2002 | $2.1 million | 2025-12 | |
| Mary Moorehead Char Trust | 501(c)(92) | $333,225 | 2025-12 | |||
| Meier Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $5.5 million | 2025-12 | |
| Mic Memorial Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Michaels Helping Hands Foundation Inc | Public and societal benefit | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Midwest Jack Russell Terrier Club Inc | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mill Creek Academy Parent Teacher Organization Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Milwaukee Guild of the Catholic Med | 501(c)(3) | 1946 | $0 | $0 | 2025-12 | |
| Milwaukee Scottish Country Dancers Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Milwaukee Thyagaraja Aradhana | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Milwaukee Vineyard Christain Fellowship Inc | Religion-related | 501(c)(3) | 1996 | |||
| Monica McCain Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $1,074 | 2025-12 | |
| Mt Calvary Lutheran Church | 501(c)(3) | 1966 | ||||
| Muskego Rod and Gun Club Inc | Environment | 501(c)(4) | 2013 | $0 | $0 | 2023-12 |
| Muskies Inc 29 Upper Great Plains | Animal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| National Society Daughters of Colonial Wars Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $0 | $0 | 2025-02 |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1970 | $0 | $0 | 2025-12 | |
| Neurotech Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $311 | 2025-12 | |
| New Jerusalem Church of Jesus Christ Inc | Religion-related | 501(c)(3) | 2011 | |||
| Nikopol Evangelism Inc | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Oconomowoc Softball Association Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Oheneba Foundation USA Inc | International, foreign affairs and national security | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Okoa Toto Inc | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Outskirts Theatre Co | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2024-06 |
| Pearls Life House Inc | Health care | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Personal Economics Inc | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Petcoff Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $16.2 million | 2025-12 | |
| Pewaukee Fire Fighters Auxilary Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 1997 | $0 | $0 | 2025-08 |
| Pflag Waukesha | 501(c)(3) | 1994 | $0 | $0 | 2025-09 | |
| Pinoy Legacy Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Pips Rescue Wings Inc | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Play Starter Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2026-04 |
| Polish Roman Catholic Union of America | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Polish Roman Catholic Union of America | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Project Breath | Public and societal benefit | 501(c)(3) | 2026 | |||
| Prophetic Studies Institute LTD | Religion-related | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Psi Chi the International Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Pta Wisconsin Congress | 501(c)(3) | 1972 | $0 | $0 | 2025-06 | |
| Public Works Industry Improvement Program Inc | 501(c)(6) | 1967 | $0 | $234,737 | 2025-11 | |
| Raftypaa | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Ray of Hope for Ovarian Cancer Cure Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Reap Mission Inc | 501(c)(3) | 1967 | ||||
| Restauracion Hispanic Ministry United Methodist Church | 501(c)(3) | 1974 | ||||
| Rise & Respond Alliance Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | |||
| River Glen Christian Church Inc | Religion-related | 501(c)(3) | 2006 | |||
| Riverpark Community Church Inc | Religion-related | 501(c)(3) | 1999 | |||
| Rotary International | 501(c)(4) | 1966 | $0 | $0 | 2025-06 | |
| Salto Booster Club LTD | 501(c)(3) | 1981 | $0 | $0 | 2025-08 | |
| Savich House Inc | Mental health and crisis intervention | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Scholastic Fund for Students of Hispanic Descent Corp | Education | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Scottish Festivals Inc | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Set for Abbey | Diseases, disorders and medical disciplines | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| Sigma Theta Tau International Inc | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Society of Fire Protection Engineers | 501(c)(6) | 1966 | $0 | $0 | 2025-12 | |
| Society of St Vincent de Paul of Waukesha Co Our Lady of Guadalupe | 501(c)(3) | 2020 | $0 | $0 | 2024-12 | |
| Soli Deo Gloria Institute for the Arts Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Soulshare Grief Support Corporation | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| South Central HFH Chdo Partners Inc | 501(c)(3) | 2025 | ||||
| South East Wisconsin Incident Management Team Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Southeast Wisconsin Community Organizations Active in Disasters | Public safety, disaster preparedness and relief | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Southern States Womens Conference | Mental health and crisis intervention | 501(c)(3) | 2024 | |||
| Spiritual Assembly of the Bahais of Waukesha | 501(c)(3) | 1995 | ||||
| St John Neumann Congregation | 501(c)(3) | 1946 | 2012-12 | |||
| St Mary Catholic Church | 501(c)(3) | 1946 | 2013-12 | |||
| St Matthias Church Endowment Fund Inc | Religion-related | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| St Thomas More Lawyers Society of Wisconsin | 501(c)(3) | 1946 | ||||
| St William Parish | 501(c)(3) | 1946 | 2013-12 | |||
| Stampt Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2012 | $359,649 | 2025-12 | |
| Storageshopusa - Waukesha Condominium Owners Association LLC | Community improvement and capacity building | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Strong Tower Fellowship | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Supreme Temple Daughter of the Nile | Mutual and membership benefit | 501(c)(10) | 2018 | $0 | $0 | 2026-03 |
| T-Baum Foundation Inc | Health care | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Tabat Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $4.6 million | 2025-11 | |
| The Friends of Delta Rho Upsilon at Carroll University | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| The Healing Grove Foundation | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| The Robert D and Patricia E Kern Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $837 million | 2024-12 | |
| The United State Pony Clubs Inc | Recreation and sports | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tops Club Inc | Health care | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Tower Hill Neighborhood Association Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
| Toys for Joy | Human services | 501(c)(3) | 2025 | |||
| Trinity Lutheran Church | 501(c)(3) | 1966 | ||||
| Truth Bible Church of Waukesha C-O Rev Richard Tenaglia | 501(c)(3) | 1992 | ||||
| Unlock the Word Inc | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars of the United States Dept of Wisconsin | 501(c)(19) | 1973 | $0 | $0 | 2025-12 | |
| Vietnam Veterans of America Inc | 501(c)(19) | 1984 | $0 | $0 | 2026-02 | |
| Vyron Community Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $8,145 | 2024-12 | |
| W C Brinkman Memorial Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $1 million | 2025-12 | |
| WHG Cares Inc | Public and societal benefit | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| War Counsel Corp | Religion-related | 501(c)(3) | 2021 | $973 | 2024-12 | |
| Waukesha Aviation Club Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Waukesha Baptist Temple Inc | 501(c)(3) | 1974 | ||||
| Waukesha Bulldogs | Recreation and sports | 501(c)(3) | 2024 | $6,989 | 2025-12 | |
| Waukesha Choral Union | 501(c)(3) | 1980 | $0 | $0 | 2026-06 | |
| Waukesha Citizens Police Academy Association Inc | Public and societal benefit | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Waukesha City Church Inc | Religion-related | 501(c)(3) | 2024 | |||
| Waukesha County Bar Association Inc | 501(c)(6) | 1980 | $0 | $0 | 2025-06 | |
| Waukesha County Chapter-Wisconsin Right To Life Inc | Civil rights, social action and advocacy | 501(c)(4) | 2015 | $0 | $0 | 2025-12 |
| Waukesha County Estate Planning Council LTD | 501(c)(3) | 1981 | $0 | $0 | 2025-12 | |
| Waukesha County Sheriffs Citizens Academy Alumni Association | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Waukesha Creative Arts League | 501(c)(3) | 1977 | $0 | $0 | 2025-12 | |
| Waukesha Engine Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-09 |
| Waukesha Engineering Scholarship Fund Inc | 501(c)(3) | 1979 | $0 | $0 | 2026-04 | |
| Waukesha Makerspace Inc | Community improvement and capacity building | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Waukesha Preservation Alliance | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Waukesha Professional Dispatchers Association Inc | Employment | 501(c)(5) | 2008 | $0 | $0 | 2025-12 |
| Waukesha South Junior Blackshirt CH Eer Inc | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-08 |
| Waukesha South Youth Football Foundation | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Waukesha Temple Inc | Religion-related | 501(c)(3) | 2000 | |||
| Waukesha Tennis Association Inc | 501(c)(4) | 1976 | $0 | $85,706 | 2025-12 | |
| Waukesha West Athletics Capital Endowment Fund Inc | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Waukesha West Band Boosters Inc | Education | 501(c)(3) | 2026 | |||
| Waukesha West Football Club Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Waukesha Youth Softball and Athletic Corp | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-07 |
| Wauwatosa Police Foundation Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Wels Church Extension Fund Inc | 501(c)(3) | 1966 | ||||
| Wels Foundation Inc | 501(c)(3) | 1966 | 2014-12 | |||
| Wels Investment Funds Inc | 501(c)(3) | 1966 | ||||
| West Suburban Christian Academy Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| White House of Music Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Wisconsin Alliance of Leather and Kink | Civil rights, social action and advocacy | 501(c)(3) | 2026 | |||
| Wisconsin Association for Home and Community Education Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-12 | |
| Wisconsin Association of Blood Banks Inc | Health care | 501(c)(6) | 1979 | $0 | $0 | 2026-03 |
| Wisconsin Boston Terrier Rescue | Animal-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Wisconsin Conference of Young People in Alcoholics Anonymous Cor | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wisconsin Evangelical Lutheran Synod | 501(c)(3) | 1966 | 2023-06 | |||
| Wisconsin Family Based Services Association | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Wisconsin High School Esports Association | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Wisconsin Landscape Contractors Association Inc | 501(c)(6) | 1988 | $0 | $0 | 2025-12 | |
| Wisconsin Nature Action Collaborative for Children | Environment | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Wisconsin Nurses Honor Guard Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Wisconsin Organics LTD | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Wisconsin Presbytery | 501(c)(3) | 1974 | ||||
| Wisconsin Speed Skating Association Inc | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2026-08 |
| Wishing He Was Fishing Memorial Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wlca Metro Milwaukee Chapter Prof Landscape Scholarship Fund Inc | Education | 501(c)(3) | 2021 | $260,392 | 2025-12 | |
| World Impact Ministries Inc | Religion-related | 501(c)(3) | 2016 | |||
| Woyahn Tennis Complex Association Inc | Recreation and sports | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| You Are Special Inc | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Kelly Johnson Foundation | Education | 501(c)(3) | 2015 | $-2,234 | $4,822 | 2025-12 |
By cause in Waukesha, WI
- Education 50
- Philanthropy, voluntarism and grantmaking foundations 41
- Religion-related 36
- Recreation and sports 29
- Human services 26
- Youth development 23
- Arts, culture and humanities 19
- Health care 18
- Community improvement and capacity building 12
- Mental health and crisis intervention 12
- Housing and shelter 11
- Animal-related 11
- Environment 8
- Public and societal benefit 6
- International, foreign affairs and national security 5
- Diseases, disorders and medical disciplines 5
- Public safety, disaster preparedness and relief 5
- Medical research 5
- Employment 4
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.