Data / Nonprofits / Wisconsin / Middleton
Nonprofits in Middleton, WI: 250 registered with the IRS
250 nonprofits are registered with the IRS in Middleton, WI, 207 of them 501(c)(3) charities; the 112 that report revenue took in $1.76 billion. The largest by revenue: University of Wisconsin Medical Foundation Inc ($1.57 billion), Madison Surgery Center Inc ($38.6 million), Future Wisconsin Housing Fund Inc ($30.9 million). Most common causes: education (38), philanthropy, voluntarism and grantmaking foundations (22), human services (20).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| University of Wisconsin Medical Foundation Inc | Health care | 501(c)(3) | 1995 | $1.57 billion | $823.5 million | 2025-06 |
| Madison Surgery Center Inc | Health care | 501(c)(3) | 1999 | $38.6 million | $22.2 million | 2025-06 |
| Future Wisconsin Housing Fund Inc | Housing and shelter | 501(c)(3) | 2000 | $30.9 million | $130.2 million | 2025-12 |
| Attic Angel Place Inc | Human services | 501(c)(3) | 1998 | $18.5 million | $37.3 million | 2025-03 |
| Generations Fertility Care Inc | Health care | 501(c)(3) | 2012 | $10.7 million | $6.4 million | 2025-06 |
| Lucy Burns Institute Inc | Public and societal benefit | 501(c)(3) | 2008 | $8.9 million | $5.6 million | 2024-12 |
| Wayforward Resources Inc | Human services | 501(c)(3) | 1984 | $7.1 million | $5.1 million | 2025-03 |
| Metavivor Research and Support Inc | Health care | 501(c)(3) | 2009 | $5.9 million | $17.9 million | 2024-12 |
| Wisconsin Alliance for Infant Mental Health Inc | Human services | 501(c)(3) | 2010 | $4.5 million | $4.7 million | 2024-12 |
| Wisconsin Electric Cooperative Association | 501(c)(6) | 1990 | $4.5 million | $2.2 million | 2025-08 | |
| Easter Seal Society of Wisconsin Inc | Health care | 501(c)(3) | 1993 | $4.2 million | $10.1 million | 2025-08 |
| American Credit Union Mortgage Association | 501(c)(6) | 1997 | $2.9 million | $1.7 million | 2024-12 | |
| Americas Committee for Treatment & Research in Multiple Sclerosis Inc | Human services | 501(c)(3) | 2009 | $2.9 million | $9.4 million | 2025-09 |
| National Association for Pet Container Resources Inc | 501(c)(6) | 1990 | $2.8 million | $1.1 million | 2025-12 | |
| Federated Youth Foundation Inc 1810 South Park Street | Education | 501(c)(3) | 1978 | $2.4 million | $7.7 million | 2025-08 |
| Madison Community Montessori School Inc | Education | 501(c)(3) | 1984 | $2.1 million | $3.3 million | 2025-07 |
| Wisconsin Therapies Inc | Health care | 501(c)(3) | 2000 | $1.9 million | $7.8 million | 2025-06 |
| Madison Capitols Hockey Assoc LTD | 501(c)(3) | 1985 | $1.8 million | $418,786 | 2025-06 | |
| Attic Angel Association | Human services | 501(c)(3) | 1955 | $1.6 million | $17.6 million | 2025-03 |
| The American Academy of Anesthesiologists Assistants Inc | 501(c)(6) | 1986 | $1.6 million | $2.6 million | 2024-12 | |
| Middleton Glen Inc | Housing and shelter | 501(c)(3) | 1998 | $1.4 million | $12 million | 2024-11 |
| Wisconsin Humanities Council | Arts, culture and humanities | 501(c)(3) | 1976 | $1.4 million | $569,072 | 2025-10 |
| Academy of Pediatric Physical Therapy Inc | 501(c)(6) | 1982 | $1.3 million | $2.3 million | 2025-12 | |
| Senior Housing of Middleton | Human services | 501(c)(3) | 2000 | $1.2 million | $8.9 million | 2024-11 |
| Benedictine Life Foundation of Wisconsin Inc | Religion-related | 501(c)(3) | 1996 | $1.2 million | $1.3 million | 2024-12 |
| Combat Blindness International Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1986 | $1 million | $792,091 | 2025-12 |
| Gildas Club Madison Wisconsin Inc | Human services | 501(c)(3) | 2003 | $1 million | $4.2 million | 2024-12 |
| Friends of Pheasant Branch Conservancy Inc | Environment | 501(c)(3) | 1996 | $1 million | $1.6 million | 2024-12 |
| Our Lady of Hope Clinic Inc | Health care | 501(c)(3) | 2009 | $977,629 | $598,137 | 2024-12 |
| Mysc Inc | Recreation and sports | 501(c)(3) | 2006 | $923,907 | $723,039 | 2025-06 |
| Academy of Geriatric Physical Therapy Inc | Health care | 501(c)(3) | 1985 | $799,740 | $1.1 million | 2024-12 |
| National Air Filtration Assoc | 501(c)(6) | 1981 | $777,520 | $996,597 | 2024-12 | |
| Fantasy Sports & Gaming Association | Community improvement and capacity building | 501(c)(6) | 2019 | $706,125 | $461,573 | 2025-12 |
| Badgerbots Robotics Corporation | Youth development | 501(c)(3) | 2012 | $700,694 | $253,941 | 2025-08 |
| Uwmf Faculty Physicians Veba and Trust | 501(c)(9) | 1997 | $667,915 | $80,826 | 2024-12 | |
| The Memory Project Inc | 501(c)(3) | 2005 | $625,408 | $948,923 | 2025-12 | |
| Capital City Theatre | Arts, culture and humanities | 501(c)(3) | 2022 | $617,311 | $512,200 | 2024-08 |
| Wisconsin Crop Improvement Association Agronomy Building | 501(c)(5) | 1941 | $591,772 | $1.2 million | 2025-06 | |
| Blackhawk Ski Club | Recreation and sports | 501(c)(3) | 2002 | $578,754 | $728,747 | 2025-03 |
| Gios Garden Inc | Human services | 501(c)(3) | 2010 | $544,193 | $2.4 million | 2024-12 |
| Apta Academy of Leadership and Innovation Inc | 501(c)(6) | 2002 | $484,273 | $1.1 million | 2025-12 | |
| Middleton Chamber of Commerce Inc | 501(c)(6) | $457,177 | $214,253 | 2025-12 | ||
| Cardinal Boosters Inc | Education | 501(c)(3) | 2009 | $434,602 | $468,139 | 2025-06 |
| Delta Upsilon of Wisconsin Corps | 501(c)(7) | 1938 | $432,214 | $116,834 | 2025-06 | |
| Middleton-Cross Plains Area School District Foundation Inc | Education | 501(c)(3) | 2017 | $424,807 | $1.3 million | 2026-06 |
| Central Midwest Ballet Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $416,205 | $120,238 | 2025-06 |
| Jo Ellen and John McKenzie Foundation | Education | 501(c)(3) | 2025 | $394,700 | $88 | 2025-06 |
| Wisconsin Retired Educators Association Inc | 501(c)(4) | 1955 | $385,114 | $464,496 | 2025-09 | |
| Regional Division Inc | Education | 501(c)(3) | 1984 | $384,461 | $794.2 million | 2025-06 |
| American Hindu Association | Religion-related | 501(c)(3) | 2000 | $375,744 | $2.1 million | 2025-12 |
| American Filtration and Seperations Society Inc | Science and technology | 501(c)(3) | 1996 | $350,610 | $439,556 | 2025-12 |
| Metropolitan Refuse District Inc | 501(c)(4) | 1964 | $316,046 | $704,280 | 2025-12 | |
| Middleton Youth Hockey Inc | Youth development | 501(c)(3) | 2002 | $297,506 | $247,411 | 2025-05 |
| Conquering Congenital Heart Disease | Medical research | 501(c)(3) | 2014 | $291,957 | $21,394 | 2023-12 |
| Inspiring Hope Ministries Inc | Religion-related | 501(c)(3) | 2015 | $261,147 | $302,388 | 2024-12 |
| Beta Gamma Housing Corporation | 501(c)(2) | 1979 | $256,966 | $529,354 | 2025-06 | |
| Fond Blanc Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $255,880 | $477,747 | 2025-12 |
| Restoring Hope Transplant House Inc | Health care | 501(c)(3) | 2006 | $254,761 | $2.2 million | 2024-12 |
| Middleton Area Development Corporation | 501(c)(4) | 1978 | $253,528 | $5.1 million | 2025-12 | |
| Janes Journey Home for Dogs Inc | Animal-related | 501(c)(3) | 2022 | $250,897 | $84,673 | 2025-12 |
| Middleton United Soccer Club | Recreation and sports | 501(c)(3) | 2010 | $237,893 | $190,596 | 2025-03 |
| Sikh Society of Wisconsin-Madison LTD | Religion-related | 501(c)(3) | 1999 | $236,503 | $2 million | 2024-12 |
| Women in Trucking Association Foundation | Education | 501(c)(3) | 2011 | $230,114 | $554,716 | 2024-12 |
| Ingold Family Foundation Inc | Education | 501(c)(3) | 2022 | $228,338 | $169,185 | 2024-12 |
| Middleton Basketball Club Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $195,560 | $256,671 | 2025-07 |
| Middleton Baseball Softball Commission | Recreation and sports | 501(c)(3) | 2006 | $178,012 | $461,882 | 2025-12 |
| Middleton Band Boosters | Arts, culture and humanities | 501(c)(3) | 2024 | $132,712 | $105,503 | 2025-12 |
| Friends of the Performing Arts Center Inc | Arts, culture and humanities | 501(c)(3) | 2005 | $119,598 | $136,231 | 2025-12 |
| Uw Health Aco Inc | Health care | 501(c)(3) | 2014 | $115,260 | $346,381 | 2025-06 |
| Middleton Law Enforcement Foundation Inc | Crime and legal-related | 501(c)(3) | 2024 | $113,895 | $85,145 | 2025-12 |
| Middleton Fire Dept-1 | 501(c)(4) | 1949 | $106,709 | $287,244 | 2025-10 | |
| Red Line Club Inc | 501(c)(3) | 1983 | $101,182 | $69,138 | 2025-04 | |
| Middleton Good Neighbor Festival Inc | 501(c)(4) | 1974 | $91,920 | $67,118 | 2025-12 | |
| Middleton Area Historical Society Inc | 501(c)(3) | 1973 | $87,941 | $880,749 | 2025-12 | |
| Veterans of Foreign Wars of the United States Dept of Wisconsin | 501(c)(19) | 1973 | $84,103 | $970,666 | 2025-06 | |
| National Mustard Museum Inc | 501(c)(3) | 2011 | $83,184 | $192,977 | 2024-12 | |
| Classmates Literacy Foundation Inc | Education | 501(c)(3) | 2023 | $82,168 | $26,479 | 2025-12 |
| National Air Filtration Association Foundation | Human services | 501(c)(3) | 2009 | $80,033 | $166,898 | 2025-12 |
| Semper Fidelis of Madison Inc | Human services | 501(c)(3) | 2007 | $78,506 | $19,560 | 2025-12 |
| Rebel Golf Outing | Education | 501(c)(3) | 2009 | $77,437 | $151,706 | 2024-12 |
| Madison West Towne-Middleton Rotary Foundation Inc | 501(c)(3) | 1977 | $74,724 | $431,729 | 2025-06 | |
| Friends of Cars Curing Kids Inc | 501(c)(3) | 2019 | $72,992 | $48,694 | 2025-12 | |
| Middleton Gators Swim and Dive | Recreation and sports | 501(c)(3) | 2015 | $72,743 | $89,323 | 2024-12 |
| Foremost Farms USA Charitable Foundation Inc | Education | 501(c)(3) | 1999 | $68,356 | $279,182 | 2025-12 |
| Rylans Hope Foundation Inc | Health care | 501(c)(3) | 2017 | $67,751 | $107,417 | 2025-12 |
| 9 Lives Rescue | Animal-related | 501(c)(3) | 2020 | $65,306 | $29,145 | 2025-12 |
| Wisconsin Fbla-Pbl Foundation Inc | Education | 501(c)(3) | 1999 | $62,860 | $728,435 | 2025-12 |
| Financial Executives International | 501(c)(6) | 1948 | $61,649 | $143,292 | 2025-06 | |
| Walnut Grove Homes Association Inc | 501(c)(4) | 2020 | $56,947 | $99,205 | 2025-12 | |
| Middleton Players Theater Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $56,458 | $8,696 | 2025-12 |
| Airedale Terrier Club of America Inc | Animal-related | 501(c)(4) | 2007 | $54,993 | $113,719 | 2026-06 |
| Northlake Neighborhood Association | Housing and shelter | 501(c)(4) | 2012 | $54,975 | $92,050 | 2025-12 |
| Future Problem Solving Program International Inc | Education | 501(c)(3) | 1993 | $54,485 | $19,213 | 2025-06 |
| Pta Wisconsin Congress | 501(c)(3) | 1972 | $49,780 | $29,887 | 2025-06 | |
| Middleton High School Band Parents Association | 501(c)(3) | 1988 | $45,246 | $44,198 | 2025-06 | |
| The Friends of the Middleton Public Library | 501(c)(3) | 1984 | $39,640 | $94,566 | 2025-12 | |
| Restoring Roots Inc | Human services | 501(c)(3) | 2018 | $36,933 | $38,754 | 2025-06 |
| Elm Lawn Parent Teacher Organization Inc | Education | 501(c)(3) | 2004 | $36,881 | $65,361 | 2025-06 |
| Wisconsin Retired Educators Association Wrea Foundation Inc | Community improvement and capacity building | 501(c)(3) | 1997 | $36,298 | $534,228 | 2025-09 |
| University Health Care Inc | Medical research | 501(c)(3) | 2016 | $33,940 | $134.1 million | 2024-12 |
| Middleton Cemetery Association | 501(c)(13) | 1943 | $27,617 | $238,101 | 2025-04 | |
| Society of Environmental Insurance Professionals | Community improvement and capacity building | 501(c)(6) | 2001 | $24,013 | $23,429 | 2024-12 |
| Middleton Cemetery Association Trust | 501(c)(13) | 1984 | $20,632 | $417,513 | 2025-04 | |
| Alex Hauntys Theater and Arts Fund Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $20,442 | $7,967 | 2025-06 |
| Fix the System - Wisconsin Action Inc | Mutual and membership benefit | 501(c)(4) | 2019 | $18,021 | $98,780 | 2025-12 |
| Cardinal Youth Football | Recreation and sports | 501(c)(3) | 2007 | $17,760 | $29,148 | 2025-12 |
| Northside Parent Teacher Organization | Education | 501(c)(3) | 2014 | $17,542 | $9,256 | 2025-07 |
| Kiwanis Club of Middleton | Human services | 501(c)(4) | 2026 | $14,939 | $26,199 | 2024-09 |
| Fix the System - Wisconsin Inc | Civil rights, social action and advocacy | 501(c)(3) | 2019 | $12,263 | $242,455 | 2025-12 |
| Middleton Community Police Partnership Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $9,579 | $13,170 | 2022-12 |
| Coach Sauer Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $9,098 | $95,719 | 2024-12 |
| Madison-Tepatitlan Sister Cities | Education | 501(c)(3) | 2024 | $2,727 | $4,569 | 2025-12 |
| 8 Mile for Water Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Aloysius Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $2.6 million | 2025-12 | |
| American College of Surgeons San Diego Chapter | 501(c)(6) | 1973 | $0 | $0 | 2025-12 | |
| American Federation of Teachers | 501(c)(5) | 1970 | $0 | $0 | 2025-12 | |
| American Society of Heating Refrigeration & A-C Engineers | 501(c)(3) | 1973 | $0 | $0 | 2024-06 | |
| American Volkssport Association Inc | 501(c)(3) | 1987 | $0 | $0 | 2026-06 | |
| Ashers Gift Box Inc | Public and societal benefit | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Auto Accident Support Network Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2023-11 |
| Beat the Blues Cruise | Education | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Benedictine Women of Madison Inc | Religion-related | 501(c)(3) | 1999 | 2024-12 | ||
| Blackhawk Evangelical Free Church Inc | 501(c)(3) | 1965 | 2019-06 | |||
| Block 100 Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $16.6 million | 2025-12 | |
| Burrow Collective Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Call To Action-Madison Area Inc | Religion-related | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Capital Bike Club Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Catherine Zdeblick Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2005 | $569,951 | 2025-12 | |
| Central Wisconsin 3dsports Ministry LTD | Recreation and sports | 501(c)(3) | 2023 | $17,828 | 2025-06 | |
| Champbuilder Amateur Wrestling Inc | Recreation and sports | 501(c)(3) | 1998 | |||
| Christian Community Action Coalition | Religion-related | 501(c)(3) | 2016 | |||
| Civil War Museum of Delafield | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Clark Street Community School | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Connection Through Compassion Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Creating A Peaceful World Inc | Human services | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Dairyland Driving Club Inc | 501(c)(7) | 1998 | $0 | $0 | 2025-12 | |
| Dane County Veterinary Medical Association | Community improvement and capacity building | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Daughters of the Nile | 501(c)(8) | 1942 | $0 | $0 | 2026-04 | |
| Deaconess School of Nursing Alumnae Association Inc | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Dietrich Schaaf Conservation Fund Inc | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Emnde Foundation | Human services | 501(c)(3) | 2026 | $577,556 | 2025-12 | |
| Fdace LTD | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Firework Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Four Missions Inc | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Fox Run Environmental Education Center Inc | Food, agriculture and nutrition | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Friends of Pope Farm Conservancy Inc | Recreation and sports | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Friends of the Kettle Ponds | Environment | 501(c)(3) | 2002 | $0 | $0 | 2024-12 |
| Friends of the Middleton Dog Parks | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Frostwood Farm Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $771,968 | 2025-12 | |
| Fundacion Jireh Inc | Human services | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Future Makers Inc | Education | 501(c)(3) | 2026 | |||
| Galactosemia Gleam Fund LTD | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | |||
| Gateway Community Church | Religion-related | 501(c)(3) | 1995 | |||
| George Colletti Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $418,100 | 2025-06 | |
| Global Talent Foundation Inc | Crime and legal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Globe Smart Kids Inc | Youth development | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Hands of Time Scholars Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Harambee Doula Agency & Holistic Services Inc | Health care | 501(c)(3) | 2025 | |||
| I Am Cons | Community improvement and capacity building | 501(c)(3) | 2024 | |||
| Illuman | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Immanuel Korean School | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| International Bible Ministries Inc | Religion-related | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Isthmus Arts and Culture Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Jacobson & Schmitt Advisors Impact Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $91,675 | 2025-12 | |
| Jason L and Ana C Stephens Family Foundation | Education | 501(c)(3) | 2018 | $179,265 | 2025-12 | |
| Jcrew Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jesus Lunch Inc | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Jim and Vicki Struve Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $97,233 | 2025-12 | |
| Kalam Tamil Center Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-08 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-06 | |
| Kromrey Middle School Parent Teacher Organization | Education | 501(c)(3) | 2013 | $0 | $0 | 2026-06 |
| Krupp-Grove Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $553,135 | 2025-12 | |
| Lake Effect Technology Laboratory | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-09 |
| Lazarz Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $1.3 million | 2025-12 | |
| League of Chinese American Voters Inc | Civil rights, social action and advocacy | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Leitzell Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $37,612 | 2025-12 | |
| Lighthouse Foundation International | Civil rights, social action and advocacy | 501(c)(3) | 2023 | $1 | 2025-12 | |
| Linda J and Michael D Hershberger Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $622,441 | 2024-12 | |
| Lloyd A Schneider-Daphne H Schneider Mounds and Habitat | Environment | 501(c)(3) | 2000 | $1.4 million | 2024-12 | |
| Locke Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $703,768 | 2025-12 | |
| MHS Theatre Boosters Inc | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Mad Alpine Ski Club Inc | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Madison Chinese School | 501(c)(3) | 1976 | $0 | $0 | 2026-08 | |
| Madison Kannada Koota Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Madison West Coast Swing Club Inc | Recreation and sports | 501(c)(7) | 2002 | $0 | $0 | 2025-12 |
| Melharmony Foundation | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Men for Equality Inc | Civil rights, social action and advocacy | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Mercy Dental Missions Inc | Health care | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Middleton Chamber of Commerce Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Middleton Ems Inc | Health care | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Middleton High School Choral Boosters Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Middleton Youth Lacrosse Club Inc | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Midwest Wilderness First Aid Training Services Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Modern Quilt Guild Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Moxie Hoops | Environment | 501(c)(3) | 2024 | $0 | $0 | 2026-02 |
| National Charity League Inc Madison Area Chapter | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $0 | $0 | 2026-05 |
| National Rural Letter Carriers Association | 501(c)(5) | 1972 | $0 | $0 | 2025-06 | |
| Nebraska Chapter of the American College of Surgeons | Community improvement and capacity building | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| Oliveros Scholarship Fund | Education | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| One Community Initiative Inc | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| Orbits Worldwide Inc | Health care | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Orchard Innovation Network | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| Otto and Carol Gebhardt Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $815,243 | 2025-12 | |
| Pathways Career and College Academy Inc | Education | 501(c)(3) | 2025 | |||
| Pope Farm Elementary School Pto | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Rabbis Inc | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Randy and Nancy Trachte Family Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $1.6 million | 2025-12 | |
| Raymond Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $1.9 million | 2025-12 | |
| Reimagining Foundation Inc | Civil rights, social action and advocacy | 501(c)(3) | 2024 | |||
| Right Step Israel Inc | Education | 501(c)(3) | 2024 | |||
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2025-06 | |
| Rowland Reading Foundation Inc | Education | 501(c)(3) | 2006 | $3.4 million | 2025-09 | |
| Safe Roads To Health | Public safety, disaster preparedness and relief | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Sandy Oaks Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $3.4 million | 2024-12 | |
| Sauk Trail Elementary School Parent Teacher Organization | Education | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Sciart Services | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Sierra Leone Research and Development Institute Inc | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sons of Union Veterans of the Civil War | 501(c)(4) | 1941 | $0 | $0 | 2025-12 | |
| Sons of Union Veterans of the Civil War | 501(c)(4) | 1941 | $0 | $0 | 2025-12 | |
| Southern Conference Whsara Inc | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Spedidit Enterprise Incorporated | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Spiritual Assembly of the Bahais of Middleton | 501(c)(3) | 1965 | ||||
| St Andrew Lutheran Church | 501(c)(3) | 1966 | ||||
| St Bernards Congregation | 501(c)(3) | 1946 | 2013-12 | |||
| St Luke Lutheran Church | 501(c)(3) | 1988 | 2013-12 | |||
| Supporting Safe Birth Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Suzuki Association of Wisconsin Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $0 | $0 | 2025-08 |
| T Wall Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $321 | 2025-12 | |
| The Yada Project Incorporated | Human services | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Trumpetblast Ministries Inc | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| University of Wisconsin Hospitals and Clinics Authority | Health care | 501(c)(3) | 1996 | 2025-06 | ||
| Urban Art Bloom Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Veterans Refuge Inc | Housing and shelter | 501(c)(3) | 2026 | |||
| Veterans of Foreign Wars of the United States Dept of Wisconsin | 501(c)(19) | 1973 | $0 | $0 | 2025-06 | |
| W Jerome Frautschi Foundation Inc | Education | 501(c)(3) | 1997 | $1.2 million | 2025-12 | |
| WRC Navhda Wisconsin River Chapter No American Versatile Hunting Dog | Animal-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Wi Tamil Sangam Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Willa Brown Aviation Academy Inc | Youth development | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Wisconsin District of the Wesleyan Church | 501(c)(3) | 1970 | ||||
| Wisconsin Ecolatinos Inc | Education | 501(c)(3) | 2025 | |||
| Wisconsin Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $3.6 million | 2024-12 | |
| Wisconsin Institute for International Legal Programs | Crime and legal-related | 501(c)(3) | 1983 | $0 | $0 | 2024-12 |
| Wisconsin Korean Education Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Wisconsin Mid-State Two-Cylinder Club Inc | 501(c)(4) | 1994 | $0 | $0 | 2026-02 | |
| Wisconsin Motor Carriers Association Foundation Inc | Human services | 501(c)(3) | 2002 | $87,763 | 2025-06 | |
| Wisconsin Society of Parenteral and Enteral Nutrition Wispen | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Wisconsin Womens Transportation Seminar Inc | Community improvement and capacity building | 501(c)(6) | 2019 | $0 | $0 | 2024-12 |
| Workplace Chaplaincy Foundation Inc | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Xcel Sports Training Foundation Inc | Recreation and sports | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Yugoslav Academy of Management Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
By cause in Middleton, WI
- Education 38
- Philanthropy, voluntarism and grantmaking foundations 22
- Human services 20
- Arts, culture and humanities 20
- Health care 16
- Recreation and sports 14
- Religion-related 14
- Community improvement and capacity building 10
- Animal-related 6
- Civil rights, social action and advocacy 5
- Housing and shelter 4
- Environment 4
- Youth development 4
- Public safety, disaster preparedness and relief 4
- Crime and legal-related 3
- Diseases, disorders and medical disciplines 3
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.