Nonprofits in Madison, Wisconsin

Nonprofits in Madison, Wisconsin. Browse 4,170 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Healthy Minds Innovations Inc

    EIN 471196006 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Heartland Christian Advisors Inc

    EIN 320058180 · Headquarters: MADISON, WI, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  3. Heartland Credit Union

    EIN 390716655 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Heartland Housing Inc

    EIN 363642952 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Heartland Threads Inc

    EIN 844930852 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Heating Piping Cooling Council

    EIN 396080820 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Help Us Stop Homelessness in America Inc

    EIN 862737865 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Henderson Elementary School Plt Inc

    EIN 844300712 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Henry J Predolin Foundation Inc

    EIN 391931309 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Henry Vilas Zoo Foundation Inc

    EIN 332472846 · Headquarters: Madison, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Herbert V Prochnow Educational Foundation Inc

    EIN 391466758 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Hereditary Colon Cancer Association

    EIN 460454376 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Herman and Gwen Shapiro Foundation

    EIN 391841051 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Hero Centers of Wisconsin Inc

    EIN 880918401 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Hhi Inc

    EIN 363343813 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  16. Hhu Xtra Care Inc

    EIN 391705111 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Hickory Hill Academy

    EIN 871066275 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Hiestand Park Neighborhood Association

    EIN 994454740 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Higher Education Video Game Alliance

    EIN 475563763 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Highland Education Association

    EIN 262708810 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Highlands Foundation Inc

    EIN 203941123 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Hilbert Education Association

    EIN 237105939 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Hill Family of Madison Wisconsin Properties Non-profit Co

    EIN 813200701 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Hill Farm Swim Club Inc

    EIN 390972429 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Hillsboro Education Association

    EIN 237088286 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Hipaa Collaborative of Wisconsin Inc

    EIN 731633271 · Headquarters: Madison, WI, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  27. Hirschhorn Foundation Inc J Hirschhorn Esq

    EIN 592159670 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Historic Madison Inc

    EIN 237294632 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Hmong Institute Incorporated

    EIN 824232925 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Hofgesang Foundation Inc

    EIN 237206680 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Hogs for Heroes Inc

    EIN 472613908 · Headquarters: Madison, WI, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Holman Area Food Service Employee Association

    EIN 391973992 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Holmen Education Association

    EIN 391975657 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Holmen Education Support Personnel

    EIN 383793589 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Holmen Office Professionals for Education

    EIN 800246096 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  36. Holmen School District Drivers Association

    EIN 391917475 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Holy League Inc

    EIN 473378962 · Headquarters: Madison, WI, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Home Buyers Round Table of Dane County Inc

    EIN 392038173 · Headquarters: Madison, WI, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Home Care United Inc

    EIN 391776340 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Home Health United Inc

    EIN 391539827 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Homeless Veterans Foundation Inc

    EIN 271461381 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Hometown Education Foundation Inc

    EIN 571199131 · Headquarters: Madison, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Honor Society of Phi Kappa Phi

    EIN 391712523 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Hoof & Mouth Corp Inc

    EIN 391781261 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Hooper Corp Foundation

    EIN 396070368 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  46. Hope & a Future Iii Inc

    EIN 271019237 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Hope Haven-rebos United Inc

    EIN 391178878 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990

  48. Hope House Building Corporation

    EIN 721574555 · Headquarters: Madison, WI, USA · Housing & Shelter · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  49. Hopes

    EIN 391954585 · Headquarters: Madison, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Horicon Education Association

    EIN 237078924 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Horicon Educational Support Personnel Association

    EIN 391873875 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Horizon High School of Madison Inc

    EIN 201240272 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Horticultural Inspection Society

    EIN 310936261 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Housing Initiatives Inc

    EIN 391781842 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Housing Partnership Corporation

    EIN 391600516 · Headquarters: Madison, WI, US · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  56. Howard Suamico Office Support and Aide Association

    EIN 391595583 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Howards Grove Education Association

    EIN 237079139 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Huddle Up for Youth Initiative Inc

    EIN 993011104 · Headquarters: Madison, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Huegel Elementary Pto Inc

    EIN 474687362 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Human Computer Interaction Consortium

    EIN 833313904 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Humorology Inc

    EIN 391755529 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. Hundred Man Holding Corp

    EIN 260601015 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. Hunger Prevention Council of Dane County Inc

    EIN 391960867 · Headquarters: Madison, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  64. Hurley Education Association

    EIN 262691191 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Hurling Club of Madison Incorporated

    EIN 811503996 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Hustisford Teachers Association

    EIN 237082256 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Iatse Local No 6 Health and Welfare Fund

    EIN 430791005 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Ib Ma Mid Atlantic Assoc of Ib World Schools

    EIN 383736177 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Ice Boat Foundation Incorporated

    EIN 811135187 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Idea 2000 Inc

    EIN 391962726 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. Idun Corporation

    EIN 237525797 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Idun Lodge - Sons of Norway

    EIN 473980052 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Ignite Women of the Madison Fire Department

    EIN 831785275 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Ili Senior Housing-segoe Road Inc

    EIN 391982691 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990

  75. Illinois Collectors Association Inc

    EIN 370897674 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  76. Illinois Natural Medicine Alliance

    EIN 263837318 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  77. Immanuel Lutheran Church Endowment Foundation Inc

    EIN 237016862 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. In the Memory of Sister Rose Thering Foundation Inc

    EIN 208080440 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. Incontrol Wisconsin Inc

    EIN 270803730 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Independence Education Association

    EIN 237081124 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Independent Health Care Inc

    EIN 391792203 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990

  82. Independent Insurance Agents of Wisconsin Inc

    EIN 390711474 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Independent Living Council of Wisconsin Inc

    EIN 061744628 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Independent Living Inc

    EIN 391186642 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  85. Independent String Teachers of Madison Inc

    EIN 202650209 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Indian Motorcycle Riders Group - Madison Wisconsin Inc

    EIN 843255773 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Indian Music Circle of Wisconsin

    EIN 261458515 · Headquarters: madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. Indigo Wings Incorporated

    EIN 473626936 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. Indimark

    EIN 824505757 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Indore Youth Education Inc

    EIN 870959972 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Industrial Workers of the World

    EIN 352401783 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  92. Inequity Agents of Change Inc

    EIN 863077463 · Headquarters: Madison, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Inframatter Research Center Corp

    EIN 800925119 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  94. Inkslingers

    EIN 550861504 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  95. Institute for Journalism & Natural Resources

    EIN 522073018 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Institute for Urban Land Economics Research Incorporated

    EIN 391700439 · Headquarters: Madison, WI, US · Social Science · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. Institute for Zen Leadership Inc

    EIN 454956464 · Headquarters: Madison, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Institute of Internal Auditors

    EIN 391474522 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. Institute of Management Accountants Inc

    EIN 237353632 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Insurance Security Fund

    EIN 237365644 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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