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. Alpha Chi Omega Kappa Building Asso

    EIN 396054909 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990

  2. Alpha Chi Sigma Fraterntiy Collegiate Chapter

    EIN 471834280 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Alpha Epsilon Delta

    EIN 391975301 · Headquarters: Madison, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. Alpha Gamma Rho Education Foundatio

    EIN 237013492 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Alpha Gamma Rho Fraternity Iota Ch

    EIN 390818604 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Alpha Kappa Chapter of Zeta Beta Tau Fraternity Inc

    EIN 391994749 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Alpha of Wisconsin of Sigma Phi

    EIN 396107913 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Alpha Omega Alpha Honor Medical Society

    EIN 396077928 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  9. Alpha Omega Epsilon

    EIN 331078094 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Alpha Phi Omega

    EIN 364539707 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Alpha Pi Mu Association

    EIN 521317256 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Alpha Sigma Phi Fraternity at University of Wisconsin-Madison

    EIN 461455834 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Alpha Sigma Phi Fraternity Inc

    EIN 474086325 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Altoona Education Associaion

    EIN 262727447 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Altrusa International Inc

    EIN 396062220 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Altrusa International Inc

    EIN 810765910 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Alvarado Family Foundation Inc

    EIN 753130295 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Alzheimer's & Dementia Alliance of Wi Inc

    EIN 391679333 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  19. Amateur Athletic Union of the United States

    EIN 454574074 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  20. Amateur Athletic Union of the United States Inc

    EIN 822813886 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Amateur Athletic Union of the United States Inc

    EIN 831852015 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Amateur Golf Association Madison Wisconsin Chapter Inc

    EIN 391921901 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. American Academy of Matrimonial Lawyers

    EIN 391382297 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Association of University Women

    EIN 396077830 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Association of Zoo Keepers

    EIN 841848410 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Board of Cosmetic & Esthetic Dentistry

    EIN 823200146 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. American Brittany Club Inc

    EIN 396078182 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. American Brittany Foundation

    EIN 465002229 · Headquarters: Madison, WI, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. American Chemical Society

    EIN 396078144 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American College of Veterinary Pathologist Society for Toxicologi

    EIN 412183329 · Headquarters: Madison, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. American Family Insurance Dreams Foundation Inc

    EIN 474493142 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. American Federation of Government Employees

    EIN 237241778 · Headquarters: MADISON, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Federation of Government Employees Local 1732

    EIN 396075951 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. American Federation of State County & Municipal Employe

    EIN 472618593 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. American Federation of State County & Municipal Employees

    EIN 010889477 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Federation of State County & Municipal Employees

    EIN 010915721 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Federation of State County & Municipal Employees

    EIN 050091381 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Federation of State County & Municipal Employees

    EIN 203235112 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. American Federation of State County & Municipal Employees

    EIN 237059114 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Federation of State County & Municipal Employees

    EIN 237076373 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. American Federation of State County & Municipal Employees

    EIN 237078200 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Federation of State County & Municipal Employees

    EIN 237102223 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Federation of State County & Municipal Employees

    EIN 237118449 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Federation of State County & Municipal Employees

    EIN 237178871 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Federation of State County & Municipal Employees

    EIN 237197785 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Federation of State County & Municipal Employees

    EIN 237209374 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Federation of State County & Municipal Employees

    EIN 237209375 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Federation of State County & Municipal Employees

    EIN 237269651 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Federation of State County & Municipal Employees

    EIN 237288108 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. American Federation of State County & Municipal Employees

    EIN 237297719 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. American Federation of State County & Municipal Employees

    EIN 237366262 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. American Federation of State County & Municipal Employees

    EIN 237384033 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. American Federation of State County & Municipal Employees

    EIN 237396972 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. American Federation of State County & Municipal Employees

    EIN 237399434 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Federation of State County & Municipal Employees

    EIN 262343931 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Federation of State County & Municipal Employees

    EIN 262428369 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. American Federation of State County & Municipal Employees

    EIN 264476312 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Federation of State County & Municipal Employees

    EIN 320271373 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Federation of State County & Municipal Employees

    EIN 320293473 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Federation of State County & Municipal Employees

    EIN 352351218 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Federation of State County & Municipal Employees

    EIN 371565455 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. American Federation of State County & Municipal Employees

    EIN 383779208 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. American Federation of State County & Municipal Employees

    EIN 390691275 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Federation of State County & Municipal Employees

    EIN 390716135 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. American Federation of State County & Municipal Employees

    EIN 390867563 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. American Federation of State County & Municipal Employees

    EIN 391166759 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. American Federation of State County & Municipal Employees

    EIN 391172660 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Federation of State County & Municipal Employees

    EIN 391223325 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. American Federation of State County & Municipal Employees

    EIN 391245781 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. American Federation of State County & Municipal Employees

    EIN 391256503 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Federation of State County & Municipal Employees

    EIN 391261751 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Federation of State County & Municipal Employees

    EIN 391288434 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. American Federation of State County & Municipal Employees

    EIN 391304698 · Headquarters: MADISON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. American Federation of State County & Municipal Employees

    EIN 391322947 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  75. American Federation of State County & Municipal Employees

    EIN 391325478 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Federation of State County & Municipal Employees

    EIN 391327210 · Headquarters: Madison, WI, US · Crime & Legal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. American Federation of State County & Municipal Employees

    EIN 391327751 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Federation of State County & Municipal Employees

    EIN 391328538 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. American Federation of State County & Municipal Employees

    EIN 391354915 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Federation of State County & Municipal Employees

    EIN 391374651 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. American Federation of State County & Municipal Employees

    EIN 391374654 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. American Federation of State County & Municipal Employees

    EIN 391397821 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  83. American Federation of State County & Municipal Employees

    EIN 391417975 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. American Federation of State County & Municipal Employees

    EIN 391421861 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. American Federation of State County & Municipal Employees

    EIN 391426076 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Federation of State County & Municipal Employees

    EIN 391434760 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. American Federation of State County & Municipal Employees

    EIN 391440019 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  88. American Federation of State County & Municipal Employees

    EIN 391440473 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Federation of State County & Municipal Employees

    EIN 391451329 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. American Federation of State County & Municipal Employees

    EIN 391487372 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. American Federation of State County & Municipal Employees

    EIN 391544703 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Federation of State County & Municipal Employees

    EIN 391562504 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. American Federation of State County & Municipal Employees

    EIN 391581724 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. American Federation of State County & Municipal Employees

    EIN 391590664 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Federation of State County & Municipal Employees

    EIN 391635411 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Federation of State County & Municipal Employees

    EIN 391685237 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. American Federation of State County & Municipal Employees

    EIN 391707862 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. American Federation of State County & Municipal Employees

    EIN 391768373 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Federation of State County & Municipal Employees

    EIN 391817284 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Federation of State County & Municipal Employees

    EIN 391818862 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

First page and all pages