Nonprofits in Wisconsin

Nonprofits in Wisconsin. Browse 46,682 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. American Pharmacists Association Academy of Student Pharmacists

    EIN 391968104 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Physical Therapy Association Wisconsin Chapter

    EIN 396062299 · Headquarters: MCFARLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. American Planning Association-Wisconsin

    EIN 510150304 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. American Players Theatre Endowment Trust

    EIN 396409685 · Headquarters: Spring Green, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. American Players Theatre Foundation Inc

    EIN 462643306 · Headquarters: Spring Green, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. American Players Theatre of Wisconsin Inc

    EIN 391583361 · Headquarters: Spring Green, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American Postal Workers Accident Benefit Association

    EIN 396061497 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Postal Workers Accident Benefit Association

    EIN 396089445 · Headquarters: GREEN BAY, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  9. American Postal Workers Union

    EIN 237001305 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Postal Workers Union

    EIN 237019097 · Headquarters: Watertown, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. American Postal Workers Union

    EIN 237338936 · Headquarters: Ashland, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. American Postal Workers Union

    EIN 237339904 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Postal Workers Union

    EIN 237340361 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Postal Workers Union

    EIN 237340666 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. American Postal Workers Union

    EIN 391223217 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. American Postal Workers Union

    EIN 391273586 · Headquarters: Portage, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  17. American Postal Workers Union

    EIN 391568112 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Postal Workers Union

    EIN 391720694 · Headquarters: appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Postal Workers Union

    EIN 396070011 · Headquarters: Fall Creek, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. American Postal Workers Union

    EIN 396077503 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Postal Workers Union

    EIN 510228343 · Headquarters: Wausau, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. American Postal Workers Union 0241 Madison Wi Area Local

    EIN 237339903 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Postal Workers Union 1037

    EIN 237340668 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Postal Workers Union 2247 Ne Wisconsin

    EIN 237340683 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. American Postal Workers Union 2496

    EIN 237340382 · Headquarters: West Bend, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. American Postal Workers Union 4763

    EIN 237340396 · Headquarters: SPOONER, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Postal Workers Union Afl-cio

    EIN 391171962 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. American Postal Workers Union Auxiliary

    EIN 352355102 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  29. American Postal Workers Union Auxiliary

    EIN 391556450 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Postal Workers Union Auxiliary

    EIN 396078690 · Headquarters: West Bend, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. American Postal Workers Union Auxiliary

    EIN 825348514 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Poultry Historical Society

    EIN 366127520 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. American Production & Inventory Control Indianhead Chapter No 281

    EIN 391506142 · Headquarters: Eau Claire, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. American Production & Inventory Control Society

    EIN 521849878 · Headquarters: Sheboygan WI, WI, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. American Production & Inventory Control Society Inc

    EIN 391390531 · Headquarters: Stoughton, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  36. American Production & Inventory Control Society Racine Kenosha Cha

    EIN 391575112 · Headquarters: Kenosha, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  37. American Production and Inventory Control Society Central Wisconsin

    EIN 391313745 · Headquarters: La Crosse, WI, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. American Production and Inventory Control Society Fox Valley Chapter

    EIN 391307690 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. American Production and Inventory Control Society Inc

    EIN 391591130 · Headquarters: Green Bay, WI, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. American Professional Wound Care Association

    EIN 233078561 · Headquarters: MILWAUKEE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. American Property Owners Network Inc

    EIN 851395071 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Relaxation Counseling Serv

    EIN 922241714 · Headquarters: BROWN DEER, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. American Rental Assoc Wis Inc

    EIN 391764632 · Headquarters: Monroe, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Revolutions Riding Club

    EIN 383794195 · Headquarters: Pleasant Prairie, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. American Rhododendron Midwest Chapter

    EIN 930863111 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. American Rose Society

    EIN 391469156 · Headquarters: Verona, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  47. American Rose Society

    EIN 391866747 · Headquarters: NEW LONDON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. American Saddle Horse Breeders Futurity of Wisconsin Inc

    EIN 391248876 · Headquarters: Mequon, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. American Saddlebred Association of Wisconsin Asaw Scholarship Fund

    EIN 391856599 · Headquarters: Franklin, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. American Saddlebred Association of Wisconsin Inc

    EIN 391350310 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. American School Health Association

    EIN 340840812 · Headquarters: Brookfield, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  52. American Sewing Guild Inc

    EIN 010667644 · Headquarters: RIDGELAND, WI, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  53. American Slovenian Catholic Union

    EIN 237530676 · Headquarters: Greenfield, WI, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. American Society for Clinical Laboratory Science

    EIN 396074990 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. American Society for Cybernetics

    EIN 237000738 · Headquarters: Waterloo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Society for Laser Medicine and Surgery Inc

    EIN 391397899 · Headquarters: WAUSAU, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. American Society for Mohs Histotechnology

    EIN 363969842 · Headquarters: MILWAUKEE, WI, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. American Society for Pain Management Nursing

    EIN 611409307 · Headquarters: loyal, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. American Society for Quality Inc

    EIN 390912502 · Headquarters: MILWAUKEE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. American Society for Training & Development

    EIN 237457118 · Headquarters: MONONA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Society for Training and Development

    EIN 262915461 · Headquarters: Eau Claire, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. American Society for Veterinary Clinical Pathology

    EIN 237049776 · Headquarters: WINDSOR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. American Society of Agricultural Engineers

    EIN 391459467 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Society of Agronomy

    EIN 390808552 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. American Society of Anesthesia Technologists and Technicians

    EIN 943016630 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Society of Appraisers

    EIN 521344608 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Society of Golf Course Architects

    EIN 366141600 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. American Society of Golf Course Architects Foundation

    EIN 237385866 · Headquarters: BROOKFIELD, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. American Society of Heating Refrigerating & A-c Engineers

    EIN 237128910 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Society of Heating Refrigerating & A-c Engineers

    EIN 237134568 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Society of Heating Refrigeration & A-c Engineers

    EIN 237152944 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. American Society of Heating Refrigeration & A-c Engineers

    EIN 237429019 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. American Society of Interior Designers Wisconsin Chapter

    EIN 237417507 · Headquarters: Hubertus, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  74. American Society of Plumbing Engineers

    EIN 391883864 · Headquarters: Wauwatosa, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Society of Radiologic Wisconsin Society of Radiologic Tec

    EIN 237101969 · Headquarters: SEYMOUR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. American Society of Safety Professionals

    EIN 911810960 · Headquarters: stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Society of Tax Professionals

    EIN 460397201 · Headquarters: CHETEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. American Staffing Association

    EIN 753022539 · Headquarters: Menomonee Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Standardbred Adoption Program Inc

    EIN 391829721 · Headquarters: De Soto, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Statistical Association

    EIN 510160719 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Student Dental Association

    EIN 261491099 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Subcontractors Association of Greater Milwaukee Inc

    EIN 391562006 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. American Suzuki Foundation of Stevens Point Wisconsin Inc

    EIN 237400175 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Syrian Lebanese Club of Milwaukee Inc

    EIN 371506989 · Headquarters: GERMANTOWN, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Taxpayers Assistance League Incorporated

    EIN 264398803 · Headquarters: Green Bay, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  86. American Trauma Society

    EIN 237346053 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Underwear Company

    EIN 853163148 · Headquarters: South Milwaukee, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. American Values Inc

    EIN 920249606 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Veterinary Exhibitor Association Inc

    EIN 205108823 · Headquarters: Menomonie, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Volkssport Association Inc

    EIN 391923493 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Volkssport Association Inc

    EIN 911916697 · Headquarters: NIAGARA, WI, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. American Warrior Initiative Inc

    EIN 473566126 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. American Water Spaniel Rescue Inc

    EIN 260369143 · Headquarters: Kewaskum, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. American Whippet Club Inc

    EIN 237373881 · Headquarters: BURNETT, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. American Women Society of Cpas- Madison

    EIN 391707247 · Headquarters: MAZOMANIE, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. American Youth Football Inc

    EIN 204965710 · Headquarters: Neillsville, WI, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. American Youth Football Inc

    EIN 208011422 · Headquarters: Loyal, WI, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  98. American Youth Football Inc

    EIN 262538785 · Headquarters: ATHENS, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. American Youth Football Inc

    EIN 272425258 · Headquarters: Withee, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. American Youth Football Inc

    EIN 391710324 · Headquarters: OWEN, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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