Unknown & Unclassified nonprofits in Wisconsin

Unknown & Unclassified nonprofits in Wisconsin. Browse 13,737 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 Society of Agricultural Engineers

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

  2. American Society of Agronomy

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

  3. 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

  4. American Society of Appraisers

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

  5. American Society of Golf Course Architects

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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. American Society of Safety Professionals

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

  13. American Society of Tax Professionals

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

  14. American Staffing Association

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

  15. American Statistical Association

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

  16. 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

  17. 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

  18. American Trauma Society

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

  19. American Values Inc

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

  20. American Volkssport Association Inc

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

  21. Americans 4 Security Inc

    EIN 844185217 · Headquarters: PLOVER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Americans for Fair Energy Prices Inc

    EIN 880973234 · Headquarters: MCFARLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  23. Americans for Good Government

    EIN 414779535 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Amery Area Senior Citizens Inc

    EIN 391540560 · Headquarters: AMERY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Amery Area Youth Football Associati

    EIN 263207898 · Headquarters: AMERY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Amery Band Boosters Inc

    EIN 391363012 · Headquarters: AMERY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Amery Economic Development Corporation

    EIN 270156959 · Headquarters: Amery, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Amery Gun Club

    EIN 264606590 · Headquarters: AMERY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Amery Hospital & Clinic

    EIN 390908320 · Headquarters: Amery, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Amery Lions Club Inc

    EIN 391392268 · Headquarters: AMERY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Amery Trap Team Inc

    EIN 392593860 · Headquarters: AMERY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Amhersts Own Child Care Inc

    EIN 391673127 · Headquarters: Amherst, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Amnesty International USA Inc

    EIN 814709781 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. AMVET Riders of Wisconsin

    EIN 262220580 · Headquarters: Neshkoro, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. AMVET Riders of Wisconsin Chapter 13

    EIN 814587506 · Headquarters: Neshkoro, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Amvets

    EIN 010969075 · Headquarters: union Grove, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Amvets

    EIN 020764680 · Headquarters: beaver dam, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Amvets

    EIN 030611454 · Headquarters: PHILLIPS, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Amvets

    EIN 061691958 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Amvets

    EIN 201360326 · Headquarters: Tomah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Amvets

    EIN 237054225 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Amvets

    EIN 237054247 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Amvets

    EIN 237054285 · Headquarters: REDGRANITE, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Amvets

    EIN 237054428 · Headquarters: Cedarburg, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Amvets

    EIN 237306002 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Amvets

    EIN 237397895 · Headquarters: Downing, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Amvets

    EIN 237431835 · Headquarters: Reedsville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Amvets

    EIN 262615219 · Headquarters: PHILLIPS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Amvets

    EIN 263254037 · Headquarters: barron, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Amvets

    EIN 270121634 · Headquarters: BRODHEAD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Amvets

    EIN 270888260 · Headquarters: LADYSMITH, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Amvets

    EIN 271910386 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Amvets

    EIN 272014012 · Headquarters: Egg Harbor, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Amvets

    EIN 273470547 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Amvets

    EIN 273982411 · Headquarters: New Auburn, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Amvets

    EIN 386069409 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Amvets

    EIN 391264905 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Amvets

    EIN 391520470 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. Amvets

    EIN 391546144 · Headquarters: KEWAUNEE, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Amvets

    EIN 391574361 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Amvets

    EIN 391591963 · Headquarters: Pulaski, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Amvets

    EIN 391599231 · Headquarters: Union Grove, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Amvets

    EIN 391618963 · Headquarters: Rice Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Amvets

    EIN 391663718 · Headquarters: West Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Amvets

    EIN 391677962 · Headquarters: Spooner, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Amvets

    EIN 391876133 · Headquarters: Independence, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Amvets

    EIN 391885592 · Headquarters: wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Amvets

    EIN 391885611 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Amvets

    EIN 391960590 · Headquarters: Hayward, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Amvets

    EIN 392007707 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Amvets

    EIN 396054433 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Amvets

    EIN 396064021 · Headquarters: Cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Amvets

    EIN 396075434 · Headquarters: SOUTH MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Amvets

    EIN 396077253 · Headquarters: Oconto, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Amvets

    EIN 396078155 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Amvets

    EIN 421751078 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Amvets

    EIN 461280073 · Headquarters: REDGRANITE, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Amvets

    EIN 472942306 · Headquarters: Altoona, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Amvets

    EIN 522906415 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. Amvets

    EIN 562500468 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Amvets

    EIN 743136268 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Amvets

    EIN 800412184 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Amvets

    EIN 810642470 · Headquarters: New Glarus, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Amvets

    EIN 811019693 · Headquarters: Webster, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Amvets

    EIN 820968409 · Headquarters: Bloomer, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Amvets

    EIN 830465572 · Headquarters: Chetek, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Amvets

    EIN 831135767 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. Amvets

    EIN 930744688 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Amvets

    EIN 930793845 · Headquarters: Amherst Junction, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Amvets

    EIN 930814334 · Headquarters: Neenah, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Amvets American Veterans Riders Chapter 0001

    EIN 320790716 · Headquarters: Strum, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Amvets District One

    EIN 392044878 · Headquarters: Trego, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Amvets Post 61

    EIN 900483140 · Headquarters: WAUWATOSA, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Amvets Post 99

    EIN 391175452 · Headquarters: MANITOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Amvets Riders of Wisconsin

    EIN 814547516 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Amy Montessori School Inc

    EIN 391224095 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Amyotrophic Lateral Sclerosis Association

    EIN 391600965 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Anamax Oldtimers Club

    EIN 710946162 · Headquarters: Algoma, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  99. Ananda Marga of Madison Inc

    EIN 237165910 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237382755 · Headquarters: Dousman, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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