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 Legion Jacob Copp Post 258

    EIN 396108411 · Headquarters: Little Chute, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. American Legion Krause Kraft Post 106

    EIN 390974043 · Headquarters: SEYMOUR, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. American Legion Landt - Thiel Post 470

    EIN 396053604 · Headquarters: Saukville, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. American Legion Leach Paulson 517

    EIN 930761005 · Headquarters: Dorchester, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Legion Milwaukee County Council Dept of Wisconcin

    EIN 396049690 · Headquarters: RACINE, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. American Legion Moe-miller Post 12

    EIN 396089060 · Headquarters: SPOONER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. American Legion Montgomery Plant

    EIN 390924774 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. American Legion of Wisconsin 4Th District

    EIN 393774064 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion Oney Johnston Post No 38

    EIN 390380495 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  10. American Legion Outagamie County Council

    EIN 900893315 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Legion Ozaukee County Council

    EIN 902373744 · Headquarters: Grafton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Legion Peter Wollner 288

    EIN 396177174 · Headquarters: CEDARBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. American Legion Post

    EIN 391167611 · Headquarters: Fremont, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Legion Post #375

    EIN 396052691 · Headquarters: Mukwonago, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. American Legion Post #481

    EIN 900281930 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Legion Post 0015

    EIN 396108352 · Headquarters: Juneau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Legion Post 0150 Polomis Tahlier

    EIN 396075426 · Headquarters: WAUSAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Legion Post 0166 Paul Frank Flo

    EIN 396057669 · Headquarters: FORT ATKINSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. American Legion Post 0350 Fuhrman

    EIN 390777962 · Headquarters: REEDSBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. American Legion Post 0370 Daniel Dopp

    EIN 391578907 · Headquarters: Wild Rose, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Legion Post 0493 Linden

    EIN 396078163 · Headquarters: LINDEN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Legion Post 0496

    EIN 396076474 · Headquarters: SHERWOOD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Legion Post 11

    EIN 390645233 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. American Legion Post 134

    EIN 396077818 · Headquarters: BOSCOBEL, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Legion Post 136

    EIN 396076222 · Headquarters: NIAGARA, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  26. American Legion Post 180

    EIN 390154065 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. American Legion Post 191 Hutchins

    EIN 396075275 · Headquarters: WHITEHALL, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Legion Post 204 Kinne Engelhart

    EIN 396060196 · Headquarters: ELLSWORTH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. American Legion Post 21

    EIN 396060736 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. American Legion Post 243

    EIN 396075423 · Headquarters: PLYMOUTH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. American Legion Post 251 Argyle

    EIN 870731420 · Headquarters: Argyle, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Legion Post 279

    EIN 237296791 · Headquarters: MARSHALL, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. American Legion Post 336

    EIN 396108447 · Headquarters: ONALASKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. American Legion Post 382

    EIN 396084246 · Headquarters: MENOMONEE FALLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  35. American Legion Post 396

    EIN 390733712 · Headquarters: Frederic, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. American Legion Post 416

    EIN 396069000 · Headquarters: GREENDALE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. American Legion Post 431

    EIN 390737944 · Headquarters: THREE LAKES, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. American Legion Post 434

    EIN 390807900 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. American Legion Post 471

    EIN 396177150 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. American Legion Post 501 (Group 925)

    EIN 237084573 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. American Legion Post 508

    EIN 396186810 · Headquarters: Wilton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Legion Post 522

    EIN 396108522 · Headquarters: HUBERTUS, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. American Legion Post 523

    EIN 396108523 · Headquarters: ABRAMS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Legion Post 53

    EIN 390380392 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. American Legion Post 59

    EIN 396075454 · Headquarters: STOUGHTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Legion Post 71

    EIN 161752916 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. American Legion Post 73

    EIN 390829544 · Headquarters: Neillsville, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. American Legion Post No 214

    EIN 396058264 · Headquarters: DARLINGTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. American Legion Post No 67

    EIN 396053914 · Headquarters: Lake Mills, WI, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  50. American Legion Post Rose Harms #355

    EIN 390943125 · Headquarters: GRAFTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. American Legion Roy L Vingers Post 52

    EIN 390128225 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Lgion

    EIN 396075377 · Headquarters: Ogema, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Liberty Action Fund

    EIN 884414963 · Headquarters: HUDSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. American Malting Barley Association Inc

    EIN 391418553 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. American Marketing Asociation Inc

    EIN 462165172 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Marketing Association Inc

    EIN 237100166 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Marketing Association Milwaukee Inc

    EIN 391462388 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Milking Shorthorn Society

    EIN 440556867 · Headquarters: BELOIT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. American Nephrology Nurses Association

    EIN 800633256 · Headquarters: Neenah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Netherland Dwarf Rabbit Club

    EIN 310926156 · Headquarters: Mukwonago, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Orff-schulwerk Association

    EIN 320242734 · Headquarters: Weston, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Orff-schulwerk Association

    EIN 391591141 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Orthoptic Council Inc

    EIN 421206155 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. 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

  65. American Physical Therapy Association Wisconsin Chapter

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

  66. American Planning Association-Wisconsin

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

  67. American Players Theatre Endowment Trust

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

  68. 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

  69. American Postal Workers Union

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

  70. American Postal Workers Union

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

  71. American Postal Workers Union

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

  72. American Postal Workers Union

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

  73. American Postal Workers Union

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

  74. American Postal Workers Union

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

  75. American Postal Workers Union

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

  76. American Postal Workers Union

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

  77. American Postal Workers Union

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

  78. American Postal Workers Union

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

  79. American Postal Workers Union

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

  80. 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

  81. American Postal Workers Union 1037

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

  82. 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

  83. American Postal Workers Union 4763

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

  84. American Postal Workers Union Afl-cio

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

  85. 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

  86. American Postal Workers Union Auxiliary

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

  87. American Poultry Historical Society

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

  88. 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

  89. 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

  90. American Property Owners Network Inc

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

  91. American Rental Assoc Wis Inc

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

  92. American Rhododendron Midwest Chapter

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

  93. American Rose Society

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

  94. 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

  95. 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

  96. American School Health Association

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

  97. 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

  98. American Society for Cybernetics

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

  99. American Society for Training & Development

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

  100. American Society for Veterinary Clinical Pathology

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

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