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. Union Grove High School Secretary Custodian

    EIN 262708226 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Union Grove Memorial Association

    EIN 390740057 · Headquarters: UNION GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Union Hall Association

    EIN 390669055 · Headquarters: RACINE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Union Herald Inc

    EIN 391399963 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Union High School Education Association

    EIN 237078931 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Union Labor Temple Association

    EIN 390669173 · Headquarters: JANESVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Union No 32 F and a M

    EIN 237532409 · Headquarters: Dousman, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Union Threshermans Inc

    EIN 391918863 · Headquarters: MANAWA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Unite Wisconsin Inc

    EIN 821039003 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. United Alma Center Education Association

    EIN 262690247 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. United Assn of Journeyman & 75 Ppf

    EIN 390542915 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. United Association Journeymen & 118 Ppf

    EIN 390542900 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. United Association of Journeymen & Apprentices of the Plumbing & Pipe

    EIN 391147455 · Headquarters: Menomonee Falls, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. United Brotherhood of Carpenters & 955 Bcj

    EIN 396076392 · Headquarters: GREENVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. United Brotherhood of Carpenters & Joiners of America

    EIN 391590015 · Headquarters: Wausau, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. United Brotherhood of Carpenters & Joiners of America - Local 1056 Waupaca

    EIN 391588396 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. United Brotherhood of Carpenters & Joiners of America Local 1074

    EIN 390855107 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. United Brotherhood of Carpenters & Joiners of America Local 2089

    EIN 861849771 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. United Brotherhood of Carpenters & Joiners of America Local 731

    EIN 391592655 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. United Brotherhood of Carpenters & Joiners of American - Local 1143

    EIN 390198896 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. United Brotherhood of Carpenters and Joiners Local #2337

    EIN 390971468 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. United Brotherhood of Carpenters and Joiners of America Local Union 314

    EIN 390198847 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. United Brotherhood of Carpenters and Joiners of America Local Union No 161

    EIN 390198840 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. United Cerebral Palsy of Greater Dane County Inc

    EIN 391034054 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. United Cerebral Palsy of West Central Wisconsin Inc

    EIN 391204145 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. United Child Care Center of Lake Geneva

    EIN 391812966 · Headquarters: LAKE GENEVA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. United Commercial Travelers of Amer Ica

    EIN 237622074 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. United Commercial Travelers of America

    EIN 390670125 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. United Commercial Travelers of America

    EIN 390836324 · Headquarters: CALEDONIA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. United Daughters of the Confederacy

    EIN 273404391 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. United Daughters of the Confederacy

    EIN 452760453 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. United Daughters of the Confederacy

    EIN 452760529 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. United Daughters of the Confederacy

    EIN 452760552 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. United Day Care Inc

    EIN 391658012 · Headquarters: Hudson, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. United Eau Claire Chapter of the Amer Business Womens Assoc

    EIN 392001148 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  36. United Electric Workers Retirees

    EIN 396284948 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. United Electrical Radio & Machine Workers of America

    EIN 391779101 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. United Electrical Radio & Machine Workers of America

    EIN 391779918 · Headquarters: Necedah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. United Electrical Radio & Machine Workers of America

    EIN 391862587 · Headquarters: LaCrosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. United Electrical Radio and Machine Workers of America Ue Local 1186

    EIN 851391756 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. United Food & Commercial Workers Mcbw 538

    EIN 390282683 · Headquarters: FORT ATKINSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. United Food & Commercial Workers Unions & Employers Health Plan

    EIN 390979166 · Headquarters: GREENDALE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. United Food and Commercial Workers International Union

    EIN 390667345 · Headquarters: CHIPPEWA FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. United Food and Commercial Workers International Union

    EIN 391582753 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. United Food and Commercial Workers International Union

    EIN 396050943 · Headquarters: MARSHFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. United Food and Commercial Workers International Union

    EIN 396077528 · Headquarters: KAUKAUNA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. United Food and Commercial Workers International Union

    EIN 396077529 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. United Food and Commercial Workers International Union

    EIN 396085673 · Headquarters: ALGOMA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Food and Commercial Workers International Union

    EIN 396106158 · Headquarters: OOSTBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. United Food and Commercial Workers Local 1473

    EIN 562585698 · Headquarters: GREENDALE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. United Fund for the Arts and Humanities

    EIN 391543981 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. United Fund of Chilton Inc

    EIN 237152495 · Headquarters: New Holstein, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. United Fund of Columbus Inc

    EIN 396050167 · Headquarters: Columbus, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. United Fund of Cumberland Inc

    EIN 391425939 · Headquarters: CUMBERLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. United Fund of Iowa County Inc

    EIN 237140278 · Headquarters: Dodgeville, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. United Fund of Kewaunee County Wisconsin Inc

    EIN 237037187 · Headquarters: Kewaunee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. United Fund-troy Township Inc

    EIN 237008304 · Headquarters: HUDSON, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 237617537 · Headquarters: Sussex, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 391544634 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 391544635 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. United Lakewood Educators Ule

    EIN 391268321 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. United Lakewood Educators-kettle Moraine Chapter

    EIN 263528205 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. United Masonic Board for De Molay in Wisconsin Inc

    EIN 237291002 · Headquarters: Racine, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. United Northeast Educators-retired

    EIN 262707244 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. United Ostomy Association of Americ

    EIN 391327209 · Headquarters: BLAIR, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. United Pioneer Home Inc

    EIN 390843803 · Headquarters: LUCK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. United Pipe Clubs of America

    EIN 882780740 · Headquarters: Juda, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. United Professional Horseman's Association

    EIN 391703263 · Headquarters: IXONIA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. United Soccer Club of West Bend Inc

    EIN 391691558 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. United Special Sportsman Alliance I

    EIN 300154197 · Headquarters: PITTSVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. United Staff Union of Wisconsin

    EIN 237086034 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. United States Amateur Boxing Inc

    EIN 391395998 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. United States Diving Inc

    EIN 814937121 · Headquarters: Brown Deer, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. United States Junior Chamber of Commerce

    EIN 237380304 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. United States Junior Chamber of Commerce

    EIN 391589272 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. United States Junior Chamber of Commerce

    EIN 391977408 · Headquarters: WITHEE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. United States Junior Chamber of Commerce

    EIN 396061417 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. United States Junior Chamber of Commerce

    EIN 396062745 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. United States Junior Chamber of Commerce

    EIN 396109513 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. United States Junior Chamber of Commerce

    EIN 510192318 · Headquarters: Lancaster, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. United States Masters Swimming Inc

    EIN 311131758 · Headquarters: Sussex, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. United States Motorcycle Manufacturers Association Inc

    EIN 391753021 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. United States Naval Sea Corps

    EIN 010615290 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  84. United States of America National Comm of the Int'l Dairy Fed Inc

    EIN 363177137 · Headquarters: FITCHBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. United States Patriots Society Action Inc

    EIN 333417111 · Headquarters: Saint Germain, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. United States Pony Clubs Inc

    EIN 204867849 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. United States Power Squadrons

    EIN 391273799 · Headquarters: Poynette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. United States Power Squadrons

    EIN 391695871 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. United States Power Squadrons

    EIN 396075781 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. United States Power Squadrons

    EIN 396076973 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. United States Power Squadrons

    EIN 396081143 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. United States Snowmobile Association Central Division Inc

    EIN 391466431 · Headquarters: WITHEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  93. United States Tennis Association Inc

    EIN 396283503 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. United Steel Workers Local #2-169

    EIN 391171442 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. United Steelworkers

    EIN 043791662 · Headquarters: KEWSKUM, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. United Steelworkers

    EIN 237107784 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. United Steelworkers

    EIN 237109997 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. United Steelworkers

    EIN 237189597 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  99. United Steelworkers

    EIN 237302126 · Headquarters: Mequon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. United Steelworkers

    EIN 237397893 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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