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. United States Pony Clubs Inc

    EIN 391875129 · Headquarters: Nashotah, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. United States Pony Clubs Inc

    EIN 391920575 · Headquarters: BLOOMER, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. United States Pony Clubs Inc

    EIN 832744350 · Headquarters: Ladysmith, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. United States Pony Clubs Inc

    EIN 841909683 · Headquarters: Sister Bay, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. United States Power Squadrons

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

  6. United States Power Squadrons

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

  7. United States Power Squadrons

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

  8. United States Power Squadrons

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

  9. United States Power Squadrons

    EIN 396081098 · Headquarters: Sheboygan, WI, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  10. United States Power Squadrons

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

  11. United States Power Squadrons Milwaukee Sail and Power Squadron

    EIN 396091100 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. 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

  13. United States Soling Association Ussa

    EIN 391418949 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. United States Special Guerilla Unit

    EIN 462932838 · Headquarters: Manitowoc, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. 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

  16. 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

  17. United Steelworkers

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

  18. United Steelworkers

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

  19. United Steelworkers

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

  20. United Steelworkers

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

  21. United Steelworkers

    EIN 237211012 · Headquarters: MENASHA, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. United Steelworkers

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

  23. United Steelworkers

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

  24. United Steelworkers

    EIN 366163409 · Headquarters: WEST ALLIS, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. United Steelworkers

    EIN 381563243 · Headquarters: Niagara, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. United Steelworkers

    EIN 381693204 · Headquarters: Menosha, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. United Steelworkers

    EIN 382609603 · Headquarters: MENASHA, WI, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. United Steelworkers

    EIN 390127033 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. United Steelworkers

    EIN 390259765 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. United Steelworkers

    EIN 390367769 · Headquarters: Wisconsin Rapids, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. United Steelworkers

    EIN 390498963 · Headquarters: Nekoosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. United Steelworkers

    EIN 390503005 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. United Steelworkers

    EIN 390525033 · Headquarters: Menasha, WI, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. United Steelworkers

    EIN 390635694 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. United Steelworkers

    EIN 390671720 · Headquarters: Cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. United Steelworkers

    EIN 390732519 · Headquarters: Clintonville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. United Steelworkers

    EIN 390735063 · Headquarters: Beloit, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. United Steelworkers

    EIN 390739608 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. United Steelworkers

    EIN 390756785 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. United Steelworkers

    EIN 390794788 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. United Steelworkers

    EIN 390810755 · Headquarters: Marinette, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. United Steelworkers

    EIN 390827545 · Headquarters: Milwaukee, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. United Steelworkers

    EIN 390839352 · Headquarters: TOMAHAWK, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. United Steelworkers

    EIN 390847361 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. United Steelworkers

    EIN 390860160 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. United Steelworkers

    EIN 390886962 · Headquarters: Schofield, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. United Steelworkers

    EIN 390892973 · Headquarters: WEST ALLIS, WI, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. United Steelworkers

    EIN 390920305 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Steelworkers

    EIN 390936307 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. United Steelworkers

    EIN 390937069 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. United Steelworkers

    EIN 390941936 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. United Steelworkers

    EIN 390967767 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. United Steelworkers

    EIN 390968661 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. United Steelworkers

    EIN 390969374 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. United Steelworkers

    EIN 390970291 · Headquarters: CAMP DOUGLAS, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. United Steelworkers

    EIN 390971851 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. United Steelworkers

    EIN 390972915 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. United Steelworkers

    EIN 390975782 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. United Steelworkers

    EIN 390979882 · Headquarters: Juneau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. United Steelworkers

    EIN 390986159 · Headquarters: Pepere, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. United Steelworkers

    EIN 390988657 · Headquarters: MENASHA, WI, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  62. United Steelworkers

    EIN 391016258 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 391016570 · Headquarters: Stoughton, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. United Steelworkers

    EIN 391016819 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. United Steelworkers

    EIN 391020465 · Headquarters: Kaukauna, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. United Steelworkers

    EIN 391021050 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. United Steelworkers

    EIN 391022771 · Headquarters: North Freedom, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. United Steelworkers

    EIN 391027068 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. United Steelworkers

    EIN 391027332 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. United Steelworkers

    EIN 391043670 · Headquarters: Kewaskum, WI, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. United Steelworkers

    EIN 391125436 · Headquarters: Antigo, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. United Steelworkers

    EIN 391133644 · Headquarters: MILWAUKEE, WI, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  73. United Steelworkers

    EIN 391135648 · Headquarters: MENASHA, WI, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  74. United Steelworkers

    EIN 391139601 · Headquarters: Menash, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. United Steelworkers

    EIN 391144925 · Headquarters: Florence, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. United Steelworkers

    EIN 391181449 · Headquarters: Bonduel, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. United Steelworkers

    EIN 391187407 · Headquarters: BRILLION, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. United Steelworkers

    EIN 391193072 · Headquarters: Mosinee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. United Steelworkers

    EIN 391196261 · Headquarters: Menasha, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. United Steelworkers

    EIN 391197749 · Headquarters: Redgranite, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. United Steelworkers

    EIN 391348607 · Headquarters: Randomlake, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. United Steelworkers

    EIN 391472611 · Headquarters: Marion, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. United Steelworkers

    EIN 391588949 · Headquarters: MENASHA, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  84. United Steelworkers

    EIN 391647199 · Headquarters: MANITOWOC, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. United Steelworkers

    EIN 391930433 · Headquarters: Evansville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. United Steelworkers

    EIN 391979708 · Headquarters: WEST ALLIS, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. United Steelworkers

    EIN 396045324 · Headquarters: CUDAHY, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  88. United Steelworkers

    EIN 396050714 · Headquarters: South Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. United Steelworkers

    EIN 396060367 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. United Steelworkers

    EIN 396061997 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. United Steelworkers

    EIN 396062656 · Headquarters: Kewannee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. United Steelworkers

    EIN 396065507 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. United Steelworkers

    EIN 396068374 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. United Steelworkers

    EIN 396072936 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. United Steelworkers

    EIN 396075525 · Headquarters: Pulaski, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. United Steelworkers

    EIN 396075644 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. United Steelworkers

    EIN 396076300 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. United Steelworkers

    EIN 396076301 · Headquarters: SEYMOUR, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. United Steelworkers

    EIN 396076304 · Headquarters: Montello, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. United Steelworkers

    EIN 396076461 · Headquarters: Fond Du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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