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. United Steelworkers

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

  2. United Steelworkers

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

  3. United Steelworkers

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

  4. United Steelworkers

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

  5. United Steelworkers

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

  6. United Steelworkers

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

  7. United Steelworkers

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

  8. United Steelworkers

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

  9. United Steelworkers

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

  10. United Steelworkers

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

  11. United Steelworkers

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

  12. United Steelworkers

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

  13. United Steelworkers

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

  14. United Steelworkers

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

  15. United Steelworkers

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

  16. United Steelworkers

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

  17. United Steelworkers

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

  18. United Steelworkers

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

  19. United Steelworkers

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

  20. United Steelworkers

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

  21. United Steelworkers

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

  22. United Steelworkers

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

  23. United Steelworkers

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

  24. United Steelworkers

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

  25. United Steelworkers

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

  26. United Steelworkers

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

  27. United Steelworkers

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

  28. United Steelworkers

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

  29. United Steelworkers

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

  30. United Steelworkers

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

  31. United Steelworkers

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

  32. United Steelworkers

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

  33. United Steelworkers

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

  34. United Steelworkers

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

  35. United Steelworkers

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

  36. United Steelworkers

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

  37. United Steelworkers

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

  38. United Steelworkers

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

  39. United Steelworkers

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

  40. United Steelworkers

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

  41. United Steelworkers

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

  42. United Steelworkers

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

  43. United Steelworkers

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

  44. United Steelworkers

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

  45. United Steelworkers

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

  46. United Steelworkers

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

  47. United Steelworkers

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

  48. United Steelworkers

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

  49. United Steelworkers

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

  50. United Steelworkers

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

  51. United Steelworkers

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

  52. United Steelworkers

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

  53. United Steelworkers

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

  54. United Steelworkers

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

  55. United Steelworkers

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

  56. United Steelworkers

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

  57. United Steelworkers

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

  58. United Steelworkers

    EIN 396077513 · Headquarters: Mosinee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. United Steelworkers

    EIN 396077519 · Headquarters: DEPERE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. United Steelworkers

    EIN 396078387 · Headquarters: Manitowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  61. United Steelworkers

    EIN 396081164 · Headquarters: Little Suamico, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. United Steelworkers

    EIN 396081165 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 396085630 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. United Steelworkers

    EIN 396093406 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. United Steelworkers

    EIN 396093909 · Headquarters: Schofield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. United Steelworkers

    EIN 396093911 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. United Steelworkers

    EIN 396097448 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. United Steelworkers

    EIN 396097459 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. United Steelworkers

    EIN 396100524 · Headquarters: Burlington, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. United Steelworkers

    EIN 396101960 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. United Steelworkers

    EIN 396102329 · Headquarters: Tomahawk, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. United Steelworkers

    EIN 521214345 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. United Steelworkers

    EIN 521528520 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. United Steelworkers

    EIN 900281927 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. United Steelworkers

    EIN 930757493 · Headquarters: Park Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. United Steelworkers

    EIN 930799301 · Headquarters: Rhinelander, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. United Steelworkers 2-00370 Local

    EIN 391126229 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. United Steelworkers 2-116

    EIN 391017935 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. United Steelworkers International

    EIN 390127035 · Headquarters: South Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. United Steelworkers International

    EIN 390368035 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. United Steelworkers International

    EIN 390941194 · Headquarters: Ripon, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. United Steelworkers International

    EIN 391018244 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. United Steelworkers International

    EIN 396076302 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. United Steelworkers International

    EIN 396100414 · Headquarters: New London, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. United Steelworkers International Local 2-01822

    EIN 412192582 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. United Steelworkers Local 1096

    EIN 391744130 · Headquarters: Pulaski, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. United Steelworkers Local 1321

    EIN 396127563 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. United Steelworkers Local 1533

    EIN 390635705 · Headquarters: Beloit, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. United Steelworkers Local 2-42

    EIN 396076033 · Headquarters: Mondovi, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. United Steelworkers Local 2-469

    EIN 391152992 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. United Steelworkers Local 2138

    EIN 391240543 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. United Steelworkers Local 232

    EIN 390669902 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. United Temple Association Inc

    EIN 396108233 · Headquarters: La Crosse, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. United Way of Dane County Foundation Inc

    EIN 391763471 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. United Way of Dane County Inc

    EIN 390817532 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. United Way of Green County Inc

    EIN 396060531 · Headquarters: Monroe, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. United Way of Jefferson & N Walworth Counties Inc

    EIN 396046361 · Headquarters: FORT ATKINSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. United Way of Northern Ozaukee Inc

    EIN 237084522 · Headquarters: PORT WASHINGTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. United Way of Platteville Inc

    EIN 396044461 · Headquarters: PLATTEVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. United Way of Portage County Inc

    EIN 390831152 · Headquarters: STEVENS POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

First page and all pages