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. Psi Chi the National Honor Society in Psychology

    EIN 582039999 · Headquarters: Platteville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Psi Chi the National Honor Society in Psychology

    EIN 812573185 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Pta Wisconsin Congress

    EIN 020676502 · Headquarters: KENOSHA, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Pta Wisconsin Congress

    EIN 043671798 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Pta Wisconsin Congress

    EIN 208190997 · Headquarters: Spencer, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Pta Wisconsin Congress

    EIN 208955219 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Pta Wisconsin Congress

    EIN 237162337 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Pta Wisconsin Congress

    EIN 237162340 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Pta Wisconsin Congress

    EIN 237162342 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Pta Wisconsin Congress

    EIN 237162356 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Pta Wisconsin Congress

    EIN 237162392 · Headquarters: WAUWATOSA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Pta Wisconsin Congress

    EIN 237162432 · Headquarters: KENOSHA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Pta Wisconsin Congress

    EIN 237162448 · Headquarters: Neenah, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Pta Wisconsin Congress

    EIN 237162469 · Headquarters: West Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Pta Wisconsin Congress

    EIN 237162476 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Pta Wisconsin Congress

    EIN 237162481 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Pta Wisconsin Congress

    EIN 237162647 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Pta Wisconsin Congress

    EIN 237162648 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Pta Wisconsin Congress

    EIN 237162657 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Pta Wisconsin Congress

    EIN 237162659 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Pta Wisconsin Congress

    EIN 237162667 · Headquarters: EAU CLAIRE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Pta Wisconsin Congress

    EIN 237162701 · Headquarters: STURTEVANT, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Pta Wisconsin Congress

    EIN 237162756 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Pta Wisconsin Congress

    EIN 237162760 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Pta Wisconsin Congress

    EIN 237162763 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Pta Wisconsin Congress

    EIN 237162800 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Pta Wisconsin Congress

    EIN 237163575 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Pta Wisconsin Congress

    EIN 237163606 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Pta Wisconsin Congress

    EIN 237163607 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Pta Wisconsin Congress

    EIN 237163610 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Pta Wisconsin Congress

    EIN 237163699 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Pta Wisconsin Congress

    EIN 237191733 · Headquarters: RACINE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Pta Wisconsin Congress

    EIN 237352688 · Headquarters: JANESVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Pta Wisconsin Congress

    EIN 264320278 · Headquarters: Osceola, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Pta Wisconsin Congress

    EIN 273228059 · Headquarters: SOUTH RANGE, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Pta Wisconsin Congress

    EIN 273618786 · Headquarters: Tony, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Pta Wisconsin Congress

    EIN 311583538 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Pta Wisconsin Congress

    EIN 331218416 · Headquarters: Elkhorn, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Pta Wisconsin Congress

    EIN 390841949 · Headquarters: Osceola, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Pta Wisconsin Congress

    EIN 391293763 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Pta Wisconsin Congress

    EIN 391307259 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Pta Wisconsin Congress

    EIN 391307779 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Pta Wisconsin Congress

    EIN 391349592 · Headquarters: Racine, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  44. Pta Wisconsin Congress

    EIN 391412097 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Pta Wisconsin Congress

    EIN 391412398 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Pta Wisconsin Congress

    EIN 391427193 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Pta Wisconsin Congress

    EIN 391455844 · Headquarters: Pleasant Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Pta Wisconsin Congress

    EIN 391461235 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Pta Wisconsin Congress

    EIN 391461747 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Pta Wisconsin Congress

    EIN 391488216 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Pta Wisconsin Congress

    EIN 391495773 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Pta Wisconsin Congress

    EIN 391529885 · Headquarters: Chilton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Pta Wisconsin Congress

    EIN 391578501 · Headquarters: Middleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Pta Wisconsin Congress

    EIN 391605907 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Pta Wisconsin Congress

    EIN 391620888 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Pta Wisconsin Congress

    EIN 391626735 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Pta Wisconsin Congress

    EIN 391659396 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Pta Wisconsin Congress

    EIN 391659771 · Headquarters: Luxemburg, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Pta Wisconsin Congress

    EIN 391694922 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Pta Wisconsin Congress

    EIN 391742513 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Pta Wisconsin Congress

    EIN 391745257 · Headquarters: BOYCEVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Pta Wisconsin Congress

    EIN 391765982 · Headquarters: Waukesha, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Pta Wisconsin Congress

    EIN 391769775 · Headquarters: MAYVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Pta Wisconsin Congress

    EIN 391777440 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Pta Wisconsin Congress

    EIN 391806526 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Pta Wisconsin Congress

    EIN 391821125 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Pta Wisconsin Congress

    EIN 391838603 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Pta Wisconsin Congress

    EIN 391843910 · Headquarters: Plainfield, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Pta Wisconsin Congress

    EIN 391867544 · Headquarters: TURTLE LAKE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Pta Wisconsin Congress

    EIN 391955734 · Headquarters: West Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Pta Wisconsin Congress

    EIN 396061480 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Pta Wisconsin Congress

    EIN 396081791 · Headquarters: Pleasant Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  73. Pta Wisconsin Congress

    EIN 463013397 · Headquarters: Shullsburg, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Pta Wisconsin Congress

    EIN 463463433 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Pta Wisconsin Congress

    EIN 464186769 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Pta Wisconsin Congress

    EIN 472059043 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Pta Wisconsin Congress

    EIN 510223780 · Headquarters: RACINE, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Pta Wisconsin Congress

    EIN 510223781 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Pta Wisconsin Congress

    EIN 510224057 · Headquarters: Caledonia, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Pta Wisconsin Congress

    EIN 812610173 · Headquarters: RACINE, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Pta Wisconsin Congress

    EIN 813024106 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Pta Wisconsin Congress

    EIN 822414131 · Headquarters: Elkhart Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Pta Wisconsin Congress

    EIN 824574238 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Pta Wisconsin Congress

    EIN 824747903 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Pta Wisconsin Congress

    EIN 824776807 · Headquarters: Seymour, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Pta Wisconsin Congress

    EIN 825031664 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Pta Wisconsin Congress

    EIN 831986027 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Pta Wisconsin Congress

    EIN 874388917 · Headquarters: Wilton, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Pta Wisconsin Congress

    EIN 883989726 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Pta Wisconsin Congress

    EIN 884033560 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Pta Wisconsin Congress

    EIN 900388470 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Pta Wisconsin Congress

    EIN 901140096 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pta Wisconsin Congress

    EIN 911961537 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Pta Wisconsin Congress

    EIN 911961539 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pta Wisconsin Congress

    EIN 911961544 · Headquarters: Marshall, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Pta Wisconsin Congress

    EIN 911961962 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Pta Wisconsin Congress

    EIN 920526721 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pta Wisconsin Congress

    EIN 930839018 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Pta Wisconsin Congress

    EIN 932230646 · Headquarters: NEW HOLSTEIN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pta Wisconsin Congress

    EIN 933129778 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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