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. Pi Sigma Epsilon

    EIN 454155371 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Pi Sigma Epsilon - Theta Beta at George Washington

    EIN 332994388 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Pi Sigma Epsilon - Zeta Theta Chapter

    EIN 453250681 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Pi Sigma Epsilon Inc

    EIN 260085557 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Pi Sigma Epsilon Inc

    EIN 260085558 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Pi Sigma Epsilon Inc

    EIN 270089711 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Pi Sigma Epsilon Inc

    EIN 270089715 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Pi Sigma Epsilon Inc

    EIN 270193484 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Pi Sigma Epsilon Inc

    EIN 270747193 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Pi Sigma Epsilon Inc

    EIN 271150428 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Pi Sigma Epsilon Inc

    EIN 271214029 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Pi Sigma Epsilon Inc

    EIN 273035807 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. Pi Sigma Epsilon Inc

    EIN 273264930 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Pi Sigma Epsilon Inc

    EIN 300444460 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Pi Sigma Epsilon Inc

    EIN 300520045 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Pi Sigma Epsilon Inc

    EIN 300520049 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Pi Sigma Epsilon Inc

    EIN 320217444 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Pi Sigma Epsilon Inc

    EIN 331103680 · Headquarters: GREENFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  19. Pi Sigma Epsilon Inc

    EIN 352357574 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Pi Sigma Epsilon Inc

    EIN 364630333 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Pi Sigma Epsilon Inc

    EIN 364640890 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Pi Sigma Epsilon Inc

    EIN 371556406 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Pi Sigma Epsilon Inc

    EIN 371574488 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Pi Sigma Epsilon Inc

    EIN 383770357 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Pi Sigma Epsilon Inc

    EIN 412188054 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Pi Sigma Epsilon Inc

    EIN 412188063 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Pi Sigma Epsilon Inc

    EIN 412188064 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Pi Sigma Epsilon Inc

    EIN 412188065 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Pi Sigma Epsilon Inc

    EIN 461955291 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Pi Sigma Epsilon Inc

    EIN 462396380 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Pi Sigma Epsilon Inc

    EIN 465190311 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Pi Sigma Epsilon Inc

    EIN 471540283 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Pi Sigma Epsilon Inc

    EIN 473519665 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Pi Sigma Epsilon Inc

    EIN 473872043 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Pi Sigma Epsilon Inc

    EIN 474115109 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Pi Sigma Epsilon Inc

    EIN 474282075 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Pi Sigma Epsilon Inc

    EIN 474661270 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Pi Sigma Epsilon Inc

    EIN 541623609 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Pi Sigma Epsilon Inc

    EIN 580832362 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Pi Sigma Epsilon Inc

    EIN 611546820 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Pi Sigma Epsilon Inc

    EIN 731701892 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Pi Sigma Epsilon Inc

    EIN 743121386 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Pi Sigma Epsilon Inc

    EIN 743121388 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Pi Sigma Epsilon Inc

    EIN 743121390 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Pi Sigma Epsilon Inc

    EIN 743121393 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Pi Sigma Epsilon Inc

    EIN 743121394 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Pi Sigma Epsilon Inc

    EIN 743121396 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Pi Sigma Epsilon Inc

    EIN 743121397 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Pi Sigma Epsilon Inc

    EIN 743121398 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Pi Sigma Epsilon Inc

    EIN 743121400 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Pi Sigma Epsilon Inc

    EIN 743121404 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Pi Sigma Epsilon Inc

    EIN 811572376 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Pi Sigma Epsilon Inc

    EIN 823264204 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Pi Sigma Epsilon Inc

    EIN 824429914 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Pi Sigma Epsilon Inc

    EIN 824987282 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Pi Sigma Epsilon Inc

    EIN 830391300 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Pi Sigma Epsilon Inc

    EIN 830391301 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Pi Sigma Epsilon Inc

    EIN 830391302 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Pi Sigma Epsilon Inc

    EIN 830391303 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Pi Sigma Epsilon Inc

    EIN 830391309 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Pi Sigma Epsilon Inc

    EIN 830391310 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Pi Sigma Epsilon Inc

    EIN 830391312 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Pi Sigma Epsilon Inc

    EIN 830391313 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Pi Sigma Epsilon Inc

    EIN 830391314 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Pi Sigma Epsilon Inc

    EIN 830391315 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Pi Sigma Epsilon Inc

    EIN 830391317 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Pi Sigma Epsilon Inc

    EIN 831993634 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Pi Sigma Epsilon Inc

    EIN 834004411 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Pi Sigma Epsilon Inc

    EIN 834049811 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Pi Sigma Epsilon Inc

    EIN 844168044 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Pi Sigma Epsilon Inc

    EIN 861721097 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Pi Sigma Epsilon Inc

    EIN 873584311 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Pi Sigma Epsilon Inc

    EIN 873632023 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Pi Sigma Epsilon Inc

    EIN 873888278 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Pi Sigma Epsilon Inc

    EIN 900298081 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Pi Sigma Epsilon Inc

    EIN 900298084 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Pi Sigma Epsilon Inc

    EIN 900728001 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Pi Sigma Epsilon Inc - Alpha Lambda Chapter

    EIN 271473308 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Pi Sigma Epsilon Inc - Alpha Rho

    EIN 331354754 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Pi Sigma Epsilon Inc - Epsilon Omicron

    EIN 824461298 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Pi Sigma Epsilon Inc - Theta Alpha

    EIN 331378093 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Pi Sigma Epsilon Inc - Zeta Kappa Chapter

    EIN 452257683 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Pi Sigma Epsilon Inc - Zeta Zeta Chapter

    EIN 270449760 · Headquarters: Greenfield, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pi Sigma Epsilon Inc-baruch College the City University of New York

    EIN 371583533 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Pi Sigma Epsilon National Educational Foundation Inc

    EIN 391650560 · Headquarters: GREENFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Pi Sigma Espilon

    EIN 270548906 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Pi Tau Sigma

    EIN 396077381 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Pi Tau Sigma

    EIN 582176645 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Piano Arts of Wisconsin Inc

    EIN 391882903 · Headquarters: Waukesha, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Piano for Change

    EIN 852494443 · Headquarters: Mequon, WI, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  91. Piano Technicians Guild Inc Milwaukee Chapter

    EIN 113698776 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Piano Technicians Guild Madison Chapter

    EIN 264802729 · Headquarters: Verona, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pick Fresh Co

    EIN 931845706 · Headquarters: Menomonee Falls, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Pickerel Area Lions Foundation

    EIN 991214735 · Headquarters: Pickerel, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pickerel Chain Lake Association

    EIN 462865581 · Headquarters: Townsend, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Pickerel Lake Preservation Assoc

    EIN 412174891 · Headquarters: Sayner, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pickerel Pearson Wolf River Riders Inc

    EIN 571213051 · Headquarters: Clintonville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pickerel Volunteer Fire Dept & Rescue Inc

    EIN 391329359 · Headquarters: PICKEREL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Pickett Steam & Gas Engine Club Inc

    EIN 391611556 · Headquarters: RIPON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Pickle Pooh Memorial Ride

    EIN 920817967 · Headquarters: De Pere, WI, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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