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. Mankind Network Inc

    EIN 263946503 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Manpowergroup Foundation Inc

    EIN 396052810 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Many Faces One Humanity Inc

    EIN 474243023 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Maple Bluff Country Club

    EIN 390449020 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Maranatha Baptist University

    EIN 391097032 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Maranatha Word of Faith World Outreach Center

    EIN 391585041 · Headquarters: DePere, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Marathon Area Swim Association Inc

    EIN 391593975 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Marathon County Agricultural Society Inc

    EIN 390449670 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marathon County Child Development Agency Inc

    EIN 391077239 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Marathon County Community Development Inc

    EIN 391445966 · Headquarters: Rothschild, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. Marathon County DHIA Cooperative

    EIN 390848737 · Headquarters: Weston, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Marathon County Farm Bureau Cooperative

    EIN 390808570 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Marathon County Hce

    EIN 391278819 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Marathon County Public Library Foundation Inc

    EIN 391402476 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Marathon County Rea

    EIN 271697429 · Headquarters: WAUSAU, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Marathon County Special Educators Association

    EIN 391918923 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Marathon County Urban Housing Agency Inc

    EIN 391445965 · Headquarters: Rothschild, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Marathon Education Association

    EIN 237086947 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Marathon Housing Association Inc

    EIN 391225374 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Marathon Lions Club

    EIN 930821612 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Marathon Residential and Counseling Services Inc

    EIN 391667751 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. March for Our Lives Wisconsin Inc

    EIN 831396837 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Marcus Corporation Employee Benefits Tru

    EIN 391636408 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  24. Marcus Corporation Foundation Inc

    EIN 396046268 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Marg W Hunt for Baker Hunt Fdn

    EIN 316021586 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Maria C Jackson-general George a White

    EIN 936020316 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Marian Catechist Apostolate

    EIN 391979891 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  28. Marian Catechist Apostolate Inc

    EIN 811158880 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  29. Marian R Scheibe Foundation Inc

    EIN 391488767 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Marianne and George Markham Foundation

    EIN 396044355 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Maribel Lions Club

    EIN 901035092 · Headquarters: MARIBEL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Maribel Non-profit Housing Corporation

    EIN 510190178 · Headquarters: Mishicot, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Maribel Sportsman Club

    EIN 391836136 · Headquarters: Maribel, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. Marine Corps League

    EIN 010684479 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Marine Corps League

    EIN 237060810 · Headquarters: ONALASKA, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Marine Corps League

    EIN 237216272 · Headquarters: Mt Pleasant, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Marine Corps League

    EIN 273398420 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Marine Corps League

    EIN 331168057 · Headquarters: Reedsburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Marine Corps League

    EIN 381596041 · Headquarters: Delafield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Marine Corps League

    EIN 391488303 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Marine Corps League

    EIN 391544773 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Marine Corps League

    EIN 391762891 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Marine Corps League

    EIN 391973824 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Marine Corps League

    EIN 396064951 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Marine Corps League

    EIN 396124762 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Marine Corps League

    EIN 470883297 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Marine Corps League

    EIN 475451454 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Marine Corps League

    EIN 510137332 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Marine Corps League

    EIN 542178241 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Marine Corps League

    EIN 611475284 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Marine Corps League

    EIN 611598973 · Headquarters: Columbus, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Marine Corps League

    EIN 770702928 · Headquarters: Delafield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Marine Corps League

    EIN 900603814 · Headquarters: Black River Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Marine Corps League

    EIN 990791108 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Marine Corps League

    EIN 992542840 · Headquarters: ARBOR VITAE, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Marine Corps League

    EIN 993226137 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Marine Corps League 348 Badger Detachment League

    EIN 993224425 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Marine Corps League National Headquarters

    EIN 821444455 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Marine Corps Leauge

    EIN 831931581 · Headquarters: Fort Atkinson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Mariners Club of Wisconsin

    EIN 454417600 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Marinette Catholic Central Foundation Inc

    EIN 510185414 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Marinette Chapter 1900 Women of the Moose

    EIN 391688448 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Marinette County Association for Business & Industry

    EIN 391651510 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  64. Marinette County Dairy Promotions Inc

    EIN 391730313 · Headquarters: CRIVITZ, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Marinette County Farm Bureau Cooperative

    EIN 396120447 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Marinette County Historical Society Incorporated

    EIN 391096715 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Marinette County Rea

    EIN 271699489 · Headquarters: Porterfield, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. Marinette County Snowmobile Atv Utv Alliance Inc

    EIN 415193035 · Headquarters: WAUSAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Marinette Education Association

    EIN 237086948 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Marinette Lodge No 2327 Loyal Order of Moose

    EIN 391601878 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Marinette Menominee Area Youth Hockey Association Inc

    EIN 391258690 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Marinette Paraprofessional Association

    EIN 391783775 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Marinette Secretaries Association

    EIN 391985839 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Marinette Travel Baseball Inc

    EIN 863316860 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. MarinetteMenominee Area Chamber of Commerce

    EIN 390451155 · Headquarters: Marinette, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Marion Area Historical Society Inc

    EIN 391659782 · Headquarters: Marion, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Marion Education Association

    EIN 237085890 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Marjorie H Mcfarland Charitable Trust Fund

    EIN 436313442 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Marjorie L Christiansen Foundation

    EIN 396037585 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Marjorie Siebert Aylen Foundation

    EIN 391707934 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Mark R Pryor Foundation

    EIN 411637603 · Headquarters: ONALASKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. Markesan District Education Association

    EIN 237079141 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Markesan Grand River Lions Club

    EIN 931491124 · Headquarters: MARKESAN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Markesan Historical Society

    EIN 391516503 · Headquarters: MARKESAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Marleys Mission of Hope Incorporated

    EIN 863837227 · Headquarters: Oconto, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Marquardt Memorial Manor Inc

    EIN 391126946 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Marquette Co Youth Organization Association

    EIN 396075812 · Headquarters: Montello, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Marquette County Atv Club

    EIN 274617775 · Headquarters: MONTELLO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Marquette County Farm Bureau Cooperative

    EIN 390752886 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Marquette County Hce

    EIN 510157383 · Headquarters: Endeavor, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Marquette County Historical Society Inc

    EIN 237037173 · Headquarters: Westfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Marquette County Senior Itizens Inc

    EIN 391385737 · Headquarters: Montello, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Marquette Delta Corporation

    EIN 510163709 · Headquarters: HARTLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Marquette Nrotc Seapower Leadership Association Inc

    EIN 391248913 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Marquettte County Rea

    EIN 271697006 · Headquarters: Wautoma, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Marriage Encounter of Green Bay Inc

    EIN 391353284 · Headquarters: Coleman, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Marshall Education Association

    EIN 391439433 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Marshall Hoops

    EIN 462573278 · Headquarters: Marshall, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  99. Marshall Lions Club

    EIN 391435884 · Headquarters: MARSHALL, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  100. Marshfield Area Chamber of Commerce & Industry Inc

    EIN 391570585 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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