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. North Wood County Historical Society

    EIN 396078622 · Headquarters: Marshfield, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Northcentral Educational Support Personnel Association

    EIN 391781220 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Northcentral Employers Healthcare Alliance

    EIN 391890306 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Northcentral Technical College Faculty Association

    EIN 391290862 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Northcentral Technical College Foundation Inc

    EIN 391266481 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Northcross Community Church

    EIN 454897225 · Headquarters: Rice Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  7. Northeast Wisconsin Alliance

    EIN 271667182 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  8. Northeast Wisconsin Austrailian Shepherd Club

    EIN 991563907 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Northeast Wisconsin Beat the Heat Corp

    EIN 391815348 · Headquarters: SUAMICO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Northeast Wisconsin Beef Producers Cooperative

    EIN 396048257 · Headquarters: Gillett, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Northeast Wisconsin Intertype Libraries Inc

    EIN 237320032 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. Northeast Wisconsin Karting Assoc Llc

    EIN 391996184 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  13. Northeast Wisconsin Spaniel Club Inc

    EIN 391338583 · Headquarters: Nashotah, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Northeast Wisconsin Stargazers Newstar

    EIN 391572837 · Headquarters: Sherwoood, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Northeast Wisconsin Technical College Ed Support Specialist

    EIN 391412168 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Northeast Wisconsin Technical College Education Foundation Inc

    EIN 237069405 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Northeast Wisconsin Technical College-faculty Association

    EIN 264731748 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. Northeastern WI Antique Power Assn

    EIN 391489582 · Headquarters: Brussels, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Northeastern Wisconsin Audubon Society Inc

    EIN 237437037 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Northeastern Wisconsin Dance Organization Inc

    EIN 237280652 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Northeastern Wisconsin Master Gardeners Association Incorporated

    EIN 391575509 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Northeastern Wisconsin Sports Advancement Inc

    EIN 391708676 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Northeastern Wisconsin Talent Education Inc

    EIN 391325839 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Northern Cross Science Foundation Inc

    EIN 237404251 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Northern Door Activism Corporation

    EIN 392447353 · Headquarters: Sister Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Northern Door Soccer Scholarship

    EIN 464592422 · Headquarters: Fish Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  27. Northern Door Volleyball Association Incorporated

    EIN 391693580 · Headquarters: Fish Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Northern Educational Support Team

    EIN 262814775 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Northern Grace Youth Camp Inc

    EIN 391031012 · Headquarters: GILLETT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Northern Great Lakes Golf Course Superintendents Association

    EIN 391794324 · Headquarters: Minocqua, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Northern Illinois Arabian Horse Activity Club

    EIN 362784703 · Headquarters: WHITEWATER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Northern Illinois Brace Club Inc

    EIN 812595941 · Headquarters: Neshkoro, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Northern Kettle Moraine Crooked Trails Snowmobile Club Inc

    EIN 391351586 · Headquarters: Cascade, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Northern Laboratories Employee Association

    EIN 391473635 · Headquarters: MANITOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Northern Lakes Arches Ltd

    EIN 384275522 · Headquarters: Townsend, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Northern Lakes Chapter of the Wisconsin Society of Land Surveyor

    EIN 881920742 · Headquarters: ARBOR VITAE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Northern Lights Snowmobile Club Inc

    EIN 272273656 · Headquarters: Three Lakes, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Northern Ozaukee Schools Scholarship Foundation Inc

    EIN 391608462 · Headquarters: Fredonia, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Northern School District Tr Nsdt

    EIN 391500407 · Headquarters: Ashland, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Northern Wisconsin Decortive Artist

    EIN 454674569 · Headquarters: Eagle River, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. Northern Wisconsin Volkswagen Club

    EIN 392013014 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. Northfield Apartments of Duluth Inc

    EIN 392044317 · Headquarters: Superior, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. NorthLakes Community Clinic

    EIN 352297925 · Headquarters: Iron River, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Northland Area Builders Association Inc

    EIN 391749276 · Headquarters: HAYWARD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Northland Badger Cobbers Clan 131

    EIN 391713688 · Headquarters: Durand, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Northland College Student Associati

    EIN 391138375 · Headquarters: ASHLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Northland Lutheran Retirement Community Inc

    EIN 391637677 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Northland Lutheran Retirement Community, Inc

    EIN 390859107 · Headquarters: Marinette, WI, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Northland Lutheran Retirement Community, Inc

    EIN 391302221 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Northland Lutheran Retirement Community, Inc

    EIN 391644145 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Northland Mission Inc

    EIN 390977529 · Headquarters: Dunbar, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Northland Pines Education Association

    EIN 391435764 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Northland Terrace Estates Inc

    EIN 391564355 · Headquarters: MARINETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Northport Apartments Corporation

    EIN 391043639 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Northside Community Church Inc

    EIN 471472823 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  56. Northstar Middle School Ptsa

    EIN 391824508 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Northwest Regional Builders Exchange

    EIN 390865065 · Headquarters: ALTOONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Northwest Trails Association

    EIN 391267765 · Headquarters: Solon Springs, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Northwest Valley Wi Rea

    EIN 271728090 · Headquarters: Verona, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Northwest Wi Whitetail

    EIN 391707928 · Headquarters: Spooner, WI, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  61. Northwood Education Association

    EIN 237079142 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Northwood Technical College Foundation Inc

    EIN 391313438 · Headquarters: RICE LAKE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Northwoods Alliance Incorporated

    EIN 364326101 · Headquarters: CONOVER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Northwoods Blizzard Blast Incorporated

    EIN 472086742 · Headquarters: Conover, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Northwoods Boulder Lake Sno-goers Inc

    EIN 391588810 · Headquarters: White Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Northwoods Christian Academy Inc

    EIN 391737776 · Headquarters: Hurley, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Northwoods Community Assistance Coalition

    EIN 934760978 · Headquarters: Lakewood, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Northwoods Explorers 4-H Club

    EIN 933219037 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Northwoods Freedom Project Inc

    EIN 881820273 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Northwoods Homeschool Coop

    EIN 994529226 · Headquarters: Woodruff, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Northwoods Living Care Foundation Inc

    EIN 391248656 · Headquarters: Phelps, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Northwoods Painting Pals

    EIN 463413312 · Headquarters: Park Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Northwoods Passage Snowmobile Club Inc

    EIN 391448786 · Headquarters: TOMAHAWK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Northwoods Players Ltd

    EIN 391376946 · Headquarters: Phillips, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Northwoods Region Shelby American

    EIN 391563350 · Headquarters: ELKHART LAKE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Northwoods Restorative Justice Inc

    EIN 412218408 · Headquarters: WOODRUFF, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Northwoods Riders Snowmobile Club Inc

    EIN 824683663 · Headquarters: Tomahawk, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Northwoods Village Inc

    EIN 843519354 · Headquarters: Superior, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Norwalk-ontario-wilton Education Association

    EIN 237084556 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Nose Lake - Lake Association

    EIN 393127099 · Headquarters: Columbus, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Nosotros Inc

    EIN 422392988 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Notre Dame of De Pere

    EIN 843667194 · Headquarters: De Pere, WI, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. NOVA-MBA Association

    EIN 134184218 · Headquarters: Greendale, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Npo Uni Llc

    EIN 651316314 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Nue Amery

    EIN 391634653 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Nue-amery Education Support Professionals

    EIN 371568532 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Nue-barron

    EIN 391649708 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Nue-barron Education Support Professionals

    EIN 900393691 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Nue-barron Police Association

    EIN 421765628 · Headquarters: RICE LAKE, WI, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  90. Nue-birchwood

    EIN 223969294 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Nue-birchwood Education Support Professionals

    EIN 262788585 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Nue-bloomer Education Support Professionals

    EIN 262788640 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Nue-bruce

    EIN 262788691 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Nue-bruce Education Support Professionals

    EIN 262795699 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Nue-cameron

    EIN 205946157 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Nue-cameron Education Support Professionals

    EIN 262788741 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Nue-cesa 10 Education Support Professionals

    EIN 262795737 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Nue-cesa 11 Education Support Professionals

    EIN 262795801 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Nue-chetek

    EIN 262788783 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Nue-chetek Education Support Professionals

    EIN 262788825 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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