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. Wisconsin Geological Society

    EIN 391044168 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Wisconsin Golf Course Superintendents Association

    EIN 391550403 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Wisconsin Gourd Society

    EIN 030578098 · Headquarters: Theresa, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Wisconsin Grocers Association Education and Scholarship Foundation Inc

    EIN 391656091 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Wisconsin Grocers Association Inc

    EIN 900821535 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Wisconsin Guernsey Breeders Coop

    EIN 390821879 · Headquarters: Trempealeau, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Wisconsin Harvest Network Incorporated

    EIN 413151961 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Wisconsin Health and Physical Education Inc

    EIN 391248914 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Wisconsin Health Care Assoc Inc

    EIN 396125841 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Wisconsin Health Fund

    EIN 396063342 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Wisconsin Healthcare Engineering as Sociation Chapter 6 Inc

    EIN 611557348 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wisconsin Healthcare Engineering as Sociation Chapter Iv Inc

    EIN 320397500 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Wisconsin Healthcare Engineering Association

    EIN 391654755 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Wisconsin Healthcare Engineering Association Chapter 1 Inc

    EIN 352523576 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Wisconsin Hero Outdoors Inc

    EIN 823959113 · Headquarters: DELAFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Wisconsin Histology Society

    EIN 237417645 · Headquarters: Greendale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Wisconsin Historians Association

    EIN 391380009 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. Wisconsin Holstein Association Inc

    EIN 390821878 · Headquarters: BARABOO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Wisconsin Honey Producers Inc

    EIN 390872652 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Wisconsin Hops and Barley Co-op

    EIN 800370787 · Headquarters: Onalaska, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Wisconsin Horseshoe Pitchers Association

    EIN 391763638 · Headquarters: MILTON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Wisconsin Hosa Inc

    EIN 742571984 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wisconsin Hospital Association Inc

    EIN 390969552 · Headquarters: FITCHBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Wisconsin Hospital Public Relations Council Inc

    EIN 391358586 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Wisconsin Hotel & Lodging Association Inc

    EIN 396078094 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Wisconsin Housing Alliance Inc

    EIN 391250038 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Wisconsin Hunter & Jumper Association Inc

    EIN 391258936 · Headquarters: GREENVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  28. Wisconsin Hunter Education Instructor Association Inc

    EIN 391539717 · Headquarters: NEW BERLIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Wisconsin Industrial Sand Association Inc

    EIN 455179483 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Wisconsin Infusion Nursing Center

    EIN 821015631 · Headquarters: Port Washington, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  31. Wisconsin Innovation Awards Inc

    EIN 464564367 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Wisconsin Institute for International Legal Programs

    EIN 391444850 · Headquarters: MIDDLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Wisconsin Institute of Certified Public Accountants Inc

    EIN 237108098 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Wisconsin Insulation Advancement Fund Inc

    EIN 391311175 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Wisconsin Insulation Contractors Association Inc

    EIN 391311101 · Headquarters: DELAFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Wisconsin Insurance Alliance

    EIN 390714210 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Wisconsin Insurance Plan

    EIN 391125929 · Headquarters: SOUTH MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Wisconsin Interscholastic Cycling League

    EIN 880713181 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Wisconsin Jaguars Ltd

    EIN 391803403 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. Wisconsin Jail Association Inc

    EIN 391718503 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Wisconsin Jaycees Inc

    EIN 237013495 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Wisconsin Jaycees Inc

    EIN 391263703 · Headquarters: REEDSBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Wisconsin Jersey Breeders Association

    EIN 391679380 · Headquarters: LODI, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Wisconsin Jobs Now

    EIN 452043069 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  45. Wisconsin Jobs Partnership Inc

    EIN 472019343 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  46. Wisconsin Junior Angus Association

    EIN 272063515 · Headquarters: East Troy, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. Wisconsin Junior Classical League

    EIN 391589376 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Wisconsin Juvenile Court Intake Association

    EIN 391391413 · Headquarters: DODGEVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Wisconsin Kennel Club

    EIN 390923478 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  50. Wisconsin Labor History Society Inc

    EIN 391397777 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Wisconsin Laborers' District Council

    EIN 391142477 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Wisconsin Laborers' Health Fund

    EIN 237009055 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Wisconsin Lacrosse Federation Inc

    EIN 392042565 · Headquarters: Schofield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Wisconsin Land Information Association Inc

    EIN 391636543 · Headquarters: WILD ROSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Wisconsin Land Title Association Inc

    EIN 391161099 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Wisconsin Landscape Contractors Association Inc

    EIN 391623690 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Wisconsin Landscape Contractorsassn Metropolitan Milwaukee Chapter Inc

    EIN 391405939 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Wisconsin Law Enforcement Association Inc Local 1

    EIN 205921749 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  59. Wisconsin Law Enforcement Officers Association Inc

    EIN 391101214 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Wisconsin Law Foundation Inc

    EIN 396063515 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wisconsin Library Association Inc

    EIN 396064538 · Headquarters: MONONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Wisconsin Library Services Inc

    EIN 237222270 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wisconsin Lions Past District Governors Organization Inc

    EIN 822833999 · Headquarters: Rosholt, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Wisconsin Liquid Waste Carriers Association Incorporated

    EIN 391720791 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Wisconsin Literacy Inc

    EIN 391628898 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Wisconsin Livestock Breeders Association

    EIN 390821880 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Wisconsin Locally Owned Telephone Co

    EIN 391612943 · Headquarters: Strum, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wisconsin Lutheran College

    EIN 237179639 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wisconsin Lutheran Home Ministries Inc

    EIN 390968458 · Headquarters: RIVER FALLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Wisconsin Lutheran Leaders Fund Inc

    EIN 263435437 · Headquarters: Muskego, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Wisconsin Manufacturers and Commerce Inc

    EIN 391233219 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Wisconsin Marine Historical Society

    EIN 396077232 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Wisconsin Masonic Foundation

    EIN 396044637 · Headquarters: DOUSMAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Wisconsin Masonry Alliance Inc

    EIN 237372014 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Wisconsin Masons' Health Care Fund

    EIN 237422786 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Wisconsin Medical Society Alliance

    EIN 542139815 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  77. Wisconsin Medical Society Foundation Inc

    EIN 396045649 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Wisconsin Medical Society Inc

    EIN 390634758 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wisconsin Mid-state Two-cylinder Club Inc

    EIN 391757611 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wisconsin Milk Marketing Board Inc

    EIN 391455990 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Wisconsin Mint Board Inc

    EIN 391461278 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Wisconsin Model United Nations

    EIN 473930502 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Wisconsin Moose Association

    EIN 391154817 · Headquarters: Evansville, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Wisconsin Moose Legion No 31

    EIN 237519800 · Headquarters: PLEASANT PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Wisconsin Morgan Horse Club Inc

    EIN 391364212 · Headquarters: Westfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Wisconsin Mortgage Bankers Association Inc

    EIN 237377283 · Headquarters: COTTAGE GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Wisconsin Motor Carriers Association

    EIN 390714165 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Wisconsin Muck Farmers Association

    EIN 391349643 · Headquarters: Antigo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Wisconsin Municipal Clerks Association Incorporated

    EIN 391581756 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Wisconsin Municipal Mutual Insurance Co Veba

    EIN 836256586 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Wisconsin Muslim Civic Alliance Inc

    EIN 842546299 · Headquarters: Menomonee Falls, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  92. Wisconsin Myalgic Encephalomyelitis Chronic Fatigue Syndrome Assoc Inc

    EIN 391614649 · Headquarters: sun prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. Wisconsin National Guard Association Inc

    EIN 391501131 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Wisconsin Necaibew Joint Apprenticeship and Training Trust Agreement

    EIN 391777755 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Wisconsin Northern Lights Wits

    EIN 391931189 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  96. Wisconsin Nursery and Landscape Association Inc

    EIN 391522857 · Headquarters: Janesville, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Wisconsin Nurses Association Incorporated

    EIN 390716168 · Headquarters: STOUGHTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Wisconsin Nursing Home Social Workers Association Inc

    EIN 391472146 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. Wisconsin Occupational Therapy Association

    EIN 237152493 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Wisconsin Off-road Vehicle Park Inc

    EIN 454083568 · Headquarters: CRANDON, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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