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 Onsite Water Recycling Association Inc

    EIN 391514070 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Wisconsin Optometric Association

    EIN 390840526 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Wisconsin Paint and Coatings Assoc

    EIN 391350330 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Wisconsin Paper Council

    EIN 390823750 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Wisconsin Parents Association Incorporated

    EIN 391712706 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Wisconsin Parents Coalition for the Retarded Inc

    EIN 391563806 · Headquarters: Hartford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Wisconsin Park and Recreation Association Incorporated

    EIN 237110350 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Wisconsin Parkinson Association Inc

    EIN 391492810 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Wisconsin Pay Telephone Assoc Inc

    EIN 391849923 · Headquarters: BROOKFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  10. Wisconsin Perfusion Society

    EIN 391759901 · Headquarters: Big Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Wisconsin Philanthropy Network Inc

    EIN 396236498 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Wisconsin Pipe Trades Association

    EIN 391606922 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Wisconsin Pipe Trades Health Fund

    EIN 390852117 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Wisconsin Police Leadership Foundation Inc

    EIN 391807356 · Headquarters: POPLAR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Wisconsin Pork Association Cooperative

    EIN 391095331 · Headquarters: LANCASTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Wisconsin Potato & Vegetable Growers Association Inc

    EIN 390777398 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Wisconsin Potato Growers Auxiliary Inc

    EIN 391410749 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Wisconsin Potato Industry Board Inc

    EIN 391652200 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Wisconsin Power & Light Non-Bargaining Employee Health and Welfare Benefit Trust

    EIN 391409013 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Wisconsin Precast Concrete Association Inc

    EIN 391692115 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Wisconsin Primary Health Care Association Inc

    EIN 391407034 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Wisconsin Professional Police Assoc Iation Local 239

    EIN 391811424 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Wisconsin Propane Gas Association Inc

    EIN 363059485 · Headquarters: POYNETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Wisconsin Psychiatric Association Incorporated

    EIN 237344660 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Wisconsin Psychoanalytic Foundation

    EIN 391377923 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Wisconsin Psychoanalytic Society

    EIN 300517881 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Wisconsin Psychological Association Inc

    EIN 396074670 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Wisconsin Public Education Action Fund Inc

    EIN 873954281 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Wisconsin Public Employer Labor Relations Association Inc

    EIN 391501374 · Headquarters: Deerfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Wisconsin Public Health Association Inc

    EIN 396084243 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Wisconsin Radiological Society Inc

    EIN 391594846 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Wisconsin Rapids Area Habitat for Humanity Inc

    EIN 391770592 · Headquarters: WISCONSIN RAPIDS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Wisconsin Rapids Area Rea

    EIN 271697692 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Wisconsin Rapids Business and Professional Womens Club

    EIN 396280622 · Headquarters: WISC RAPIDS, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Wisconsin Rapids Family Center Inc

    EIN 391451595 · Headquarters: WISCONSIN RAPIDS, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Wisconsin Rapids Kennel Club Inc

    EIN 391398722 · Headquarters: WISCONSIN RAPIDS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wisconsin Rapids Professional Policemens Association Inc

    EIN 391355298 · Headquarters: WISCONSIN RAPIDS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Wisconsin Rapids Teachers Assoc

    EIN 237084195 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Wisconsin Ready Mixed Concrete Association Inc

    EIN 390917057 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Wisconsin Real Estate Investors

    EIN 391201766 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Wisconsin Realtors Association

    EIN 900313889 · Headquarters: Necedah, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  42. Wisconsin Realtors Association Inc

    EIN 390782674 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Wisconsin Realtors Foundation Inc

    EIN 510195146 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Wisconsin Region Classic Car Club

    EIN 391946160 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Wisconsin Region of the Model a Restorers Club Incorporated

    EIN 391084334 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Wisconsin Region-vintage Chevrolet Club of America Inc

    EIN 391697181 · Headquarters: Cedarburg, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. Wisconsin Register of Deeds Assn

    EIN 472044137 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Wisconsin Representatives of Activity Professionals

    EIN 391501229 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Wisconsin Reproductive Health Network Inc

    EIN 271044500 · Headquarters: Park Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Wisconsin Restaurant Association Education Foundation Inc

    EIN 391557486 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Wisconsin Restaurant Association Inc

    EIN 390715690 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Wisconsin Retail Merchants Association Inc

    EIN 462176348 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. Wisconsin Retired Educators Association Inc

    EIN 396081788 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Wisconsin Retirement Plan Professionals Ltd

    EIN 237051510 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Wisconsin Right to Life Dane County

    EIN 392002293 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. Wisconsin Right to Life Education Fund

    EIN 391548867 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Wisconsin Right to Life Inc

    EIN 391150264 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Wisconsin Right to Life Inc Calumet County

    EIN 391578016 · Headquarters: Hilbert, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Wisconsin River Rollers

    EIN 923806825 · Headquarters: RINGLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Wisconsin River Valley Mechanical Contractors Association Inc

    EIN 391404319 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wisconsin Road Knights Inc

    EIN 274250976 · Headquarters: WAUSAU, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Wisconsin Roofing Contractors Association Inc

    EIN 237416413 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Wisconsin Rottweiler and Working Dog Association Incorporated

    EIN 262977188 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Wisconsin Rowing Stewards of 1874 Inc

    EIN 202068534 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Wisconsin Rural Letter Carrier Auxilary

    EIN 391906231 · Headquarters: ORFORDVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Wisconsin Rural Letter Carriers Assoication

    EIN 237234705 · Headquarters: COLFAX, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Wisconsin Rural Opportunities Inc

    EIN 863160742 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  68. Wisconsin Rver Valley Racing Pigeon Club

    EIN 260478053 · Headquarters: Milladore, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Wisconsin Safety Patrols Inc

    EIN 237417646 · Headquarters: Mount Horeb, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Wisconsin School Attorneys Association

    EIN 237366266 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Wisconsin School Boards for Academic Excellence Inc

    EIN 995028354 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Wisconsin School Bus Association Inc

    EIN 391204976 · Headquarters: WISCONSIN DELLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Wisconsin School Counselor Association Inc

    EIN 260393127 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Wisconsin School of Professional Psychology Inc

    EIN 391319049 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Wisconsin School Psychologists Association

    EIN 391359749 · Headquarters: Wauwatosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Wisconsin Screenwriters Forum Inc

    EIN 391771021 · Headquarters: Mazomanie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Wisconsin Seasonal Residents Association Inc

    EIN 391793275 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Wisconsin Section of the Pga of America Inc

    EIN 391518426 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wisconsin Security Association Inc

    EIN 391631924 · Headquarters: GREENFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Wisconsin Senior Games Inc

    EIN 391704850 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Wisconsin Sheep Breeders Cooperative

    EIN 391327576 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Wisconsin Sheet Metal Workers Health and Benefit Fund

    EIN 351638874 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Wisconsin Sheriffs and Deputy Sheriffs Association Inc

    EIN 391258494 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Wisconsin Sigma Chapter of Sigma Alpha Epsilon

    EIN 461042401 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Wisconsin Sign Association Inc

    EIN 510179052 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Wisconsin Skeet Shooting Association Inc

    EIN 391854908 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Wisconsin Slovak Historical Society Inc

    EIN 391368132 · Headquarters: cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Wisconsin Soccer Association Inc

    EIN 391450967 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. Wisconsin Soceity of Enrolled Agents Inc

    EIN 391547060 · Headquarters: WESTBY, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Wisconsin Society Daughters of the American Revolution

    EIN 390871258 · Headquarters: BLOOMER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Wisconsin Society for Clinical Laboratory Science Scholarship Fund Inc

    EIN 396045198 · Headquarters: ST FRANCIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Wisconsin Society of Anesthesiologists Inc

    EIN 391087656 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Wisconsin Society of Cytology Inc State Laboratory of Hygiene

    EIN 391265167 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Wisconsin Society of Emergency Services Instructors Inc

    EIN 391549239 · Headquarters: Wausau, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Wisconsin Society of Land Surveyors

    EIN 391761516 · Headquarters: Rhinelander, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Wisconsin Society of Land Surveyors

    EIN 510141794 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Wisconsin Society of Oral and Maxillofacial Surgeons Inc

    EIN 391410118 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Wisconsin Society of Orthodontists

    EIN 396076428 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Wisconsin Society of Parenteral and Enteral Nutrition Wispen

    EIN 391557210 · Headquarters: MIDDLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Wisconsin Society of Pathologists Inc

    EIN 396091735 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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