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. Washburn Fund Inc

    EIN 390833989 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Washington Cemetery Association

    EIN 391032301 · Headquarters: JUDA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Washington County Association of Snowmobile Clubs Inc

    EIN 391642925 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Washington County Dairy Promotion C

    EIN 391663348 · Headquarters: Slinger, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Washington County Farm Bureau Cooperative

    EIN 391088612 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Washington County Fire Chiefs Association Inc

    EIN 391319135 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Washington County Hce

    EIN 391465522 · Headquarters: Slinger, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Washington County Medical Society

    EIN 391829360 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Washington County Rea

    EIN 271727580 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Washington Island Community Health Program

    EIN 900439149 · Headquarters: WASHINGTON ISLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Washington Island Concert Band Ua

    EIN 822197099 · Headquarters: Washington Island, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Washington Island Education Association

    EIN 391517610 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Washington Island Electric Cooperative

    EIN 390688605 · Headquarters: WASHINGTON IS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Washington Island Farm Museum Inc

    EIN 391623453 · Headquarters: Washington Island, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Washington Island Lions Club

    EIN 993407221 · Headquarters: Washington Island, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Washington Island Sportsman and Conservation Club Inc

    EIN 391501344 · Headquarters: Washington Island, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Washington Town Mutual Insurance Co C/o Homestead Mutual Insurance Co

    EIN 390491630 · Headquarters: NEENAH, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Washington-caldwell Education Association

    EIN 391544467 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Waterbird Society

    EIN 222415111 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Waterfest Inc

    EIN 391763649 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Waterford Area Chamber of Commerce Inc

    EIN 391444679 · Headquarters: Waterford, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Waterford Elementary Education Association

    EIN 237079145 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Waterford Evergreen Elementary School PTO Co

    EIN 843291389 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Waterford Ffa Alumni

    EIN 471293727 · Headquarters: Waterford, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Waterford High School Custodians

    EIN 753129435 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Waterford High School Teachers Association

    EIN 237098434 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Waterford Tennis Association

    EIN 800506049 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Waterford Wave Volleyball Club

    EIN 813673818 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Waterford Wolverine Band Boosters

    EIN 332092946 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Waterford Wolverine Football Parents Association Inc

    EIN 923362539 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Waterford Woods Property Owners Association

    EIN 391047061 · Headquarters: Waterford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Waterfront Boathouse Inc

    EIN 993616131 · Headquarters: Beaver Dam, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Waterloo Area Historical Society Inc

    EIN 391274697 · Headquarters: Waterloo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Waterloo Association of Support Staff Personnel

    EIN 262904831 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Waterloo Education Association

    EIN 237080945 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Waterloo Gun Club Inc

    EIN 391364026 · Headquarters: Waterloo, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Waterloo Snowmobile Club Inc 442 Edison St

    EIN 391285556 · Headquarters: Waterloo, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Watertown Amateur Radio Club Ua

    EIN 262537299 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Watertown Aquatic Team Inc

    EIN 391365838 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Watertown Area Chamber of Commerce

    EIN 390689225 · Headquarters: Watertown, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Watertown Arts Council Inc

    EIN 396107063 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Watertown Chapter 34 Women of the Moose

    EIN 930769391 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Watertown Family Aid Association Inc

    EIN 390816896 · Headquarters: WATERTOWN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Watertown Food Pantry

    EIN 391516698 · Headquarters: Watertown, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Watertown School Clerical Supportive Staff

    EIN 391971200 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Watertown School Nutritional Support Staff

    EIN 392038068 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Watertown School Support Staff

    EIN 043723371 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Watertown Snowmobile Association Inc

    EIN 237181941 · Headquarters: Watertown, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. Watertown Special Education Paraprofessionals

    EIN 262708162 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Watertown-beaver Dam Wi Lodge No 0666

    EIN 237130184 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Waubeka Volunteer Fire Department

    EIN 396057320 · Headquarters: WAUBEKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Waukau Cemetery Association

    EIN 396063890 · Headquarters: OMRO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Waukesha Choral Union

    EIN 391344331 · Headquarters: WAUKESHA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Waukesha County Bar Association Inc

    EIN 391332819 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Waukesha County Business Alliance Inc

    EIN 390689805 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Waukesha County Dairy Promotion Committee Inc

    EIN 391730334 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Waukesha County Educational Support Professionals Wcesp

    EIN 204413187 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Waukesha County Estate Planning Council Ltd

    EIN 391362962 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Waukesha County Farm Bureau Cooperative

    EIN 390821877 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Waukesha County Genealogical Society

    EIN 391570152 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Waukesha County Historical Society & Museum Inc

    EIN 396056461 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Waukesha County Holstein Breeders Association

    EIN 396059129 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Waukesha County Medical Society

    EIN 261990358 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Waukesha County Retired Educators Association

    EIN 710883194 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Waukesha County Technical Educators Assn

    EIN 391232897 · Headquarters: Pewaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Waukesha County Youth Hockey Association

    EIN 237289253 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Waukesha Creative Arts League

    EIN 510182832 · Headquarters: WAUKESHA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Waukesha Engineering Scholarship Fund Inc

    EIN 391342487 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Waukesha Free Clinic Inc

    EIN 391273248 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Waukesha Kiwanis Foundation Inc

    EIN 390980077 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Waukesha Olde Car Club Inc

    EIN 391469036 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Waukesha Pewaukee Convention & Visitors Bureau Inc

    EIN 391936402 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Waukesha Police K9 Foundation Inc

    EIN 873443424 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Waukesha Professional Police Assoc Inc Local 17

    EIN 391829917 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Waukesha Sunrise Rotary Club Charitable Fund Inc

    EIN 391519302 · Headquarters: Pewaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Waukesha Tennis Association Inc

    EIN 391251576 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Waumandee Rod and Gun Club Incorporated

    EIN 391165354 · Headquarters: Cochrane, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Waumandee-Montana-lincoln Emergency Services

    EIN 332563993 · Headquarters: Waumandee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Waunakee Area Education Foundation Inc

    EIN 391617660 · Headquarters: WAUNAKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Waunakee Girls Youth Lacrosse Club Inc

    EIN 423463468 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Waunakee High School Girls Swim Boosters

    EIN 800588354 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Waunakee Recreational League

    EIN 810556325 · Headquarters: waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  83. Waunakee Rotary Club

    EIN 510157751 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Waunakee Rotary Foundation Inc

    EIN 391513028 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Waunkee Teachers Association

    EIN 391653138 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Waunona Garden Club

    EIN 391292269 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Waupaca Aides & Secretaries Association

    EIN 364626075 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Waupaca Area Chamber of Commerce Inc

    EIN 390848243 · Headquarters: Waupaca, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Waupaca Area Good Samaritons

    EIN 392035175 · Headquarters: Waupaca, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. Waupaca Area Model Railroaders Limited

    EIN 391753997 · Headquarters: WAUPACA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Waupaca Baseball Organization

    EIN 391409010 · Headquarters: WAUPACA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Waupaca County Economic Development Corporation

    EIN 391807972 · Headquarters: New London, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Waupaca County Farm Bureau Cooperative

    EIN 390777852 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Waupaca County Snowmobile Association Inc

    EIN 391255428 · Headquarters: Manawa, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Waupaca Fine Arts Festival Incorporated

    EIN 391267113 · Headquarters: Waupaca, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Waupaca High School Bowling Club

    EIN 473689647 · Headquarters: Waupaca, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  97. Waupaca Public Library Foundation Inc

    EIN 391656437 · Headquarters: Waupaca, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Waupaca Teachers Association

    EIN 237106914 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Waupaca Thrift Ltd

    EIN 391491058 · Headquarters: Waupaca, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Waupun Area Chamber of Commerce Inc

    EIN 390690445 · Headquarters: WAUPUN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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