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. Seniors United for Nutrition Program Inc

    EIN 391340771 · Headquarters: DODGEVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Sensient Technologies Foundation Inc

    EIN 396044488 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Serb National Federation

    EIN 521498496 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Serb National Federation

    EIN 521498502 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Serendipity Country Club Inc

    EIN 460509897 · Headquarters: VIROQUA, WI, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  6. Serenity Club Inc

    EIN 392062942 · Headquarters: SUPERIOR, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Serra Club of Milwaukee

    EIN 390741768 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Service Club of Milwaukee Inc

    EIN 396027058 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  9. Service Club of the City of Sheboygan

    EIN 396060469 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Service Employees' International Union Local 152

    EIN 390939764 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Service Employees' International Union Wisconsin State Council

    EIN 391747821 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Service League

    EIN 391423250 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Service League of Green Bay Inc

    EIN 396076935 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Service League of Manitowoc County Inc

    EIN 396076653 · Headquarters: Manitiwoc, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  15. Seton Children's School Inc

    EIN 391391245 · Headquarters: GLENDALE, WI, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990

  16. Sevastopol Education Association

    EIN 237086957 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Sevastopol Education Support Personnel Association

    EIN 200299648 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Sevastopol Historical Society

    EIN 611660326 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Seven Rivers Hospice Home Inc

    EIN 843739567 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Seven Sorrows of Our Sorrowful Mother Infants Home Inc

    EIN 237275338 · Headquarters: Necedah, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Seventh Day Baptist Memorial Fund Inc

    EIN 392027659 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  22. Seymour Community Historical Society

    EIN 391235870 · Headquarters: SEYMOUR, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Seymour Education Association

    EIN 391683899 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Seymour Fastpitch Association Inc

    EIN 392041327 · Headquarters: SEYMOUR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Seymour Fire Fighters Inc Volunteer Strife Company 1

    EIN 391386419 · Headquarters: SEYMOUR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Sf Milwaukee Marketing Group Inc

    EIN 271341728 · Headquarters: HARTLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  27. Sfo Fighting Als

    EIN 465360134 · Headquarters: Whitewater, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Shalem Healing Inc

    EIN 453175240 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Shallow Scholarship Foundation

    EIN 391336290 · Headquarters: WAUSAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Shamrock Club of Wisconsin Dane County

    EIN 391439351 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Share and Care

    EIN 391660275 · Headquarters: WISCONSIN RAPIDS, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Sharecare Outreach International

    EIN 264083263 · Headquarters: ELKHORN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Shared Magnetic Resonance Imaging Facility Inc

    EIN 391534744 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Sharing Tree Incorporated

    EIN 812899857 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sharon Drift Skippers

    EIN 272367546 · Headquarters: Sharon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sharon Education Association

    EIN 391942813 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Sharpening Arrows Unincorporated Association

    EIN 863890575 · Headquarters: New Glarus, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Shawano Area Christian Home Educators

    EIN 461430395 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Shawano Area Food Center Inc

    EIN 273672510 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Shawano Area Officials Association

    EIN 471927593 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Shawano County 4-H Livestock

    EIN 261366963 · Headquarters: Shawano, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Shawano County Area Rta

    EIN 271697167 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Shawano County Dairy Promotion Inc

    EIN 391478601 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Shawano County Farm Bureau

    EIN 390825343 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Shawano County Hce

    EIN 391272092 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Shawano County Historical Society Inc

    EIN 237222161 · Headquarters: SHAWANO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Shawano County Literacy Council

    EIN 391755362 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Shawano County Oyf & Friends of Ag

    EIN 465353897 · Headquarters: Pulaski, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Shawano Education Association

    EIN 237088256 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Shawano Education Support Professionals

    EIN 391931830 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Shawano Employers Child Care Corporation

    EIN 391794632 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. Shawano Lake Lioness Club

    EIN 811122225 · Headquarters: SHAWANO, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Shawnee Cemetery Association

    EIN 390830457 · Headquarters: Shullsburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Sheboygan Area Great Lakes Sport Fishermen

    EIN 391429875 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Sheboygan Astronomical Society Inc

    EIN 391829355 · Headquarters: Kohler, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Sheboygan Blue Line Association Inc

    EIN 930835417 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Sheboygan Building Trades Labor Hall Association Inc

    EIN 396054075 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Sheboygan Commandrey Number 32

    EIN 352408252 · Headquarters: New Holstein, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sheboygan Council 38 R & Sm

    EIN 460533191 · Headquarters: New Holstein, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Sheboygan Country Club

    EIN 390610580 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Sheboygan County Amateur Radio Club Inc

    EIN 391210956 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Sheboygan County Area Rta

    EIN 271707166 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Sheboygan County Chamber of Commerce Inc

    EIN 390610430 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Sheboygan County Dairy Promotion

    EIN 391464247 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Sheboygan County Economic Development Corporation

    EIN 391487364 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sheboygan County Farm Bureau Cooperative

    EIN 390817323 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Sheboygan County Hce

    EIN 391279121 · Headquarters: Howards Grove, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Sheboygan County Historical Research Centerinc

    EIN 391550801 · Headquarters: Sheboygan Falls, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sheboygan County Historical Society

    EIN 396076921 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Sheboygan County Home Builders Association

    EIN 391546037 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Sheboygan County Medical Society

    EIN 300519900 · Headquarters: WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Sheboygan County Mobile Pantry Inc

    EIN 883185846 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Sheboygan County Motorcycle Club

    EIN 863245543 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sheboygan Dog Training Club Inc

    EIN 391403944 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Sheboygan Education Association

    EIN 391025076 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Sheboygan Falls Education Support Professionals

    EIN 391461149 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Sheboygan Falls Faculty Association

    EIN 237086040 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Sheboygan Falls High School Music Boosters Inc

    EIN 391381372 · Headquarters: Sheboygan Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Sheboygan Hog Chapter Inc

    EIN 853924462 · Headquarters: Kohler, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sheboygan Lakers Figure Skating Club

    EIN 301418449 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Sheboygan Lions Foundation Inc

    EIN 396076922 · Headquarters: SHEBOYGAN FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Sheboygan Lodge 438 Loyal Order of Moose Inc

    EIN 390438264 · Headquarters: Sheboygan, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Sheboygan Outboard Club

    EIN 391379065 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sheboygan Pigeon Flying Club

    EIN 396044521 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sheboygan Pine Club Inc

    EIN 391044814 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Sheboygan Pops Concert Band

    EIN 391643653 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sheboygan Rifle and Pistol Club Inc

    EIN 396066332 · Headquarters: KOHLER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Sheboygan Riverside Boat Club Inc

    EIN 833608645 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sheboygan Rotary Club

    EIN 390791325 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Sheboygan Rotary Club Foundation Inc

    EIN 396077288 · Headquarters: Sheboygan, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Sheboygan Service Foundation Inc

    EIN 391366285 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Sheboygan South High Booster Club

    EIN 391494149 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Sheboygan Turners Inc

    EIN 390610785 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Sheboygan Yacht Club

    EIN 390611073 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Sheboygan Youth Football Inc

    EIN 391590777 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Sheboygan Youth Sailing Club Inc

    EIN 391645707 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Sheet Metal and Air Conditioning Contractors Assn of Wisconsin Inc

    EIN 390611132 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sheet Metal Contractors of Milwaukee

    EIN 396048140 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Sheet Metal Contractors of Southeastern Wisconsin

    EIN 396536103 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Sheldon Rough Riders Snowmobile Club

    EIN 391459412 · Headquarters: Sheldon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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