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. Samuel D & Virginia B Saffro Charitabl E Tr C/o Guaranty Bank Douglas Levy

    EIN 396755670 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Samuel I & John Henry Fox Foundation

    EIN 956010288 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Sanctuary Outreach Ministries Inc

    EIN 391314544 · Headquarters: Whitewater, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Sand Hill Booster Club Inc

    EIN 396058963 · Headquarters: Muskego, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Sand Lake Association Inc

    EIN 391965959 · Headquarters: New Auburn, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Sand Lake Elementary Ptg

    EIN 422593404 · Headquarters: HOLMEN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sand Pit Fishing Club Inc

    EIN 391165463 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Sanger Foundation Inc

    EIN 363754638 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Santa Fe Communications Inc

    EIN 391420941 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Saratoga Atv & Utv Riders Club Inc

    EIN 465133081 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sasc Inc

    EIN 262512451 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Sasy Business Development Association Sasy Bda

    EIN 843785818 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Saturday Step Group

    EIN 473433717 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Sauk City Cemetery Association

    EIN 390889180 · Headquarters: PRAIRIE DU SAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Sauk Columbia Shrm

    EIN 470895444 · Headquarters: Wisconsin Dells, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Sauk County 40 Et 8

    EIN 392032369 · Headquarters: BARABOO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Sauk County Agricultural Society

    EIN 390833316 · Headquarters: BARABOO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Sauk County Chapter Inc of Wisconsin Right to Life Inc

    EIN 391764235 · Headquarters: REEDSBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sauk County Childrens Giving Tree Inc

    EIN 391830936 · Headquarters: Baraboo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sauk County Dairy Education

    EIN 391658029 · Headquarters: Prairie du Sac, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Sauk County Development Corporation

    EIN 396275386 · Headquarters: BARABOO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Sauk County Farm Bureau Cooperative

    EIN 390741938 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Sauk County Rea

    EIN 271706706 · Headquarters: Baraboo, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Sauk Prairie Area Chamber of Commerce Inc

    EIN 391438368 · Headquarters: SAUK CITY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Sauk Prairie Area Food Pantry Inc

    EIN 391608034 · Headquarters: SAUK CITY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Sauk Prairie Education Association

    EIN 237300352 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Sauk Prairie Ffa Alumni

    EIN 391599966 · Headquarters: PRAIRIE DU SAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  28. Sauk Prairie Healthcare Foundation Ltd

    EIN 930841113 · Headquarters: PRAIRIE DU SAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Sauk Prairie Nursery Center Inc

    EIN 391763005 · Headquarters: PRAIRIE DU SAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Sauk Prairie Rebels Baseball

    EIN 831700044 · Headquarters: Sauk City, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Sauk Prairie United Way

    EIN 391318028 · Headquarters: PRAIRIE DU SAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Sauk Prairie Wrestling Club

    EIN 391699697 · Headquarters: Lodi, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Sauk Ridge Runners Inc

    EIN 113665491 · Headquarters: LA VALLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Sauk Trail Conservation Club Inc

    EIN 391714830 · Headquarters: CEDAR GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Sauk-prairie Eaa Chapter 1317

    EIN 392015917 · Headquarters: Sauk City, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Saukville Area Historical Society Inc

    EIN 391646182 · Headquarters: Saukville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Saukville Chamber of Commerce Inc

    EIN 391509522 · Headquarters: Saukville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Saukville Chapter 1301 Women of the Moose

    EIN 237521653 · Headquarters: Saukville, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Saukville Lodge No 1043 Loyal Order of Moose

    EIN 237143467 · Headquarters: Saukville, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Saukville Rifle & Pistol Club Inc

    EIN 396175778 · Headquarters: SAUKVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Savannah Village Social Club

    EIN 562512085 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Save Our Nation Action

    EIN 854237044 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Savier Washburn Memorial Fund

    EIN 936032872 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Sawdust City Tree Dodgers Inc

    EIN 391246490 · Headquarters: Waupaca, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Sawyer County Council

    EIN 753233107 · Headquarters: Winter, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Sawyer County Historical Society Inc

    EIN 391337657 · Headquarters: HAYWARD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Saylesville Education Association

    EIN 391800468 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Sayner St Germain Fish and Wildlife Club Inc

    EIN 391327984 · Headquarters: SAINT GERMAIN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Saynerstar Lake Chamber of Commerce Inc

    EIN 391276022 · Headquarters: SAYNER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Sbv Health Plan Trust

    EIN 396500860 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Sc Johnson & Son Inc Retiree Health Care Plan

    EIN 391869303 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Scamps Inc Attn Randy Anderson

    EIN 391371250 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  53. Scandinavia Alumni Association

    EIN 471200526 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Scandinavia Booster Club Inc

    EIN 391461561 · Headquarters: SCANDINAVIA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Scc Youth Baseball Association

    EIN 393410741 · Headquarters: HAMMOND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Scenic Rivers Energy Cooperative

    EIN 390314085 · Headquarters: LANCASTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Scenic Valley Emergency Medical Ser

    EIN 391255461 · Headquarters: COCHRANE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Scenic Valley Swimming Assn Inc

    EIN 391142126 · Headquarters: Cochrane, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Schilling Family Foundation

    EIN 816067894 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Schmitt Woodland Hills Inc

    EIN 391027374 · Headquarters: RICHLAND CENTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Schneekatzen Snowmobile Club Inc

    EIN 391148555 · Headquarters: Fredonia, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Schneider National Foundation Inc

    EIN 391457870 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Schoenleber Foundation Inc

    EIN 391049364 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. School Nutrition Association of Wisconsin Inc

    EIN 396109421 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. School Professionals and Employees Association of Kenosha County

    EIN 800280444 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Schools Make Madison Advocates Inc

    EIN 844623570 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Schorer Foundation Inc

    EIN 396085473 · Headquarters: REEDSBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Schreiber Foods Foundation Inc

    EIN 872288081 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Schubert Club of Kenosha

    EIN 237167915 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Schumacher for Vibrant Schools

    EIN 464621708 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Schwaben Maennerchor Schwabenhof

    EIN 396078033 · Headquarters: St Francis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Schweider Eliz Scholarship Tuw Village of Waldo Trustee

    EIN 396525484 · Headquarters: WALDO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Scoliosis Research Society

    EIN 237181863 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Score Scholarship Fund

    EIN 334824975 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Scott Dean Memorial Fund

    EIN 465023354 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  76. Scott Kruse Memorial Fund

    EIN 472768463 · Headquarters: Kewaunee, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Scott Perkins for Sheriff

    EIN 464429373 · Headquarters: Sparta, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Scottish Festivals Inc

    EIN 391575308 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Scouting Friends of Hales Corners Lutheran Church

    EIN 814271874 · Headquarters: Hales Corners, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Se Price Co Atv Utv Club

    EIN 462477592 · Headquarters: Prentice, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Second Chapter Inc

    EIN 462034827 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Second Wind Network Corporation

    EIN 991062266 · Headquarters: Cedarburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Section School Parent Teacher Group

    EIN 391420535 · Headquarters: Mukwonago, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Security Health Plan

    EIN 391572880 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Seddon Utd Meth Endowment Fd Tr

    EIN 616088846 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  86. Seeds of Health Inc

    EIN 930843605 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Seiu Healthcare Wisconsin

    EIN 271213224 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Seiu Wisconsin Healthcare and and Service Workers Stronger Together

    EIN 921475071 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. Seminole Pool Association Inc

    EIN 391582652 · Headquarters: Fitchburg, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Send Health Inc

    EIN 472193336 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Seneca Council of Auxilary Personnel

    EIN 262781815 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Seneca Education Association

    EIN 237108600 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Senior Citizen Center of the Marinette Area Inc

    EIN 391290648 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Senior Citizens Club of Minong

    EIN 264018197 · Headquarters: Minong, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  95. Senior Club of St Anthonys Congregation

    EIN 800340585 · Headquarters: Menomonee Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  96. Senior Eagle River Volunteer Enterp

    EIN 391413605 · Headquarters: Eagle River, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Senior Golf Association of Wisconsin Inc

    EIN 237122253 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Senior Golfers Traveling League

    EIN 473096105 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Senior Homes Inc

    EIN 237066357 · Headquarters: Pulaski, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  100. Seniors Foundation Inc

    EIN 550874776 · Headquarters: Kenosha, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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