Nonprofits in Wisconsin

Nonprofits in Wisconsin. Browse 46,682 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. Summerfest Foundation Inc

    EIN 452522052 · Headquarters: MILWAUKEE, WI, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990

  2. Summers Home

    EIN 842326471 · Headquarters: Cedarburg, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Summerstage of Delafield Inc

    EIN 204525936 · Headquarters: DELAFIELD, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Summit Apartments Inc

    EIN 391225718 · Headquarters: BARNEVELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  5. Summit Christian Academy Corp

    EIN 883005111 · Headquarters: Menomonie, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Summit Credit Union

    EIN 390230585 · Headquarters: MADISON, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Summit Educational Association Inc

    EIN 391763179 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Summit Elementary Parent Teacher Organization - Inc

    EIN 262578152 · Headquarters: La Crosse, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Summit Lake Association

    EIN 800448890 · Headquarters: Summit Lake, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Summit Park Neighborhood Company

    EIN 260570888 · Headquarters: MILWAUKEE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Summit Players Theatre

    EIN 475139071 · Headquarters: Milwaukee, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Summit School Pto

    EIN 800211608 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Summit View Parent Teacher Organization

    EIN 391734955 · Headquarters: Waukesha, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Sumnicht Family Foundation

    EIN 391537336 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Sumpter Hill Cemetery Association

    EIN 900612068 · Headquarters: SAUK CITY, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Sun Prairie Archery Booster Club Inc

    EIN 843485773 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Sun Prairie Area Community Band Inc

    EIN 391834879 · Headquarters: MADISON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Sun Prairie Area Schools Community Organization Incorporated

    EIN 992843392 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sun Prairie Basketball Backcourt Inc

    EIN 851052299 · Headquarters: SUN PRAIRIE, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Sun Prairie Business & Education Partnership Inc

    EIN 391719723 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Sun Prairie Cardinal Dance Team Booster Club Ua

    EIN 830532916 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Sun Prairie Cardinal Quarterback Club Inc

    EIN 391908964 · Headquarters: Sun Prairie, WI, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  23. Sun Prairie Cardinal Swimming Booster Club Inc

    EIN 452968292 · Headquarters: SUN PRAIRIE, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Sun Prairie Cardinal Tennis Booster Club Inc

    EIN 474827210 · Headquarters: DeForest, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Sun Prairie Cardinal Wrestling Booster Club Inc

    EIN 452275081 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. Sun Prairie Chamber Foundation Inc

    EIN 391876498 · Headquarters: Sun Prairie, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Sun Prairie Chamber of Commerce

    EIN 390747950 · Headquarters: SUN PRAIRIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Sun Prairie Civic Theatre Corp

    EIN 237102718 · Headquarters: SUN PRAIRIE, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Sun Prairie Community Garden Organization Inc

    EIN 611700907 · Headquarters: Sun Prairie, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Sun Prairie Community Schools Inc

    EIN 811469921 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Sun Prairie Dance Club

    EIN 821630255 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Sun Prairie East Girls Volleyball Booster Club

    EIN 922814330 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Sun Prairie East High School Cross Country Booster Club

    EIN 920344505 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Sun Prairie Education Association

    EIN 391475739 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Sun Prairie Education Foundation Inc

    EIN 371495162 · Headquarters: Sun Prairie, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Sun Prairie Emergency Food Pantry Inc

    EIN 391774841 · Headquarters: Sun Prairie, WI, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990

  37. Sun Prairie Excel Institute

    EIN 861896229 · Headquarters: Sun Prairie, WI, US · Crime & Legal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Sun Prairie Fire & Rescue Company

    EIN 824961946 · Headquarters: SUN PRAIRIE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990

  39. Sun Prairie High School Band Boosters Inc

    EIN 237314095 · Headquarters: Sun Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Sun Prairie High School Baseball Boosters

    EIN 455351858 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Sun Prairie High School Boys Soccer Booster Club

    EIN 842972684 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Sun Prairie High School Girls Soccer Booster Club Ua

    EIN 822085209 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Sun Prairie Historical Restorations Inc

    EIN 391252237 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Sun Prairie Hockey Booster Club Inc

    EIN 391409016 · Headquarters: Sun Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Sun Prairie Ice Inc

    EIN 462219989 · Headquarters: SUN PRAIRIE, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Sun Prairie Improvement Council Ltd

    EIN 392019207 · Headquarters: SUN PRAIRIE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990

  47. Sun Prairie Islamic Center

    EIN 991311057 · Headquarters: Sun Prairie, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Sun Prairie Lacrosse Boosters

    EIN 453777931 · Headquarters: SUN PRAIRIE, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Sun Prairie Lady Cardinal Softball Inc

    EIN 472512869 · Headquarters: SUN PRAIRIE, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sun Prairie Lions Foundation Inc

    EIN 273220018 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Sun Prairie Moves Inc

    EIN 831242765 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Sun Prairie Nursery School Inc

    EIN 391102858 · Headquarters: Sun Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Sun Prairie Parks Friends Inc

    EIN 854259669 · Headquarters: Sun Prairie, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Sun Prairie Public Library Foundation

    EIN 391988151 · Headquarters: Sun Prairie, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Sun Prairie Rage Womens Hockey Club

    EIN 460806754 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Sun Prairie Rotary Foundation Inc

    EIN 391781736 · Headquarters: SUN PRAIRIE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Sun Prairie Soccer Club Inc

    EIN 412267306 · Headquarters: SUN PRAIRIE, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Sun Prairie Sports Performance Inc

    EIN 932323981 · Headquarters: DEFOREST, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Sun Prairie Substitute Teachers Association

    EIN 391699805 · Headquarters: MADISON WI, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Sun Prairie Swim Inc Dba Storm Aquatics

    EIN 463385497 · Headquarters: Sun Prairie, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Sun Prairie Swim Team

    EIN 391695528 · Headquarters: Sun Prairie, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Sun Prairie Tamil Society Inc

    EIN 842772806 · Headquarters: Sun Prairie, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Sun Prairie Telugu Association Corp

    EIN 333072862 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Sun Prairie Tennis Association Inc

    EIN 264169850 · Headquarters: Stoughton, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sun Prairie United Cheerleading

    EIN 932968955 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sun Prairie Vol Fire Dept

    EIN 390757749 · Headquarters: Sun Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990

  67. Sun Prairie Volunteer Fire Department Inc

    EIN 300118715 · Headquarters: SUN PRAIRIE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Sun Prairie West Baseball Boosters

    EIN 921180429 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sun Prairie West Boys Volleyball Booster Inc

    EIN 933183963 · Headquarters: SUN PRAIRIE, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Sun Prairie West Girls Golf Inc

    EIN 883120969 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Sun Prairie West Golf Booster Club

    EIN 922928851 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sun Prairie West High School Boys Soccer Booster Club

    EIN 882669749 · Headquarters: Sun Prairie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sun Prairie West High School Cross Counrty Booster Club Inc

    EIN 883595069 · Headquarters: Sun Prairie, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sun Prairie West High School Girls Soccer Booster Inc

    EIN 882803476 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sun Prairie West High School Girls Swim Booster Inc

    EIN 883790608 · Headquarters: SUN PRAIRIE, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. Sun Prairie West High School Track and Field Booster Club

    EIN 922104367 · Headquarters: Sun Prairie, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sun Prairie West High School Volleyball Booster Inc

    EIN 882245247 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sun Prairie West Slam Dunk Den Inc

    EIN 883782957 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Sun Prairie West Touchdown Club

    EIN 881891918 · Headquarters: SUN PRAIRIE, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Sun Prairie West Wrestling Booster Club Inc

    EIN 993590399 · Headquarters: Sun Prairie, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sun Prairie Wrestling Booster Club Inc

    EIN 920455547 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Sun Prairie Youth Baseball & Softball

    EIN 930757506 · Headquarters: SUN PRAIRIE, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Sun Prairie Youth Basketball Association Inc

    EIN 392036174 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sun Prairie Youth Football Inc

    EIN 263945220 · Headquarters: SUN PRAIRIE, WI, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Sun Prairie Youth Hockey Association Inc

    EIN 391278983 · Headquarters: Sun Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Sun Prairie Youth Lacrosse Club Inc

    EIN 264051603 · Headquarters: Sun Prairie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sunbeam Childrens Foundation Inc

    EIN 391953460 · Headquarters: La Crosse, WI, US · Youth Development · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. Sunbeam Kids Inc

    EIN 463287085 · Headquarters: Brookfield, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sunbeam Station Preschool of Faith United Methodist Church Inc

    EIN 392012352 · Headquarters: Neenah, WI, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  90. Sunbear Squad Inc

    EIN 141932593 · Headquarters: LA CROSSE, WI, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Sunburst Foundation Inc

    EIN 510137924 · Headquarters: VERONA, WI, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  92. Sunburst Foundation Inc

    EIN 611950306 · Headquarters: SUN PRAIRIE, WI, US · Housing & Shelter · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Sunday Assembly Madison Inc

    EIN 471582033 · Headquarters: Madison, WI, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  94. Sundown Ministries Inc

    EIN 471303466 · Headquarters: BROOKFIELD, WI, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. Sundowners Snowmobilers Inc

    EIN 237211514 · Headquarters: Edgerton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Sunny Day Child Care&preschool Inc

    EIN 391140390 · Headquarters: WAUPACA, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Sunny Side Development Ltd

    EIN 825451776 · Headquarters: Madison, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Sunnys Way Home Dog Rescue

    EIN 831364442 · Headquarters: Shawano, WI, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Sunnyside Cemetery Association

    EIN 396091185 · Headquarters: Lannon, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Sunnyside Pto

    EIN 830399924 · Headquarters: PULASKI, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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