Nonprofits in South Dakota

Nonprofits in South Dakota. Browse 9,038 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. Siphon Hill Water Association Inc

    EIN 271546243 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Sisseton Alumni Association Inc

    EIN 237445358 · Headquarters: SISSETON, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Sisseton Area Chamber of Commerce and Visitors Bureau

    EIN 460383462 · Headquarters: SISSETON, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  4. Sisseton Area Friends & Neighbors Club Inc

    EIN 208063017 · Headquarters: Sisseton, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Sisseton Area Ministerial Association

    EIN 872786232 · Headquarters: Sisseton, SD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sisseton Area Partners for Progress

    EIN 208383306 · Headquarters: Sisseton, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  7. Sisseton Arts Council Inc

    EIN 460395723 · Headquarters: SISSETON, SD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Sisseton Cemetery Assn

    EIN 460237536 · Headquarters: Sisseton, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sisseton City Cemetery Preservation Foundation

    EIN 994574926 · Headquarters: SISSETON, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Sisseton Economic Development Corporation

    EIN 363482696 · Headquarters: SISSETON, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Sisseton Highschool Trap Team

    EIN 833747580 · Headquarters: Sisseton, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Sisseton Senior Citizens Association Inc

    EIN 237225638 · Headquarters: SISSETON, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. Sisseton Swimming Pool Assoc Inc

    EIN 460367034 · Headquarters: SISSETON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Sisseton Usbc Wba

    EIN 204575514 · Headquarters: Sisseton, SD, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  15. Sisseton Youth Baseball Assoc Inc

    EIN 474693877 · Headquarters: SISSETON, SD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Sister Cities Assn of Sioux Falls

    EIN 460411673 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Sisterhood in Service

    EIN 994492830 · Headquarters: Wentworth, SD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Sisterhood Ministries Inc

    EIN 841888553 · Headquarters: MITCHELL, SD, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. Sisters of the Presentation of Blessed Virgin Mary

    EIN 460253283 · Headquarters: ABERDEEN, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  20. Sitting Bull Family Foundation Inc

    EIN 270158565 · Headquarters: Deadwood, SD, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. Sitting Bull Monument Foundation Inc

    EIN 710985971 · Headquarters: Mobridge, SD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Six Degrees Consortium

    EIN 462996970 · Headquarters: Sioux Falls, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sixth Circuit Court Appointed Special Advocate Program

    EIN 922848751 · Headquarters: PIERRE, SD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Sixth District Medical Society

    EIN 464316606 · Headquarters: SIOUX FALLS, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Siċaŋġu Co

    EIN 833857527 · Headquarters: Mission, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Skilled Workforce Advocacy Council

    EIN 472619541 · Headquarters: Rapid City, SD, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Skyline Condominium Association Inc

    EIN 991921986 · Headquarters: Aberdeen, SD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Skyline Drive Preservation Inc

    EIN 202145117 · Headquarters: Rapid City, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Slammers

    EIN 473326645 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  30. Slew Crew Ranch Rodeo

    EIN 862100475 · Headquarters: WILLOW LAKE, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Slim Buttes Riders Inc

    EIN 474684394 · Headquarters: PINE RIDGE, SD, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Smith-wright Post 120

    EIN 466006923 · Headquarters: isabel, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Smithwick Fire District

    EIN 811241152 · Headquarters: Smithwick, SD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Smithwick Preservation Society

    EIN 205962132 · Headquarters: Smithwick, SD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  35. Snake Creek Development Corporation

    EIN 770669352 · Headquarters: Faulkton, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sniper Wrestling Academy

    EIN 993104086 · Headquarters: Groton, SD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Sno Jam Comedy Festival

    EIN 871365781 · Headquarters: Sioux Falls, SD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Soccer Rapid City

    EIN 911815757 · Headquarters: RAPID CITY, SD, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990

  39. Soccermadison

    EIN 273235965 · Headquarters: Madison, SD, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237175145 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 460307265 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 460443997 · Headquarters: Pierre, SD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  43. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 460340946 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 460351419 · Headquarters: Milbank, SD, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 460379135 · Headquarters: Nisland, SD, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 466016248 · Headquarters: Vermillion, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 467067848 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Society for the Advancement of Native Interests Today

    EIN 421549608 · Headquarters: Rapid City, SD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  49. Society for the Preservation and Encouragement of Barbershop Quarte

    EIN 753140483 · Headquarters: Winner, SD, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Society of American Foresters

    EIN 521273260 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Society of American Military Engineers

    EIN 510240004 · Headquarters: Rapid City, SD, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  52. Society of Black Hills Pioneers

    EIN 460323680 · Headquarters: Belle Fourche, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society of Civil War Historians Inc

    EIN 920396701 · Headquarters: Sioux Falls, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Society of Critical Care Medicine

    EIN 391797617 · Headquarters: Sioux Falls, SD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  55. Society of Health and Physical Educators

    EIN 460368310 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Society of Mayflower Descendants in the State of South Dakota

    EIN 237241746 · Headquarters: HOT SPRINGS, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Society of Pi Kappa Lambda

    EIN 363771827 · Headquarters: Aberdeen, SD, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Society of Pi Kappa Lambda University of South Dakota

    EIN 460455468 · Headquarters: Vermillion, SD, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Society of St Vincent De Paul of Sioux Falls

    EIN 460383607 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Society of St Vincent De Paul Rapid City Diocese District Council

    EIN 811558996 · Headquarters: SPEARFISH, SD, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Society of Women Engineers

    EIN 204650533 · Headquarters: Brookings, SD, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  62. Sodak 350

    EIN 881938500 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Sodak Compost

    EIN 873958302 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Sodak Junior Volleyball Inc

    EIN 882056533 · Headquarters: Brandon, SD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Sodak Performance Racing Organizati on Inc

    EIN 395018889 · Headquarters: STURGIS, SD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sodak Showmen of Union County 4-H Club of South Dakota

    EIN 934245202 · Headquarters: Canton, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Sodakian Community Centers

    EIN 921128783 · Headquarters: Rapid City, SD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Soil and Water Conservation Society

    EIN 460343868 · Headquarters: Fort Pierre, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sol Yoga Collective

    EIN 474217204 · Headquarters: Rapid City, SD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Sold Out Ministries

    EIN 921134991 · Headquarters: Rapid City, SD, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Solutions for Resilient Communities Inc

    EIN 422285565 · Headquarters: Spearfish, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Soni June Wilcox-missionary Evangelism Ministries

    EIN 311736916 · Headquarters: hot springs, SD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sonia Sotomayor Elementary School Pto

    EIN 812726164 · Headquarters: Sioux Falls, SD, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Sonlight Children's Foundation

    EIN 825330292 · Headquarters: Aberdeen, SD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Sons of Confederate Veterans Inc

    EIN 383846090 · Headquarters: Sturgis, SD, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Sons of Norway

    EIN 237139224 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sons of Norway

    EIN 237360849 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sons of Norway

    EIN 237525657 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Sons of Norway

    EIN 237525658 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sons of Norway

    EIN 237525659 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sons of Norway

    EIN 460356904 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sons of Norway

    EIN 460413474 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Sons of Norway

    EIN 460424988 · Headquarters: Madison, SD, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Sons of Norway

    EIN 460433858 · Headquarters: Yankton, SD, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Sons of Norway

    EIN 510172802 · Headquarters: Webster, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Sons of Norway

    EIN 510172803 · Headquarters: Huron, SD, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  87. Sons of Norway

    EIN 510206259 · Headquarters: Belle Fourche, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. Sons of Norway

    EIN 510206265 · Headquarters: Gary, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sons of Norway

    EIN 522134489 · Headquarters: big stone city, SD, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  90. Sons of Southfork Foundation

    EIN 274407471 · Headquarters: Sioux Falls, SD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Soroptimist International of the Americas Inc

    EIN 466015224 · Headquarters: Watertown, SD, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Sorum Fire Department

    EIN 466039594 · Headquarters: Reva, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sotasodak

    EIN 332715887 · Headquarters: Gary, SD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Sotera Youth & Family Services Collaborative

    EIN 871803219 · Headquarters: PIERRE, SD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Sound of the Trumpet

    EIN 270034970 · Headquarters: Sioux Falls, SD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Sounds of South Dakota Inc

    EIN 205799609 · Headquarters: Sioux Falls, SD, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Souper Starz Corp

    EIN 824674237 · Headquarters: Lead, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. South Bay Homeowners Inc

    EIN 454810305 · Headquarters: Sioux Falls, SD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. South Central Child Development Inc

    EIN 460392050 · Headquarters: WAGNER, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. South Central Development Corporation

    EIN 460397166 · Headquarters: WINNER, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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