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. American Coalition for Ethanol

    EIN 450407345 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. American Coalition for Family Assistance

    EIN 460430819 · Headquarters: Sioux Falls, SD, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. American College of Clinical Wound Specialists Inc

    EIN 562516620 · Headquarters: Brandon, SD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. American College of Healthcare Executives

    EIN 364559203 · Headquarters: Sioux Falls, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American College of Nurse-midwives

    EIN 272398827 · Headquarters: sioux falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American College of Physicians Sd C

    EIN 460385734 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. American Corn Growers Foundation

    EIN 521517333 · Headquarters: Revillo, SD, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Council of Engineering Companies of Sd Inc

    EIN 467259968 · Headquarters: BROOKINGS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. American Dental Assistants Association South Dakota

    EIN 237399433 · Headquarters: Brookings, SD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. American Ex-prisoners of War

    EIN 742236317 · Headquarters: BERESFORD, SD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. American Federation of Government Employees

    EIN 237069788 · Headquarters: Sioux Falls, SD, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. American Federation of Government Employees

    EIN 237125188 · Headquarters: Wagner, SD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. American Federation of Government Employees

    EIN 237168572 · Headquarters: Ellsworth AFB, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Federation of Government Employees

    EIN 460237526 · Headquarters: HOT SPRINGS, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. American Federation of Government Employees

    EIN 460353443 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Federation of Government Employees

    EIN 460403841 · Headquarters: Yankton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Federation of Government Employees

    EIN 466013680 · Headquarters: Sioux Falls, SD, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. American Federation of Government Employees

    EIN 466015235 · Headquarters: Sioux Falls, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. American Federation of Government Employees

    EIN 466015359 · Headquarters: FORT MEADE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Federation of Government Employees

    EIN 521206572 · Headquarters: Nemo, SD, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. American Federation of Labor & Congress of Industrial Orgs

    EIN 237204659 · Headquarters: Sioux Falls, SD, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. American Federation of Labor & Congress of Industrial Orgs

    EIN 460375514 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. American Federation of Labor & Congress of Industrial Orgs

    EIN 466014961 · Headquarters: Sioux Falls, SD, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. American Federation of Labor and Congress of Industrial Organizatio

    EIN 460276549 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Federation of Labor and Congress of Industrial Orgs

    EIN 460450724 · Headquarters: Sioux Falls, SD, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. American Federation of State County & Municipal Employees

    EIN 237150573 · Headquarters: Vermillion, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Federation of State County & Municipal Employees

    EIN 237208299 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Federation of State County & Municipal Employees

    EIN 237281795 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Federation of State County & Municipal Employees

    EIN 237286506 · Headquarters: Huron, SD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. American Federation of State County & Municipal Employees

    EIN 263915831 · Headquarters: Harrisburg, SD, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. American Federation of State County & Municipal Employees

    EIN 300582364 · Headquarters: Mount Vernon, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Federation of State County & Municipal Employees

    EIN 363938285 · Headquarters: Wilmont, SD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. American Federation of State County & Municipal Employees

    EIN 364645718 · Headquarters: Yankton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Federation of State County & Municipal Employees

    EIN 460345469 · Headquarters: Montrose, SD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Federation of State County & Municipal Employees

    EIN 460348823 · Headquarters: Lennox, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Federation of State County & Municipal Employees

    EIN 460440865 · Headquarters: Parkston, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Federation of State County & Municipal Employees

    EIN 466015464 · Headquarters: Brandon, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Federation of State County & Municipal Employees

    EIN 466015793 · Headquarters: Huron, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Federation of State County & Municipal Employees

    EIN 833051583 · Headquarters: Redfield, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Federation of State County & Municipal Employees

    EIN 911839047 · Headquarters: Salem, SD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. American Federation of State County & Municipal Employees

    EIN 932130391 · Headquarters: Worthing, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Federation of State County Municipal Employees Council 59

    EIN 460318601 · Headquarters: HURON, SD, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  43. American Guild of Organists

    EIN 466020124 · Headquarters: Sioux Falls, SD, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. American Guild of Organists Ago

    EIN 460386508 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. American Harp Society

    EIN 942518759 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Horse School

    EIN 460426938 · Headquarters: Allen, SD, USA · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990

  47. American Indian Art Museum Incorporated

    EIN 363365848 · Headquarters: Rapid City, SD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. American Indian Culture Research Center

    EIN 460306672 · Headquarters: Marvin, SD, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. American Indian Inst Fr Innovation

    EIN 262515139 · Headquarters: RAPID CITY, SD, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  50. American Indian Services Inc

    EIN 460354419 · Headquarters: Sioux Falls, SD, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  51. American Indian Social Research Inc

    EIN 201748054 · Headquarters: Sioux Falls, SD, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. American Institute of Graphic Arts

    EIN 204701660 · Headquarters: SIOUX FALLS, SD, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 237014964 · Headquarters: HERMOSA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 260062388 · Headquarters: BRANDON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 383818804 · Headquarters: Colman, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 460147560 · Headquarters: Deadwood, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 460214844 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 460217180 · Headquarters: Britton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 460224698 · Headquarters: EUREKA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 460230901 · Headquarters: BISON, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 460232703 · Headquarters: Spearfish, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 460240566 · Headquarters: Hartford, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 460245205 · Headquarters: Hoven, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 460247385 · Headquarters: Milbank, SD, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  65. American Legion

    EIN 460250941 · Headquarters: Hosmer, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 460253754 · Headquarters: MOBRIDGE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 460254581 · Headquarters: Tulare, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 460260578 · Headquarters: Elk Point, SD, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 460271551 · Headquarters: Ipswich, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 460272016 · Headquarters: Gettysburg, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 460274938 · Headquarters: ROSCOE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 460277124 · Headquarters: McLaughlin, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 460278019 · Headquarters: Philip, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 460279159 · Headquarters: Mount Vernon, SD, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 460310294 · Headquarters: FREDERICK, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 460356130 · Headquarters: Estelline, SD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 460378735 · Headquarters: NORRIS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 460424117 · Headquarters: Ethan, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 460444040 · Headquarters: McCook Lake, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 460447145 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 460454665 · Headquarters: Watertown, SD, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 460454667 · Headquarters: De Smet, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 466006906 · Headquarters: Belle Fourche, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 466006907 · Headquarters: Bowdle, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 466006917 · Headquarters: Gann Valley, SD, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  86. American Legion

    EIN 466006920 · Headquarters: Hill City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 466006922 · Headquarters: Howard, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Legion

    EIN 466006924 · Headquarters: Lebanon, SD, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 466006925 · Headquarters: Marion, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 466006930 · Headquarters: Toronto, SD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 466006932 · Headquarters: WHITE RIVER, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 466007184 · Headquarters: Pickstown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 466007187 · Headquarters: ROCKHAM, SD, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 466007188 · Headquarters: Roslyn, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 466009287 · Headquarters: Scotland, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 466010354 · Headquarters: Wall, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 466012265 · Headquarters: Humboldt, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 466012418 · Headquarters: DELMONT, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 466012426 · Headquarters: White, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 466012435 · Headquarters: Yankton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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