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. National Active and Retired Federal Employees Association

    EIN 510236514 · Headquarters: Pierre, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Active and Retired Federal Employees Association

    EIN 510236515 · Headquarters: Yankton, SD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. National Active and Retired Federal Employees Association

    EIN 510250215 · Headquarters: Sturgis, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Active and Retired Federal Employees Association

    EIN 521627906 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Active and Retired Federal Employees Association

    EIN 581967637 · Headquarters: Gettysburg, SD, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  6. National Active and Retired Federal Employees Association

    EIN 581967639 · Headquarters: Orient, SD, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  7. National Active and Retired Federal Employees Association

    EIN 581967755 · Headquarters: Armour, SD, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. National Active and Retired Federal Employees Association

    EIN 581968270 · Headquarters: Winner, SD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. National Active and Retired Federal Employees Association

    EIN 582072606 · Headquarters: Custer, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Air Traffic Controllers Association

    EIN 460401931 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Air Traffic Controllers Association

    EIN 871788246 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National American University Foundation

    EIN 237010355 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. National Assn of Letter Carriers

    EIN 466014945 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. National Assn of Tower Erectors Dba NATE

    EIN 460437154 · Headquarters: Watertown, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. National Association for English Learner Program Administrators Inc

    EIN 273450182 · Headquarters: Box Elder, SD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. National Association of Fraternal Insurance Counselors Inc

    EIN 800197338 · Headquarters: RAPID CITY, SD, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. National Association of Fsa County Office Employees

    EIN 460391677 · Headquarters: Leola, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. National Association of Fsa County Office Employees

    EIN 466014981 · Headquarters: Milbank, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Association of Health & Educational Facilities Finance Auth

    EIN 521558022 · Headquarters: PIERRE, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. National Association of Housing & Redevelopment Officals

    EIN 270693070 · Headquarters: Vermillion, SD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Association of Insurance & Financial Advisors Glacial Lakes

    EIN 460450263 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. National Association of Insurance and Financial Advisors

    EIN 460461832 · Headquarters: Aberdeen, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  23. National Association of Insurance Women

    EIN 460459301 · Headquarters: Milbank, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. National Association of Insurance Women

    EIN 466024289 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. National Association of Letter Carr

    EIN 466019114 · Headquarters: HURON, SD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Association of Letter Carriers

    EIN 460311033 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. National Association of Letter Carriers

    EIN 466013034 · Headquarters: WATERTOWN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Association of Letter Carriers

    EIN 466014947 · Headquarters: Madison, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Association of Letter Carriers

    EIN 466015317 · Headquarters: beresford, SD, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  30. National Association of Letter Carriers

    EIN 466019104 · Headquarters: Brookings, SD, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  31. National Association of Letter Carriers

    EIN 466019106 · Headquarters: Chamberlain, SD, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. National Association of Letter Carriers

    EIN 466019112 · Headquarters: gregory, SD, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. National Association of Letter Carriers

    EIN 466019116 · Headquarters: milbank, SD, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  34. National Association of Letter Carriers

    EIN 466019119 · Headquarters: Pierre, SD, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. National Association of Letter Carriers

    EIN 466019122 · Headquarters: Spearfish, SD, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  36. National Association of Letter Carriers

    EIN 466019124 · Headquarters: Vermillion, SD, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. National Association of Letter Carriers

    EIN 660191080 · Headquarters: Custer, SD, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. National Association of Letter Carriers Afl-cfo Br 498

    EIN 466019117 · Headquarters: Mitchell, SD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Association of Letter Carriers Auxiliary of USA

    EIN 466017224 · Headquarters: SIOUX FALLS, SD, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  40. National Association of Postal Supervisors-sd State Branch 946

    EIN 460397123 · Headquarters: Sioux Falls, SD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Association of Postmasters of the United States

    EIN 237275398 · Headquarters: Wessington Springs, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. National Association of Retrospective Fatality Analysts

    EIN 932249223 · Headquarters: Mitchell, SD, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. National Association of State Investment Officers

    EIN 432014169 · Headquarters: SIOUX FALLS, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Association of Teachers of Singing

    EIN 271036474 · Headquarters: Sioux Falls, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. National Association of Women in Construction

    EIN 460354053 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. National Association of Women in Construction

    EIN 510216832 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. National Association of Women in Construction

    EIN 934093226 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. National Bison Association

    EIN 841026558 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. National Bowhunter Education Foundation Inc

    EIN 953605758 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Exchange Club

    EIN 237163154 · Headquarters: Aberdeen, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. National Exchange Club

    EIN 237331284 · Headquarters: Pierre, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Exchange Club

    EIN 460361493 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Exchange Club

    EIN 460387400 · Headquarters: Aberdeen, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. National Exchange Club of Mitchell

    EIN 237019555 · Headquarters: MITCHELL, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. National Federation of Music Clubs

    EIN 900047387 · Headquarters: Dakota Dunes, SD, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. National Federation of the Blind of South Dakota Inc

    EIN 460348322 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Field Archery Association

    EIN 951793456 · Headquarters: Yankton, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Field Archery Association Foundation

    EIN 330430066 · Headquarters: YANKTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Goose Council

    EIN 410981756 · Headquarters: Sisseton, SD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. National Guard Association of SD

    EIN 460347842 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. National Historic Site of Wounded Knee

    EIN 474511890 · Headquarters: Rapid City, SD, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. National Lamb Feeders Association

    EIN 942392583 · Headquarters: PIERRE, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. National League of American Pen Women Inc

    EIN 237104041 · Headquarters: Keystone, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  64. National League of Postmasters of the United States

    EIN 466015654 · Headquarters: HARRISBURG, SD, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  65. National Ms Society-north Central St Cha

    EIN 450255544 · Headquarters: SIOUX FALLS, SD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990

  66. National Music Museum (Americas Shrine to Music)

    EIN 237266823 · Headquarters: VERMILLION, SD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. National Network of Abortion Funds

    EIN 562656499 · Headquarters: Rapid City, SD, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. National Network of Immunization Nurses and Associates Inc

    EIN 481266249 · Headquarters: Nunda, SD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  69. National Order of Trench Rats

    EIN 460426208 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. National Organization for Women Inc

    EIN 222583732 · Headquarters: Rapid City, SD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  71. National Organization for Women Inc

    EIN 813165834 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. National Organization of Women Gun Owners

    EIN 474835684 · Headquarters: Box Elder, SD, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  73. National Pancreatic Cancer Foundation

    EIN 270217794 · Headquarters: RAPID CITY, SD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. National Podcasting Company Inc

    EIN 451486788 · Headquarters: Chamberlain, SD, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. National Rockhound and Lapidary Hall of Fame

    EIN 460441254 · Headquarters: Murdo, SD, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  76. National Rural Letter Carriers Association

    EIN 460338209 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. National Rural Letter Carriers Association

    EIN 466014759 · Headquarters: Colton, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. National Society of the Children of the American Revolution

    EIN 900531356 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. National Society of the Children of the American Revolution

    EIN 900531357 · Headquarters: HOT SPRINGS, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. National Society of the Daughters of American Revolution

    EIN 271004433 · Headquarters: Fort Pierre, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society of the Daughters of the American Revolution

    EIN 364766919 · Headquarters: Spearfish, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society of the Daughters of the American Revolution

    EIN 460415116 · Headquarters: Wilmont, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. National Society of the Daughters of the American Revolution

    EIN 466012057 · Headquarters: Mellette, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Society of the Daughters of the American Revolution

    EIN 466014868 · Headquarters: Box Elder, SD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. National Society of the Daughters of the American Revolution

    EIN 466014873 · Headquarters: Rapid City, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Society of the Daughters of the American Revolution

    EIN 466014884 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Society of the Daughters of the American Revolution

    EIN 466014886 · Headquarters: Yankton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society of the Daughters of the American Revolution

    EIN 466014895 · Headquarters: Hot Springs, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Society of the Daughters of the American Revolution

    EIN 815359483 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National Society of the Daughters of the American Revolution

    EIN 900901278 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Society of the Sons of the American Revolution

    EIN 466014987 · Headquarters: EDGEMONT, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Treasury Employees Union

    EIN 466014548 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. National Womens Political Caucus South Dakota Chapter

    EIN 134339415 · Headquarters: Sioux Falls, SD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. Native American Community Board

    EIN 460392867 · Headquarters: LAKE ANDES, SD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Native American Council of Tribes Inc

    EIN 460424521 · Headquarters: Sioux Falls, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Native American Cultural Center & Museum Inc

    EIN 203170838 · Headquarters: Aberdeen, SD, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. Native American Veterans Assistance

    EIN 475548657 · Headquarters: PINE RIDGE, SD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Native Biodata Consortium

    EIN 832424364 · Headquarters: EAGLE BUTTE, SD, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990

  99. Native Educational Endeavors

    EIN 208019926 · Headquarters: Vermillion, SD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Native Hoop

    EIN 991206465 · Headquarters: Watertown, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages