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. Knights Templar of the United States of America

    EIN 237618892 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Knights Templar of the United States of America

    EIN 237618893 · Headquarters: ABERDEEN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights Templar of the United States of America

    EIN 237618901 · Headquarters: Pierre, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Knights Templar of the United States of America

    EIN 237618905 · Headquarters: Lemmon, SD, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. Knights Templar of the United States of America

    EIN 237619259 · Headquarters: Brookings, SD, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  6. Knights Templar of the United States of America

    EIN 460155248 · Headquarters: Pierre, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights Templar of the United States of America

    EIN 460235525 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Knights Templar of the United States of America

    EIN 460364412 · Headquarters: Huron, SD, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  9. Knights Templar of the United States of America

    EIN 800508348 · Headquarters: Spearfish, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knittel Cemetery Corporation

    EIN 871537049 · Headquarters: SIOUX FALLS, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Know the Covering Inc

    EIN 455432350 · Headquarters: RAPID CITY, SD, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  12. Komstad Cemetery

    EIN 461718210 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Korean War Veterans Association Chapter 160

    EIN 460449956 · Headquarters: Sturgis, SD, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  14. Kountry Kousins 4-H Club

    EIN 331205348 · Headquarters: Kadoka, SD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Kraze Softball

    EIN 844550953 · Headquarters: BLACK HAWK, SD, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  16. Kreative Kids Montessori Inc

    EIN 460401555 · Headquarters: Aberdeen, SD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Kreyer Conservation

    EIN 874829823 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Kul Wicasa Wopasi

    EIN 810835645 · Headquarters: Lower Brule, SD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Kyle Evans Western Heritage Center Inc

    EIN 932518081 · Headquarters: Wessington Springs, SD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. L Frank Baum Oz Festival

    EIN 911795011 · Headquarters: Mina, SD, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. La Leche League International

    EIN 923482260 · Headquarters: SIOUX FALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. La Leche League International Inc

    EIN 200462063 · Headquarters: Yankton, SD, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  23. La Leche League International Inc

    EIN 270897063 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. La Leche League International Inc

    EIN 460419941 · Headquarters: Valley Springs, SD, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. La Leche of Mn-dakotas

    EIN 263494689 · Headquarters: Rapid City, SD, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  26. La Societe De Femmes Cabane National Inc

    EIN 311216608 · Headquarters: Sioux Falls, SD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. La Societe De Femmes Cabane National Inc

    EIN 460443329 · Headquarters: Aberdeen, SD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. La Societe De Femmes Cabane National Inc

    EIN 900283350 · Headquarters: Hot Springs, SD, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. Labor Temple Building Association

    EIN 460271527 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Laborers International Union of North America Local 620

    EIN 261180181 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Lachs Legacy

    EIN 822214770 · Headquarters: Summerset, SD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Lacreek Electric Association Inc

    EIN 460218629 · Headquarters: MARTIN, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Lacreek Electric Youth and Community Support Inc

    EIN 872388312 · Headquarters: MARTIN, SD, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Ladies Cemetery Assn Egan SD Ladies Cemetery Association

    EIN 460238998 · Headquarters: Egan, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Lady Patriots Softball

    EIN 824153174 · Headquarters: Box Elder, SD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Lake Alvin Shooting Sports Association Inc

    EIN 824530808 · Headquarters: Harrisburg, SD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Lake Andes Firemens Association Inc

    EIN 460423367 · Headquarters: LAKE Andes, SD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Lake Andes Food & Wellness Council

    EIN 331993133 · Headquarters: Lake Andes, SD, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Lake Area Child Protection Inc

    EIN 460382317 · Headquarters: Watertown, SD, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Lake Area Hospital Association

    EIN 460377853 · Headquarters: WEBSTER, SD, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990

  41. Lake Area Hospital Foundation Inc of Webster South Dakota

    EIN 460440038 · Headquarters: WEBSTER, SD, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  42. Lake Area Kidney Endowment

    EIN 474601728 · Headquarters: WATERTOWN, SD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Lake Area Pet Pantry

    EIN 814125276 · Headquarters: Watertown, SD, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Lake Area Technical College Alumni Association

    EIN 460381673 · Headquarters: WATERTOWN, SD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Lake Area Technical College Foundation

    EIN 363860861 · Headquarters: WATERTOWN, SD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Lake Area Zoological Society

    EIN 237294134 · Headquarters: WATERTOWN, SD, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Lake Bryon Water Shed District

    EIN 460397815 · Headquarters: Huron, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Lake Byron Development Association

    EIN 237181940 · Headquarters: HURON, SD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Lake Campbell Improvement Assosciat Ion

    EIN 460366191 · Headquarters: Brookings, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Lake Chapter of a B a T E

    EIN 460452083 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Lake County Aging Alliance

    EIN 460418181 · Headquarters: Madison, SD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  52. Lake County Food Pantry

    EIN 363262303 · Headquarters: MADISON, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Lake County Friends of 4H

    EIN 460332786 · Headquarters: Madison, SD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  54. Lake County Historical Society

    EIN 460364322 · Headquarters: MADISON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Lake County Immunization Coalition

    EIN 208503214 · Headquarters: MADISON, SD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Lake County Prime Cuts 4-H Club

    EIN 853569534 · Headquarters: Madison, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Lake Family Foundation

    EIN 931741706 · Headquarters: Sioux Falls, SD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Lake Francis Case Development Corporation

    EIN 460371813 · Headquarters: CHAMBERLAIN, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Lake Herman Development Assoc Inc

    EIN 475233383 · Headquarters: Madison, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Lake Hiddenwood Foundation Inc

    EIN 843572743 · Headquarters: SELBY, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Lake Madison Development Association Inc

    EIN 611587550 · Headquarters: Madison, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Lake Norden Historical Society

    EIN 237040503 · Headquarters: Lake Norden, SD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  63. Lake Norden Senior Citizen Center Incorporated

    EIN 460336487 · Headquarters: Lake Norden, SD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Lake Oahe Learning Academy

    EIN 933282695 · Headquarters: MOBRIDGE, SD, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Lake Pelican Preservation Society

    EIN 261863034 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Lake Preston Cemetery Association

    EIN 863100679 · Headquarters: LAKE PRESTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  67. Lake Preston Community Daycare

    EIN 261293302 · Headquarters: LAKE PRESTON, SD, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  68. Lake Preston Development Corporation

    EIN 510199304 · Headquarters: LAKE PRESTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Lake Preston Housing Inc

    EIN 460320560 · Headquarters: LAKE PRESTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Lake Preston Museum Inc

    EIN 363309555 · Headquarters: Lake Preston, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Lake Region Electric Association Inc

    EIN 460156581 · Headquarters: WEBSTER, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Lake Region Golf Club

    EIN 460309093 · Headquarters: ARLINGTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Lake Traverse Animal Rezcue

    EIN 274582954 · Headquarters: SISSETON, SD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Lake Waggoner Golf Course Association

    EIN 237401463 · Headquarters: Philip, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Lakeside Country Club

    EIN 460282224 · Headquarters: FAULKTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Lakeview Lawn Bowling Association

    EIN 263884988 · Headquarters: MITCHELL, SD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Lakeview School

    EIN 460379528 · Headquarters: LAKE ANDES, SD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Lakeview Water Cooperative

    EIN 466026357 · Headquarters: Rapid City, SD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Lakota Animal Care Project

    EIN 450551967 · Headquarters: CUSTER, SD, USA · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  80. Lakota Center

    EIN 990675417 · Headquarters: Rapid City, SD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Lakota Child & Family

    EIN 274727931 · Headquarters: Winner, SD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Lakota Communications Inc

    EIN 460357012 · Headquarters: PORCUPINE, SD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Lakota Dream

    EIN 822742117 · Headquarters: PINE RIDGE, SD, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Lakota Friends Circle

    EIN 465764299 · Headquarters: Porcupine, SD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Lakota Future Inc

    EIN 920732615 · Headquarters: PINE RIDGE, SD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Lakota Golf Association

    EIN 300229879 · Headquarters: PINE RIDGE, SD, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  87. Lakota Indian Family Tiospaye

    EIN 352415048 · Headquarters: pine ridge, SD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Lakota Lockup Project

    EIN 883190047 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Lakota Nation Disaster Resiliency

    EIN 834293621 · Headquarters: Pine Ridge, SD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Lakota Oyate Wowakan Episcopal Church

    EIN 371610633 · Headquarters: pine ridge, SD, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Lakota Ranch Beginning Farmer - Rancher Program

    EIN 272668868 · Headquarters: kyle, SD, US · Food, Agriculture & Nutrition · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Lakota Stockmens Agriculture Fund

    EIN 852520141 · Headquarters: Mobridge, SD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. Lakota Times Incorporated

    EIN 851255433 · Headquarters: Martin, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Lakota Tipi Camp Inc

    EIN 453589805 · Headquarters: Kyle, SD, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Lakota Trading Post

    EIN 873598264 · Headquarters: Allen, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Lakota Well-being Project Inc

    EIN 853905298 · Headquarters: McLaughlin, SD, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Lakota Wellness Society Inc

    EIN 824390032 · Headquarters: PARMELEE, SD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Lakota Women Initiative

    EIN 331341850 · Headquarters: Parmelee, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Lakota Youth Development

    EIN 460436638 · Headquarters: HERRICK, SD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Lambda Chi Alpha Fraternity Inc

    EIN 237110458 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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