Unknown & Unclassified nonprofits in South Dakota

Unknown & Unclassified nonprofits in South Dakota. Browse 2,816 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. Beresford Senior Citizen Center Incorporated

    EIN 510187599 · Headquarters: Beresford, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Beresford Zion United Methodist Church

    EIN 870773319 · Headquarters: BERESFORD, SD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  3. Beseda Hall Inc

    EIN 460342097 · Headquarters: TABOR, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Beta Alpha Psi National Council

    EIN 364066488 · Headquarters: Vermillion, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Beta Sigma Phi State Kidney Project

    EIN 383952737 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Beta Theta Pi Fraternity

    EIN 460110730 · Headquarters: VERMILLION, SD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Bethany Lutheran Cemetery Inc

    EIN 460338663 · Headquarters: HURLEY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Bethel Cemetery Assoc

    EIN 466014870 · Headquarters: DAVIS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Bethesda Christian Counseling Midwest Inc

    EIN 363854095 · Headquarters: Sioux Falls, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Bethesda Home Foundation

    EIN 460397029 · Headquarters: WEBSTER, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Bethesda Home Inc

    EIN 460332387 · Headquarters: WEBSTER, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Bethesda Home of Aberdeen Inc

    EIN 460367117 · Headquarters: Aberdeen, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Bethesda of Beresford

    EIN 460225023 · Headquarters: BERESFORD, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Beverly Ann Miller Foundation

    EIN 844479011 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Bharat & Shubhra Foundation

    EIN 336470889 · Headquarters: Sioux Falls, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Bhw Residential Services Ii Inc Dba Prairies Edge

    EIN 363297912 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Bhw Residential Services Iii Inc Dba Centennial Apartments

    EIN 363528934 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Bible Living Ministries Inc

    EIN 710522672 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Big Brothers and Big Sisters O

    EIN 460282706 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Big Sioux Community Water

    EIN 237302663 · Headquarters: EGAN, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Big Stone City Historical Society

    EIN 460463525 · Headquarters: big stone city, SD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  22. Bill Boylan Life Enrichment Services Inc

    EIN 460381711 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  23. Bison Flight Club Inc

    EIN 271252103 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Bison Trap Club

    EIN 300445951 · Headquarters: Bison, SD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  25. Black Hawk Elementary Parents and Teachers Students Association

    EIN 460437617 · Headquarters: Black Hawk, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Black Hills Advertising Federation

    EIN 460385652 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Black Hills Amateur Radio Club Inc

    EIN 460360867 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Black Hills Animal Ally Foundation

    EIN 650415399 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Black Hills Area Council Inc Boy Scouts of America 695

    EIN 460224539 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Black Hills Astronomical Society

    EIN 460349625 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Black Hills Bed and Breakfasts

    EIN 465424313 · Headquarters: Hot Springs, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  32. Black Hills Central Reservations

    EIN 460432545 · Headquarters: Deadwood, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Black Hills Chamber Music Society

    EIN 460282351 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Black Hills Chapter of the Institute of Internal Auditors

    EIN 811094715 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Black Hills Chapter of the South Dakota Enginering Society

    EIN 460404240 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Black Hills Chiropractic Society

    EIN 460424350 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Black Hills Coin Club

    EIN 203960216 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Black Hills Corral of Westerners

    EIN 460362658 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Black Hills Dance Co

    EIN 411895378 · Headquarters: Piedmont, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Black Hills District Dental Society

    EIN 262197352 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Black Hills Educational Institute Inc

    EIN 460430030 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Black Hills Electric Cooperative

    EIN 460111503 · Headquarters: Custer, South Dakota, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Black Hills Ford & Mustang Club

    EIN 363884425 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Black Hills Forum and Press Club

    EIN 475556883 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Black Hills Home Builders Assn Inc

    EIN 460317838 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Black Hills Home Explorers 4-H Club

    EIN 850949984 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Black Hills Homeschool Co-op

    EIN 320245884 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. Black Hills Juniors Volleyball Club

    EIN 853532003 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Black Hills Mining Museum

    EIN 460392748 · Headquarters: LEAD, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Black Hills Mountain Bike Association

    EIN 460442480 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Black Hills Orienteering Club

    EIN 261293135 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Black Hills Preservation Project

    EIN 995075510 · Headquarters: Custer, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Black Hills Quilters Guild

    EIN 460341494 · Headquarters: Rapid City, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Black Hills Regional Chapter of Sigma Xi

    EIN 272815283 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Black Hills Regional Multiple Use Coalition

    EIN 460417865 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Black Hills Retired School Personnel

    EIN 460354548 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Black Hills Roundup

    EIN 911872929 · Headquarters: BELLE FOURCHE, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Black Hills Ski-for-light

    EIN 460355182 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Black Hills Snowmobile Club

    EIN 383806372 · Headquarters: Rapid city, SD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Black Hills Soccer Federation Inc

    EIN 460363026 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Black Hills Transit Inc

    EIN 464645470 · Headquarters: Spearfish, SD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Black Hills Visitor Information

    EIN 460421392 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Black Hills Works Foundation Inc

    EIN 460363653 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Blau-DeBoer Post 266

    EIN 466014703 · Headquarters: Tea, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Blet Division 726 C/o Thomas Siebert

    EIN 466016236 · Headquarters: ABERDEEN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Blue Blanket Valley Senior Citizens Center Inc

    EIN 460380601 · Headquarters: HOVEN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Blue Knights Motorcycle Club

    EIN 363611253 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Blunt Area Community Center Incorporated

    EIN 460336588 · Headquarters: Blunt, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Blunt Lariat Riding Club

    EIN 611795145 · Headquarters: Blunt, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Bohemian Farmers Mutual Insurance Company

    EIN 460211036 · Headquarters: TABOR, SD, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  71. Bon Homme County Sweet Clovers

    EIN 352784048 · Headquarters: Avon, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Bon Homme County Tabor Pioneers 4-H Club of South Dakota

    EIN 922887583 · Headquarters: SCOTLAND, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Bon Homme Heritage Association

    EIN 363689184 · Headquarters: Tyndall, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Bon Homme Yankton Electric Association

    EIN 460211846 · Headquarters: TABOR, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Bonilla Memorial Cemetery Association

    EIN 651321440 · Headquarters: Hitchcock, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Bowdle Area Senior Citizens Center Inc

    EIN 460336599 · Headquarters: Bowdle, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Boys & Girls Club of Standing Rock

    EIN 460376995 · Headquarters: McLaughlin, SD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Boys & Girls Clubs of the Sioux Empire

    EIN 460399482 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Boys and Girls Club of Rosebud

    EIN 460453641 · Headquarters: MISSION, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Boys and Girls Clubs of the Black Hills

    EIN 460332124 · Headquarters: Hill City, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Bpo of the Elks of the USA 994

    EIN 460110176 · Headquarters: YANKTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Braided Oaks School Inc

    EIN 393256084 · Headquarters: FULTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Brandon Baseball Program

    EIN 460401362 · Headquarters: BRANDON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Brandon Revolving Loan Foundation

    EIN 363567239 · Headquarters: BRANDON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Brandon Valley Chamber of Commerce

    EIN 460414476 · Headquarters: BRANDON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Brandon Valley Matcats Youth Wrestling Inc

    EIN 342057762 · Headquarters: Brandon, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Brave Little One Foundation

    EIN 332753407 · Headquarters: Lennox, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Brentwood School

    EIN 460406501 · Headquarters: FAULKTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Bricklayers Afl-cio Local Union 2

    EIN 271218268 · Headquarters: SIOUX FALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Bridgewater Emery Athletic Hall of Fame

    EIN 422782405 · Headquarters: Emery, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Bridle Acres Pool Inc

    EIN 460270922 · Headquarters: MITCHELL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Britton Chamber of Commerce

    EIN 510147609 · Headquarters: BRITTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Britton Community Theatre Inc

    EIN 460381587 · Headquarters: Britton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Britton Country Club Inc

    EIN 460113953 · Headquarters: BRITTON, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Britton Economic Development Corp

    EIN 363718999 · Headquarters: Britton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Broken Boot Gold Mine Inc

    EIN 460308007 · Headquarters: Deadwood, SD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  97. Brookings Area Chamber of Commerce

    EIN 460121700 · Headquarters: BROOKINGS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Brookings Area Habitat for Humanity

    EIN 460437158 · Headquarters: Brookings, SD, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Brookings Assoc of Life Underwriters

    EIN 510230449 · Headquarters: Madison, SD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  100. Brookings Country Club

    EIN 460114150 · Headquarters: Brookings, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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