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. Modern Woodmen of America

    EIN 460397927 · Headquarters: PLATTE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Modern Woodmen of America

    EIN 460400485 · Headquarters: MITCHELL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Modern Woodmen of America

    EIN 460402759 · Headquarters: YANKTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Modern Woodmen of America

    EIN 460402760 · Headquarters: YANKTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Modern Woodmen of America

    EIN 460406487 · Headquarters: REDFIELD, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Modern Woodmen of America

    EIN 460406593 · Headquarters: BROOKINGS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Modern Woodmen of America

    EIN 460406865 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Modern Woodmen of America

    EIN 460406897 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Modern Woodmen of America

    EIN 460418286 · Headquarters: SPEARFISH, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Modern Woodmen of America

    EIN 460424714 · Headquarters: WHITE LAKE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Modern Woodmen of America

    EIN 460424809 · Headquarters: PARKSTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Modern Woodmen of America

    EIN 460425055 · Headquarters: WESSINGTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Modern Woodmen of America

    EIN 460426904 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Modern Woodmen of America

    EIN 460428512 · Headquarters: MITCHELL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Modern Woodmen of America

    EIN 460430831 · Headquarters: NEW UNDERWOOD, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Modern Woodmen of America

    EIN 460434120 · Headquarters: BRANDON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Modern Woodmen of America

    EIN 460435052 · Headquarters: TEA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Modern Woodmen of America

    EIN 460436498 · Headquarters: MENNO, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Modern Woodmen of America

    EIN 460436533 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Modern Woodmen of America

    EIN 460440841 · Headquarters: DELL RAPIDS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Modern Woodmen of America

    EIN 460441033 · Headquarters: EUREKA, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Modern Woodmen of America

    EIN 460442139 · Headquarters: FREEMAN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Modern Woodmen of America

    EIN 460444011 · Headquarters: MITCHELL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Modern Woodmen of America

    EIN 460445096 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Modern Woodmen of America

    EIN 460445283 · Headquarters: SELBY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Modern Woodmen of America

    EIN 460449439 · Headquarters: PLATTE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Modern Woodmen of America

    EIN 460449730 · Headquarters: NEW UNDERWOOD, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Modern Woodmen of America

    EIN 460453547 · Headquarters: CHAMBERLAIN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Modern Woodmen of America

    EIN 460454203 · Headquarters: WINNER, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Modern Woodmen of America

    EIN 460455848 · Headquarters: RELIANCE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Modern Woodmen of America

    EIN 460456358 · Headquarters: PIERRE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Modern Woodmen of America

    EIN 460458579 · Headquarters: PLATTE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Modern Woodmen of America

    EIN 460458584 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Modern Woodmen of America

    EIN 460458637 · Headquarters: BURKE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Modern Woodmen of America

    EIN 460461793 · Headquarters: WHITE LAKE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Modern Woodmen of America

    EIN 460462059 · Headquarters: RELIANCE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Modern Woodmen of America

    EIN 460515405 · Headquarters: PLANKINTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Modern Woodmen of America

    EIN 460648335 · Headquarters: SPEARFISH, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Modern Woodmen of America

    EIN 460832786 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Modern Woodmen of America

    EIN 461060787 · Headquarters: YANKTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Modern Woodmen of America

    EIN 461072666 · Headquarters: YANKTON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Modern Woodmen of America

    EIN 461174891 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Modern Woodmen of America

    EIN 461540381 · Headquarters: PIEDMONT, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Modern Woodmen of America

    EIN 463059724 · Headquarters: PHILIP, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Modern Woodmen of America

    EIN 470763819 · Headquarters: BURKE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Modern Woodmen of America

    EIN 472168485 · Headquarters: NEW UNDERWOOD, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Modern Woodmen of America

    EIN 474527756 · Headquarters: REDFIELD, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Modern Woodmen of America

    EIN 721544249 · Headquarters: PIERRE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Modern Woodmen of America

    EIN 721544251 · Headquarters: CHAMBERLAIN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Modern Woodmen of America

    EIN 743006355 · Headquarters: RELIANCE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Modern Woodmen of America

    EIN 813055919 · Headquarters: DELL RAPIDS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Modern Woodmen of America

    EIN 813809188 · Headquarters: ROSCOE, SD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  53. Modern Woodmen of America

    EIN 830320088 · Headquarters: SPEARFISH, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Modern Woodmen of America

    EIN 830343849 · Headquarters: PLATTE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Modern Woodmen of America

    EIN 830740153 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Modern Woodmen of America

    EIN 844558699 · Headquarters: WATERTOWN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Modern Woodmen of America

    EIN 911806003 · Headquarters: HURON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Modern Woodmen of America

    EIN 911820562 · Headquarters: BRANDON, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Modern Woodmen of America

    EIN 911874734 · Headquarters: PIERRE, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Modern Woodmen of America

    EIN 991912423 · Headquarters: MOUND CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Modern Woodmen of America Chapter 675

    EIN 392287435 · Headquarters: ABERDEEN, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Moms Club

    EIN 474799656 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Moms Club

    EIN 810559624 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Moms for Liberty - Minnehaha County Sd

    EIN 921182413 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Moms for Liberty Pennington County

    EIN 921132860 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Montrose Improvement Corporation

    EIN 460453417 · Headquarters: Montrose, SD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Montrose Music Festival

    EIN 993141824 · Headquarters: Salem, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Moody County Health Services Corporation

    EIN 460361792 · Headquarters: Flandreau, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Moody County Historical Society

    EIN 460376834 · Headquarters: Flandreau, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Moon Meadows Community Water Assn Inc

    EIN 460403263 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Moreau Grand Electric Cooperative

    EIN 460214198 · Headquarters: TIMBER LAKE, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Mount Rushmore Area Association of Realt

    EIN 460398741 · Headquarters: SPEARFISH, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Mount Rushmore National Memorial Society

    EIN 460258947 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Mount Rushmore Retriever Club Inc

    EIN 466015142 · Headquarters: Custer, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Mountain Home Inc

    EIN 814854265 · Headquarters: RAPID CITY, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Mt Pleasant Cemetery Assn of Sioux Falls

    EIN 460167935 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  77. Museum of Wildlife Science & Industry

    EIN 363431229 · Headquarters: Webster, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Music & Vending Assn of South Dakota

    EIN 460352676 · Headquarters: PIERRE, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Music Teachers National Association Inc

    EIN 460456787 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Musivend Pink Ladies

    EIN 872348314 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Mystic Order of Veiled Prophets of the Enchanted Realm Supreme Counci

    EIN 392566692 · Headquarters: SIOUX FALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Naifa-huron Sd 57350

    EIN 710878590 · Headquarters: Huron, SD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  83. Naifa-mitchell

    EIN 460379850 · Headquarters: Mitchell, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. Nals Inc

    EIN 460378452 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Nami Brookings

    EIN 363467183 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. NAMI South Dakota

    EIN 363593027 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. National Active and Retired Federal Employees Association

    EIN 237070712 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Active and Retired Federal Employees Association

    EIN 460405985 · Headquarters: MITCHELL, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Active and Retired Federal Employees Association

    EIN 460424959 · Headquarters: Sisseton, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National Active and Retired Federal Employees Association

    EIN 466014728 · Headquarters: Huron, SD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. National Active and Retired Federal Employees Association

    EIN 466014949 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Active and Retired Federal Employees Association

    EIN 466015797 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. National Active and Retired Federal Employees Association

    EIN 466019093 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Active and Retired Federal Employees Association

    EIN 466019214 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

First page and all pages