Unknown & Unclassified nonprofits in South Carolina

Unknown & Unclassified nonprofits in South Carolina. Browse 6,963 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 237069868 · Headquarters: SALEM, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Active and Retired Federal Employees Association

    EIN 237069871 · Headquarters: Summerville, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Active and Retired Federal Employees Association

    EIN 521627919 · Headquarters: Lexington, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. National Active and Retired Federal Employees Association

    EIN 570769440 · Headquarters: Aiken, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Active and Retired Federal Employees Association

    EIN 570886296 · Headquarters: Tega Cay, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Active and Retired Federal Employees Association

    EIN 570969762 · Headquarters: Hilton Head, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Active and Retired Federal Employees Association

    EIN 576028913 · Headquarters: Prosperity, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Active and Retired Federal Employees Association

    EIN 576028914 · Headquarters: Union, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Active and Retired Federal Employees Association

    EIN 576028915 · Headquarters: Swansea, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Active and Retired Federal Employees Association

    EIN 576028916 · Headquarters: Greer, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Active and Retired Federal Employees Association

    EIN 576028918 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Active and Retired Federal Employees Association

    EIN 576028920 · Headquarters: Florence, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Active and Retired Federal Employees Association

    EIN 576033779 · Headquarters: Beaufort, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. National Air Traffic Controller Association

    EIN 473292554 · Headquarters: GREENVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Air Traffic Controllers Association

    EIN 270595526 · Headquarters: GREENVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Air Traffic Controllers Association

    EIN 521591040 · Headquarters: West Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Air Traffic Controllers Association

    EIN 521801855 · Headquarters: Myrtle Beach, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Air Traffic Controllers Association

    EIN 570870865 · Headquarters: Florence, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Air Traffic Controllers Association

    EIN 570871545 · Headquarters: Greer, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Ait Traffic Controllers Association

    EIN 570882728 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Alliance of Postal and Federal Employees

    EIN 237008343 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Alliance of Postal and Federal Employees

    EIN 237008349 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Alliance of Postal and Federal Employees

    EIN 237008351 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Alliance of Postal and Federal Employees

    EIN 237009774 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Alliance of Postal and Federal Employees

    EIN 237009874 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Alliance of Postal and Federal Employees

    EIN 237010257 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National Alliance of Postal and Federal Employees

    EIN 237015157 · Headquarters: COLUMBIA, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Alliance of Postal and Federal Employees

    EIN 237015158 · Headquarters: CLOUMBIA, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Alliance of Postal and Federal Employees

    EIN 237106906 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Alliance of Postal and Federal Employees

    EIN 237108687 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. National Alliance of Postal and Federal Employees

    EIN 521566726 · Headquarters: GREENVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National Alliance of Postal and Federal Employees

    EIN 521566728 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Alliance of Postal and Federal Employees

    EIN 521566730 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Alliance of Postal and Federal Employees

    EIN 571030744 · Headquarters: FLORENCE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. National Alliance of Postal and Federal Employees

    EIN 581515585 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. National Alliance of Postal and Federal Employees

    EIN 591835771 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National Alliance of Postal and Federal Employees

    EIN 593334857 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. National Alliance of Postal and Federal Employess

    EIN 237008347 · Headquarters: CLOVER, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Alumni Association of Saint Augustines College Inc

    EIN 833523752 · Headquarters: Blythewood, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Ambucs Inc

    EIN 352300822 · Headquarters: Wadmalaw, SC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. National Ambucs Inc

    EIN 570724355 · Headquarters: aiken, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. National Ambucs Inc

    EIN 821556750 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Assoc of Retired Fed Empl

    EIN 454952899 · Headquarters: Cottageville, SC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. National Association for Campus Activities

    EIN 570515273 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Association for Continence

    EIN 570767383 · Headquarters: CHARLESTON, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Association for the Advancement of Colored People

    EIN 453153872 · Headquarters: YORK, SC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. National Association for the Advancement of Colored People

    EIN 570775726 · Headquarters: TRENTON, SC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. National Association for the Advancement of Colored People

    EIN 571056086 · Headquarters: Winnsboro, SC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. National Association for the Advancement of Colored People

    EIN 571080960 · Headquarters: Mccormick, SC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. National Association for the Advancement of Colored People

    EIN 912157449 · Headquarters: Bamberg, SC, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  51. National Association for the Advancement of Colored People

    EIN 912157453 · Headquarters: Myrtle Beach, SC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. National Association of Benefits and Insurance Providers Sc Chapter

    EIN 571011946 · Headquarters: CHARLESTON, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. National Association of Black Veterans Inc

    EIN 901066606 · Headquarters: Conway, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National Association of Carriers

    EIN 576024828 · Headquarters: MYRTLE BEACH, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. National Association of Catering Executives Inc

    EIN 463583880 · Headquarters: Greer, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. National Association of Chapter 13 Trustees

    EIN 680164491 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Association of Decorative Fabric Distributors

    EIN 363118526 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. National Association of Engineering Council Executives

    EIN 465728975 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. National Association of Government Employees

    EIN 542062700 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. National Association of Insurance and Financial Advisors Blue Ridge

    EIN 570761432 · Headquarters: Clemson, SC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. National Association of Insurance Women

    EIN 576020122 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. National Association of Insurance Women

    EIN 576036777 · Headquarters: SPARTANBURG, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. National Association of Insurance Women

    EIN 576036780 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. National Association of Insurance Women

    EIN 731327874 · Headquarters: Fountain Inn, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Association of Letter Carriers

    EIN 562626417 · Headquarters: Anderson, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Association of Letter Carriers

    EIN 570919830 · Headquarters: HANAHAN, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. National Association of Letter Carriers

    EIN 576023573 · Headquarters: GREENVILLE, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. National Association of Letter Carriers

    EIN 576024821 · Headquarters: FLORENCE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Association of Letter Carriers

    EIN 576025764 · Headquarters: West Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Association of Letter Carriers

    EIN 576033785 · Headquarters: York, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Association of Letter Carriers

    EIN 576033801 · Headquarters: Orangeburg, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Association of Letter Carriers

    EIN 576033805 · Headquarters: FLORENCE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Association of Letter Carriers

    EIN 576033821 · Headquarters: Taylors, SC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. National Association of Letter Carriers

    EIN 576033829 · Headquarters: kershaw, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Association of Letter Carriers

    EIN 576034120 · Headquarters: Sumter, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Association of Miniature Enthusiasts

    EIN 770659997 · Headquarters: Lexington, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. National Association of Miniature Enthusiasts

    EIN 943064686 · Headquarters: Greer, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. National Association of Neonatal Nurses

    EIN 204463342 · Headquarters: North Augusta, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Association of Professional Mortgage Women

    EIN 822080564 · Headquarters: Fort Mill, SC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. National Association of State Park Directors Inc

    EIN 860896436 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. National Association of Tax Professionals Inc

    EIN 571015556 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Association of Women in Construction

    EIN 570739819 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. National Association of Women in Construction

    EIN 576029441 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Association of Women in Construction

    EIN 831641955 · Headquarters: North Charleston, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 812152928 · Headquarters: Port Royal, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. National Black Nurses Association Inc

    EIN 540928347 · Headquarters: CHARLESTON, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Black Nurses Association Inc

    EIN 821669342 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. National Black Nurses Association Inc

    EIN 834232146 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Board of Diving and Hyperbaric Medical Technology Inc

    EIN 581880487 · Headquarters: PELION, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. National Concrete Burial Vault Association

    EIN 316041217 · Headquarters: GREENVILLE, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. National Council Negro Women Greenville County Section

    EIN 843054118 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. National Council of Jewish Women Incorporated

    EIN 576023372 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. National Council of Negro Women Inc

    EIN 311561221 · Headquarters: Bishopville, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Council of Negro Women Inc

    EIN 570897091 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. National Council of Negro Women Inc

    EIN 570937299 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. National Council of Negro Women Inc

    EIN 576028944 · Headquarters: Florence, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. National Council of Negro Women Inc

    EIN 911917564 · Headquarters: Florence, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. National Council of Negro Women Inc

    EIN 911917567 · Headquarters: Laurens, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. National Council of Negro Women Inc Sc 039 Clarendon Section

    EIN 274177471 · Headquarters: MANNING, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Council of Techers of English

    EIN 570858898 · Headquarters: Florence, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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