Unknown & Unclassified nonprofits in Mississippi

Unknown & Unclassified nonprofits in Mississippi. Browse 6,003 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 Association of Junior Auxiliaries Inc

    EIN 640362384 · Headquarters: GREENVILLE, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  2. National Association of Law Student Affairs Professionals

    EIN 813124705 · Headquarters: OXFORD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. National Association of Letter Carriers

    EIN 237065347 · Headquarters: Southaven, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Association of Letter Carriers

    EIN 237114714 · Headquarters: Natchez, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Association of Letter Carriers

    EIN 646025782 · Headquarters: HATTIESBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Association of Letter Carriers

    EIN 646025785 · Headquarters: Natchez, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Association of Letter Carriers

    EIN 646034798 · Headquarters: vicksburg, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Association of Letter Carriers

    EIN 646034838 · Headquarters: amory, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. National Association of Letter Carriers

    EIN 646034841 · Headquarters: Tupelo, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. National Association of Letter Carriers

    EIN 646034843 · Headquarters: Clarksdale, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. National Association of Negro Business and Professional Womens C

    EIN 640945049 · Headquarters: BAY SPRINGS, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Association of Retired & Veteran Railway Employees

    EIN 626079323 · Headquarters: Horn Lake, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Association of Retired Federal Employees

    EIN 261855223 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Association of Retired Federal Employees

    EIN 800585690 · Headquarters: Tupelo, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Association of Retired Federal Employees

    EIN 870762855 · Headquarters: Vicksburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Association of University Women Inc Central Ms Branch

    EIN 393890957 · Headquarters: Ridgeland, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. National Association of Women in Construction

    EIN 640627693 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. National Association of Women in Construction

    EIN 646025317 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Coalition of 100 Black Women Inc-central Mississippi Chapter

    EIN 582063167 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. National Cosmetology Association of Mississippi Inc

    EIN 646024885 · Headquarters: MADISON, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. National Council of Negro Women Inc

    EIN 474349736 · Headquarters: Indianola, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Council of Negro Women Inc

    EIN 844419408 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. National Council on Alcoholism and Drug Dependence of the Central Ms A

    EIN 640350397 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Council on Family Relations

    EIN 364792562 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Council on Family Relations

    EIN 384109348 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Electrical Contractors Association Central Ms Chapter

    EIN 640328032 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. National Exchange Club

    EIN 208668811 · Headquarters: Carriere, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Exchange Club

    EIN 237008224 · Headquarters: Kosciusko, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. National Exchange Club

    EIN 237008229 · Headquarters: OXFORD, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Exchange Club

    EIN 310923194 · Headquarters: Batesville, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. National Exchange Club

    EIN 640361150 · Headquarters: BROOKHAVEN, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. National Exchange Club

    EIN 640618416 · Headquarters: Florence, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. National Exchange Club

    EIN 646025378 · Headquarters: McComb, MS, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  34. National Exchange Club

    EIN 646025395 · Headquarters: Florence, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Exchange Club

    EIN 646025704 · Headquarters: JACKSON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. National Exchange Club

    EIN 646026528 · Headquarters: Clarksdale, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National Exchange Club 1697 Club of Columbus Mississippi

    EIN 646025128 · Headquarters: COLUMBUS, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. National Exchange Club 1703

    EIN 646025131 · Headquarters: GREENWOOD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. National Exchange Club 1708 Houston Ms

    EIN 646025132 · Headquarters: HOUSTON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Federation of Music Clubs

    EIN 464443312 · Headquarters: Crystal Springs, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Federation of Music Clubs

    EIN 640801625 · Headquarters: MADISON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. National Federation of Music Clubs

    EIN 760723242 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Federation of the Blind of Mississippi Inc

    EIN 237412421 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Football Foundation and College Hall of Fame Inc

    EIN 640752523 · Headquarters: Indianola, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Football Foundation and College Hall of Fame Inc

    EIN 640785653 · Headquarters: Natchez, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Friends of Amistad Inc

    EIN 237177060 · Headquarters: Yazoo City, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. National Guard Association of Missi

    EIN 640392760 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Guard Association of Mississippi Group In

    EIN 640428866 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. National Huguenot Society

    EIN 800012763 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Kappa Kappa Iota Inc

    EIN 237205325 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. National Kappa Kappa Iota Inc

    EIN 742307536 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Kappa Kappa Iota Inc

    EIN 742307538 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Kappa Kappa Iota Inc

    EIN 742307541 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. National Kappa Kappa Iota Inc

    EIN 742307545 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. National Kappa Kappa Iota Inc

    EIN 742307551 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. National Kappa Kappa Iota Inc

    EIN 742307552 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. National Kappa Kappa Iota Inc

    EIN 742307562 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. National Kappa Kappa Iota Inc

    EIN 742564381 · Headquarters: New Albany, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. National Kappa Kappa Iota Inc

    EIN 742709044 · Headquarters: NEW ALBANY, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. National Knife Museum Inc

    EIN 591730518 · Headquarters: WAYNESBORO, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. National Organization of Black Law Enforcement Executives Noble

    EIN 993108673 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Pan-hellenic Council of Hattiesburg

    EIN 991900335 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. National Renewable Energy Association

    EIN 061817623 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. National Rural Letter Carriers Association

    EIN 237233538 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. National Rural Letter Carriers Association

    EIN 237233540 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. National Rural Letter Carriers Association

    EIN 237233541 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. National Rural Letter Carriers Association

    EIN 237233542 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. National Rural Letter Carriers Association

    EIN 237233543 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. National Rural Letter Carriers Association

    EIN 237233544 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. National Rural Letter Carriers Association

    EIN 237233545 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. National Rural Letter Carriers Association

    EIN 510247424 · Headquarters: COMO, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. National Society Colonel Dames Xvii Century

    EIN 237135613 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Society Colonel Dames Xvii Century

    EIN 646037681 · Headquarters: Meridian, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Society Colonel Dames Xvii Century

    EIN 646037683 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Society Colonial Dames Xvii Century

    EIN 237055423 · Headquarters: Indianola, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. National Society Colonial Dames Xvii Century

    EIN 237097204 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Society Colonial Dames Xvii Century

    EIN 640619908 · Headquarters: Utica, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. National Society Colonial Dames Xvii Century

    EIN 640654396 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Society Colonial Dames Xvii Century

    EIN 640673879 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Society Colonial Dames Xvii Century

    EIN 640704925 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society Colonial Dames Xvii Century

    EIN 640720986 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society Dames of the Court of Honor

    EIN 237144570 · Headquarters: Purvis, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. National Society Daughters of Founders & Patriots of America

    EIN 237584666 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Society of Southern Dames of America Inc

    EIN 640888307 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Society of the Children of the American Revolution

    EIN 202168403 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. National Society of the Children of the American Revolution

    EIN 237248858 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Society of the Children of the American Revolution

    EIN 300483244 · Headquarters: Silver City, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. National Society of the Children of the American Revolution

    EIN 474611936 · Headquarters: Sunflower, MS, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. National Society of the Children of the American Revolution

    EIN 770723019 · Headquarters: Natchez, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. National Society of the Children of the American Revolution

    EIN 800223347 · Headquarters: Petal, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Society of the Children of the American Revolution

    EIN 800262466 · Headquarters: VICKSBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Society of the Children of the American Revolution

    EIN 800278411 · Headquarters: Wiggins, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. National Society of the Children of the American Revolution

    EIN 912187975 · Headquarters: Saltillo, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. National Society of the Daughters of the American Revolution

    EIN 237024375 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Society of the Daughters of the American Revolution

    EIN 237024382 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. National Society of the Daughters of the American Revolution

    EIN 237026945 · Headquarters: Natchez, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Society of the Daughters of the American Revolution

    EIN 237027673 · Headquarters: Macon, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. National Society of the Daughters of the American Revolution

    EIN 237027675 · Headquarters: Greenville, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. National Society of the Daughters of the American Revolution

    EIN 237062423 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. National Society of the Daughters of the American Revolution

    EIN 264805574 · Headquarters: Columbus, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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