Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. The Nat'l Caucus & Ctr on Black Aged Housing Svcs of Ms Iii Inc -

    EIN 640696987 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Nate Straubhar Foundation Inc

    EIN 393894520 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The Nathan & Helen Kohler Foundation

    EIN 136161880 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. The Nathan & Lena Seiler Family Fdn C/o Jay Gelbein Cpa

    EIN 133106906 · Headquarters: STATEN ISLAND, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. The Nathan Foundation Inc Ima Co Robert S

    EIN 526033999 · Headquarters: CAMBRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. The Nathan J & Helen Goldrich Foundation Inc

    EIN 136193029 · Headquarters: UNIVERSITY PARK, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. The Nathan J Klein Fund

    EIN 746060543 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. The Nathan P Jacobs Foundation

    EIN 363611416 · Headquarters: CENTERPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. The Nathanson-abrams Family Foundation

    EIN 133030314 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. The Nation of Christ Inc

    EIN 394272241 · Headquarters: Jamaica, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. The National Adrenal Diseases Foundation

    EIN 112777036 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. The National Alumnae Association of Spelman College

    EIN 900254909 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. The National Alumnae Association of Spelman College

    EIN 900254910 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. The National Alumnae Association of Spelman College

    EIN 900254911 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. The National Alumnae Association of Spelman College

    EIN 900254912 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. The National Alumnae Association of Spelman College

    EIN 900254913 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. The National Alumni Society of Uab

    EIN 630796267 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. The National Antique and Art Dealers Association of America Inc

    EIN 510180605 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. The National Arts Club

    EIN 135265900 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. The National Association for Regulatory Administration

    EIN 541542015 · Headquarters: FREDERICKSBURG, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. The National Association of Bunco Investigators Inc

    EIN 521364881 · Headquarters: VICTORIA, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. The National Association of Forensic Economics Inc

    EIN 431458150 · Headquarters: LAFAYETTE HILL, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The National Association of Guardsmen Los Angeles Chapter

    EIN 133837371 · Headquarters: Culver City, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. The National Association of Guardsmen Manhattan Chapter

    EIN 222450142 · Headquarters: MANALAPAN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. The National Association of Patent Practitioners Inc

    EIN 541787647 · Headquarters: OKEMOS, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. The National Association of Professional Baseball Leagues Inc

    EIN 314361072 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. The National Association Of State Directors Of Pupil Transportation Svcs

    EIN 870333557 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The National Association of State Workforce Agencies

    EIN 520978073 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The National Association of Women Law Enforcement Executives Inc

    EIN 593364946 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. The National Association of Young Asian Professionals Inc

    EIN 133348321 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. The National Atm Council Inc

    EIN 453268848 · Headquarters: JACKSONVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. The National Auctioneers Foundation

    EIN 363258500 · Headquarters: OVERLAND PARK, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. The National Ben Gamla Jewish Chart Er School Foundation Llc

    EIN 412481072 · Headquarters: Hollywood, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. The National Bowling Association Inc

    EIN 340902186 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The National Boxing Association Incorporated

    EIN 592426038 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. The National Brotherhood of Snowsports

    EIN 363058068 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The National Bureau of Asian Research

    EIN 911444105 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. The National Call for Safe Technology Inc

    EIN 413113849 · Headquarters: Forest Hills, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. The National Capital Velo Club Inc

    EIN 521568474 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. The National Cartoonists Society Inc

    EIN 133441165 · Headquarters: LIVONIA, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. The National Catholic College Admission Association

    EIN 222811383 · Headquarters: New Albany, OH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The National Caucus and Center on Black Aged Housing Services of Nc

    EIN 581528222 · Headquarters: REIDSVILLE, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. The National Center for Stewardship and Generosity Inc

    EIN 465473051 · Headquarters: Princeton, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. The National Center for the Laity

    EIN 363252332 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. The National Children's Cancer Society

    EIN 371227890 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The National City Chamber of Commerce

    EIN 951038185 · Headquarters: NATIONAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. The National Conference of Artists Inc

    EIN 237360790 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. The National Conference of Cpa

    EIN 132976429 · Headquarters: WOODBURY, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. The National Conference of Womens Bar Associations

    EIN 561642855 · Headquarters: Greensboro, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. The National Council of State Board of Examiners for Speech-language

    EIN 630781913 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. The National Court of the Royal Order of Jesters

    EIN 480579996 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The National Economists Club

    EIN 237008711 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. The National Exchange Club

    EIN 344312210 · Headquarters: Greenfield, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. The National Exchange Club

    EIN 363538379 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. The National Exchange Club

    EIN 463106629 · Headquarters: Owatonna, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. The National Exchange Club

    EIN 463577964 · Headquarters: Chandler, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. The National Exchange Club

    EIN 464793705 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. The National Exchange Club

    EIN 582670200 · Headquarters: CROSSVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. The National Exchange Club 3000 Regional Exchange Club of Lynchburg

    EIN 462799642 · Headquarters: LYNCHBURG, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. The National Exchange Club of Red Bluff

    EIN 311169913 · Headquarters: RED BLUFF, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. The National Federation of The Grand Order of Pachyderm Clubs

    EIN 436218896 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. The National Football Foundation & College Hall of Fame Inc

    EIN 221508812 · Headquarters: IRVING, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. The National Football Foundation & College Hall of Fame Inc

    EIN 510226347 · Headquarters: IRVING, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The National Foundation for Children In

    EIN 592039890 · Headquarters: SANTA ROSA BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. The National Foundation for Womens Bar Associations

    EIN 521417792 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. The National Gianna Center for Women's Health and Fertility Inc

    EIN 320410270 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  67. The National Guard Association of Texas

    EIN 746046689 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The National Gym Association Inc

    EIN 112557340 · Headquarters: COCONUT CREEK, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. The National Hay Association Inc

    EIN 381655677 · Headquarters: GENOA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The National HBPA Inc

    EIN 521789171 · Headquarters: Lexington, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The National Home Infusion Associat

    EIN 541595311 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. The National Humanities Alliance

    EIN 521395619 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. The National Institute for Science Law and Public Policy Inc

    EIN 521314021 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. The National Judges Association

    EIN 380158879 · Headquarters: Glendive, MT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. The National Judicial College

    EIN 942427596 · Headquarters: RENO, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The National Limousine Association

    EIN 521379152 · Headquarters: MARLTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. The National Little League of Turlock

    EIN 770472623 · Headquarters: Turlock, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. The National Management Association

    EIN 310387780 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The National Model Car Builders

    EIN 870481286 · Headquarters: Sandy, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. The National Museum of Women in the Arts

    EIN 521238810 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The National Needlearts Association Inc

    EIN 132822742 · Headquarters: PINE GROVE MILLS, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. The National Orchestral Association Inc

    EIN 136001556 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. The National Organization of Child Care Worker Associations Incorpora

    EIN 521470664 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. The National Park Service Employee and Alumni Trust Fund

    EIN 237405044 · Headquarters: FORT WASHINGTON, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  85. The National Postal Mail Handlers Union Local 304

    EIN 341120293 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. The National Postal Policy Council Inc

    EIN 521333251 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The National Press Foundation Inc

    EIN 521069481 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The National Psilocybin Research Foundation NFP

    EIN 923582259 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  89. The National Railroad Construction and Maintenance Association Inc

    EIN 370990937 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. The National Realty Club Foundation Ltd

    EIN 881067655 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. The National Republican Club of Capitol Hill Inc

    EIN 530200565 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. The National Right to Work Committee

    EIN 510147724 · Headquarters: SPRINGFIELD, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. The National Sanctuary of Our Sorrowful Mother

    EIN 930386924 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  94. The National Shrine of St Frances Xavier Cabrini Inc

    EIN 455607401 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. The National Small Business Council Inc

    EIN 521635567 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. The National Society of Black Sports Professionals - Phoenix

    EIN 993528827 · Headquarters: Tempe, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. The National Society of Colonial Dames of America In

    EIN 356022488 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. The National Society of Colonial Dames of America in Pa

    EIN 231352271 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. The National Society of Th Colonial Dames of Amer in State of Hawaii

    EIN 990249878 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. The National Society of the Colonial Dames in the State of Ark

    EIN 716059897 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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