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. National League of American Pen Women Inc

    EIN 237214192 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National League of American Pen Women Inc

    EIN 237214196 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National League of American Pen Women Inc

    EIN 237214209 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National League of American Pen Women Inc

    EIN 237214219 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National League of American Pen Women Inc

    EIN 237214224 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National League of American Pen Women Inc

    EIN 237214226 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National League of American Pen Women Inc

    EIN 237214235 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National League of American Pen Women Inc

    EIN 237214236 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National League of American Pen Women Inc

    EIN 237214237 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National League of American Pen Women Inc

    EIN 237214241 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National League of American Pen Women Inc

    EIN 237214248 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National League of American Pen Women Inc

    EIN 237214254 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National League of American Pen Women Inc

    EIN 237327151 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National League of American Pen Women Inc

    EIN 237361661 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National League of American Pen Women Inc

    EIN 473684672 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National League of American Pen Women Inc

    EIN 475244204 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National League of American Pen Women Inc

    EIN 510232340 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National League of American Pen Women Inc

    EIN 593454915 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National League of American Pen Women Inc

    EIN 731413544 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National League of American Pen Women Inc

    EIN 911825138 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National League of American Pen Women Inc

    EIN 911825141 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National League of American Pen Women Inc

    EIN 911825148 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National League of American Pen Women Inc

    EIN 911825151 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National League of American Pen Women Inc

    EIN 911825160 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National League of American Pen Women Inc

    EIN 911825164 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National League of American Pen Women Inc

    EIN 911825229 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National League of American Pen Women Inc

    EIN 911825247 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National League of American Pen Women Inc

    EIN 911825250 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National League of American Pen Women Inc

    EIN 911825251 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National League of American Pen Women Inc

    EIN 911825255 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. National League of American Pen Women Inc

    EIN 911954895 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National League of American Pen Women Inc

    EIN 911954896 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National League of Cities

    EIN 530226780 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. National League of Justice and Security Profession

    EIN 264215751 · Headquarters: Ridley Park, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. National League of Masonic Clubs In

    EIN 221459122 · Headquarters: YORK, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. National League of Taxpayers

    EIN 541750757 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National League of Young Men Inc

    EIN 471163152 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. National League of Young Men Inc

    EIN 475219440 · Headquarters: Issaquah, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. National League of Young Men Inc La Jolla Chapter

    EIN 471013373 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. National League of Young Men Inc Mercer Island Chapter

    EIN 465369795 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. National Leased Housing Association

    EIN 237304915 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. National Leather Association International

    EIN 943184628 · Headquarters: Addison, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Lesbian & Gay Journalists Association

    EIN 943177380 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Lesbian and Gay Law Association

    EIN 581953681 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Letter Carriers Association

    EIN 320695905 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Lgbtq Task Force

    EIN 521624852 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. National Lgbtq Task Force Action Fund Inc

    EIN 132772832 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Life Center Inc

    EIN 521052094 · Headquarters: Woodbury, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. National Lime Association

    EIN 530115690 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Liquor Law Enforcement Association

    EIN 640777692 · Headquarters: INDIANA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. National Livestock Credit Corporation

    EIN 730369300 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Livestock Producers Association

    EIN 362195359 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. National Local Technical Assistance Program Association

    EIN 391735773 · Headquarters: Nashport, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. National Low Income Housing Policy Center

    EIN 521137799 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. National Lumber & Building Material Dealers Association

    EIN 530115720 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. National Lutheran Association on Scouting Inc

    EIN 222449980 · Headquarters: O Fallon, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Lutheran Choir Corp

    EIN 363490571 · Headquarters: EDINA, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Lutheran Secretariat

    EIN 411719170 · Headquarters: Flower Mound, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. National Lymphedema Network Inc

    EIN 943068338 · Headquarters: Point Pleasant, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Lyric Opera Co

    EIN 521123246 · Headquarters: SPRINGFIELD, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. National Maintenance Agreement Labor- Management Policy Committee

    EIN 521289622 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. National Management Assoc

    EIN 310965650 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. National Management Assoc

    EIN 510195937 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Management Assoc

    EIN 570892055 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. National Management Assoc

    EIN 586037327 · Headquarters: MARIETTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. National Management Assoc

    EIN 752027538 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. National Management Assoc

    EIN 756249981 · Headquarters: Richardson, TX, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  68. National Management Assoc

    EIN 760270922 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. National Management Assoc

    EIN 814710869 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Management Assoc

    EIN 943226741 · Headquarters: Sunnyvale, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Management Assoc

    EIN 956190285 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. National Management Assoc

    EIN 956225274 · Headquarters: Laguna Woods, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. National Management Assoc 525

    EIN 956092207 · Headquarters: Palmdale, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. National Management Association

    EIN 208580354 · Headquarters: New Orleans, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Management Association

    EIN 271354963 · Headquarters: Vandenberg, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Management Association

    EIN 475566368 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. National Management Association

    EIN 570933680 · Headquarters: North Augusta, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. National Management Association

    EIN 814008708 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. National Management Association

    EIN 943226743 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Management Association

    EIN 943226744 · Headquarters: Kings Bay, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Management Association 141

    EIN 382732470 · Headquarters: Detroit, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. National Management Association 145 Blues a Chapter

    EIN 383224618 · Headquarters: Lansing, MI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  83. National Management Association 546 Lockheed Msc

    EIN 311105558 · Headquarters: Cape Canaveral, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Marine Corps League Convention 2019 Inc

    EIN 823095309 · Headquarters: BILLINGS, MT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. National Marine Distributors Association Inc

    EIN 236416043 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. National Marine Educators Association

    EIN 050413784 · Headquarters: College Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. National Marine Electronics Association

    EIN 510137740 · Headquarters: Severna Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. National Marine Engineers' Beneficial Association

    EIN 136019223 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. National Marine Lenders Association

    EIN 311125373 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. National Marine Manufacturers Association

    EIN 362369301 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. National Marine Propeller Assoc Inc

    EIN 880299010 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  92. National Marine Representatives Assn

    EIN 363091270 · Headquarters: GURNEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  93. National Maritime Association Inc

    EIN 131951185 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. National Maritime Education Council Inc

    EIN 463210832 · Headquarters: Baton Rouge, LA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  95. National Maritime Historical Society

    EIN 526054478 · Headquarters: PEEKSKILL, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. National Maritime Museum of the Gulf of Mexico

    EIN 631102879 · Headquarters: MOBILE, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. National Maritime Safety Association Inc

    EIN 232119829 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. National Marriage Encounter

    EIN 310036032 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  99. National Marriage Encounter Incorporated

    EIN 371094911 · Headquarters: Urbandale, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Mary Potter Club Inc

    EIN 561541522 · Headquarters: oxford, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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