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 Black Nurses Association Inc

    EIN 900296235 · Headquarters: Saint Paul, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Black Nurses Association Inc

    EIN 900546313 · Headquarters: COLUMBUS, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Black Nurses Association Inc

    EIN 990326777 · Headquarters: MILILANI, HI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. National Black Police Association Incorporated

    EIN 232388186 · Headquarters: LAVEROCK, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. National Black Pro Life Congress

    EIN 383687700 · Headquarters: Ypsilanti, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. National Black State Troopers Coalition

    EIN 731472521 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. National Black Womens Health Project Dba Black Womens Health Imperative

    EIN 581557556 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. National Black Womens Justice Institite Inc

    EIN 463198451 · Headquarters: Brooklyn, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. National Black Worker Center Project Inc

    EIN 474262220 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. National Bleeding Disorders Foundation

    EIN 135641857 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Block & Bridle Club

    EIN 237429564 · Headquarters: COLUMBIA, MO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. National Blood Testing Partners Inc

    EIN 874355712 · Headquarters: STONE MOUNTAIN, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. National Blue Ink Inc

    EIN 455280608 · Headquarters: Clermont, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  14. National Blue Star Mothers of America

    EIN 871116049 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Blue Star Mothers of America

    EIN 871769971 · Headquarters: Southport, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. National Board for Certification in Dental Laboratory Technologyinc

    EIN 541838928 · Headquarters: TALLAHASSEE, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. National Board for Certification in Hearing Instrument Sciences

    EIN 860468666 · Headquarters: FARMINGTON, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. National Board for Certification in Occupational Therapy Inc

    EIN 521620299 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. National Board for Certification of Orth

    EIN 363335089 · Headquarters: SYRACUSE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. National Board for Certification of Orthopedic Physician Assistants

    EIN 930751514 · Headquarters: Missouri City, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Board For Certification Of School Nurses

    EIN 521747996 · Headquarters: Mount Laurel, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. National Board for Certified Counselors Inc

    EIN 582085335 · Headquarters: GREENSBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. National Board for Health & Wellness Coaching Inc

    EIN 815064011 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. National Board for Respiratory Care Inc

    EIN 480813228 · Headquarters: Overland Park, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. National Board of Boiler and Pressure Vessel Inspectors

    EIN 314262510 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. National Board of Chiropractic Examiners

    EIN 746069951 · Headquarters: GREELEY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. 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

  28. National Board of Echocardiography Inc

    EIN 562000084 · Headquarters: RALEIGH, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. National Board of Nutrition Support Certification Inc

    EIN 521946325 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. National Board of Podiatric Medical Examiners

    EIN 440663070 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Board of Review of Motion Pictures Inc

    EIN 135596800 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. National Board of Surgical Technology and Surgical Assisting

    EIN 841209865 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. National Bohemian Cemetery Association

    EIN 470491310 · Headquarters: Prague, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Bond Claims Association

    EIN 363754616 · Headquarters: CHERRY HILL, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Book Foundation Inc

    EIN 133347524 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. National Bowhunter Education Foundation Inc

    EIN 953605758 · Headquarters: RAPID CITY, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Bowling Association Junior Program & Scholarship Program Inc

    EIN 133028697 · Headquarters: Antioch, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. National Brain Tumor Society Inc

    EIN 043068130 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. National Breast Cancer Coalition

    EIN 232693372 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. National Brittany Open Grouse Championship Association

    EIN 383473979 · Headquarters: GREENVILLE, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Broadcasting Society Alpha Epsilon Rho

    EIN 237320643 · Headquarters: Chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. National Building Blocks Corporation

    EIN 237135034 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Building Enclosure Training Fund

    EIN 383215514 · Headquarters: SOUTHFIELD, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Bulk Vendors Association

    EIN 363287056 · Headquarters: CRYSTAL LAKE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Bus Traffic Association

    EIN 361521425 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Business Association Inc

    EIN 752246924 · Headquarters: CARROLLTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. National Business Aviation Association

    EIN 521633654 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Business Travel Association

    EIN 161427510 · Headquarters: Williamsville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Business Travel Association

    EIN 233072462 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. National Business Travel Association

    EIN 841020410 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. National Business Travel Association

    EIN 901502236 · Headquarters: North Caldwell, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Business Travel Association Inc

    EIN 050533777 · Headquarters: GLEN ALLEN, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Business Travel Association Inc

    EIN 061477324 · Headquarters: Terryville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National Business Travel Association Inc

    EIN 411586932 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. National Business Travel Association Inc

    EIN 421579045 · Headquarters: Memphis, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. National Business Travel Association Inc

    EIN 431485295 · Headquarters: KANSAS CITY, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Business Travel Association Inc

    EIN 521764399 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. National Business Travel Association Inc

    EIN 521938003 · Headquarters: Clearwater, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. National Business Travel Association Inc

    EIN 592877610 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. National Business Travel Association Inc

    EIN 621628416 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Business Travel Association Inc

    EIN 742664824 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. National Button Society

    EIN 396050508 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. National Cable Television Institute Incorporated

    EIN 840717077 · Headquarters: EDINA, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Campaign for a Peace Tax Fund

    EIN 521039543 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. National Campers & Hikers Association of Indiana

    EIN 237316441 · Headquarters: Rensselaer, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Campers & Hikers Association Scholarship Inc

    EIN 237071969 · Headquarters: Cheektowaga, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. National Campers and Hikers Assoc - Humble Wildcatters

    EIN 274259906 · Headquarters: Humble, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. National Campers and Hikers Association of Delaware

    EIN 237104076 · Headquarters: Viola, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. National Campers and Hikers Wildlife Refuge Inc

    EIN 222136595 · Headquarters: Cheektowaga, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. National Camping Travelers Inc

    EIN 237203261 · Headquarters: North Stoniington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. National Camping Travelers Mass 1 Chapter 9

    EIN 222543825 · Headquarters: Rehoboth, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. National Campus Ministry Association Inc

    EIN 251700572 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. National Campus Violence Reduction Initiative

    EIN 273439758 · Headquarters: Montclair, CA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  74. National Campvention of the Deaf Inc

    EIN 300342557 · Headquarters: Hugoton, KS, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. National Cancer Awareness Foundation

    EIN 020522300 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  76. National Cancer Registrars Associat

    EIN 237451671 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. National Cancer Support Foundation

    EIN 843048378 · Headquarters: Pompton Lakes, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. National Cancer Survivors Day Foundation

    EIN 621560215 · Headquarters: FRANKLIN, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. National Candle Association

    EIN 510187148 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. National Cannabis Industry Assoc

    EIN 823172198 · Headquarters: GRANDVIEW HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  81. National Capital Area Chapter of the Gesneriad Society

    EIN 263408272 · Headquarters: Midlothian, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Capital Area Council Boy Scouts of America

    EIN 530204610 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. National Capital Area Garden Clubs Environmental Consultants Council

    EIN 273509112 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. National Capital Area Lhasa Apso Club

    EIN 237108266 · Headquarters: HUNTINGTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Capital Area Paralegal Association

    EIN 521041959 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. National Capital Area Skeptics

    EIN 521522327 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Capital Area Square Dance Leaders Association Inc

    EIN 526056370 · Headquarters: HOLLYWOOD, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Capital Astronomers

    EIN 521129165 · Headquarters: DAVIDSONVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. National Capital B'nai B'rith Housing Foundation Inc

    EIN 521063283 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. National Capital Chapter BMW Car Club of America Inc

    EIN 521697771 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. National Capital Chapter of the American Concrete Institute Inc

    EIN 521152741 · Headquarters: CATONSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  92. National Capital Chapter of the Society of Financial Service Profe

    EIN 526072927 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. National Capital Chesapeake Bay Chapter of the Natas

    EIN 521076582 · Headquarters: RESTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. National Capital Club Managers' Assoc

    EIN 521983728 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. National Capital Daylily Club

    EIN 521671661 · Headquarters: ALEXANDRIA, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. National Capital English Setter Club

    EIN 521688203 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Capital Foundation for Homecrest House

    EIN 521517016 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. National Capital Gift Planning Council Inc

    EIN 521540518 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. National Capital Law League

    EIN 526060458 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. National Capital Orchid Society

    EIN 521187971 · Headquarters: BROOKEVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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