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 Huguenot Society

    EIN 016020744 · Headquarters: FARMINGTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Huguenot Society

    EIN 026015617 · Headquarters: Whitefield, NH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. National Huguenot Society

    EIN 141902309 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Huguenot Society

    EIN 236289221 · Headquarters: King of Prussia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Huguenot Society

    EIN 237094575 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Huguenot Society

    EIN 336041367 · Headquarters: Palm Springs, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  7. National Huguenot Society

    EIN 356051310 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Huguenot Society

    EIN 366135005 · Headquarters: Crystal Lake, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Huguenot Society

    EIN 476038390 · Headquarters: Bellevue, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Huguenot Society

    EIN 481092847 · Headquarters: Wentzville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Huguenot Society

    EIN 486119251 · Headquarters: Leavenworth, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Huguenot Society

    EIN 521861632 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. National Huguenot Society

    EIN 522046088 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. National Huguenot Society

    EIN 546059031 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Huguenot Society

    EIN 566062556 · Headquarters: Chapel Hill, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Huguenot Society

    EIN 596164892 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Huguenot Society

    EIN 616037011 · Headquarters: LOUISVILLE, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. National Huguenot Society

    EIN 626046757 · Headquarters: Ringgold, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Huguenot Society

    EIN 710530361 · Headquarters: Stuttgart, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Huguenot Society

    EIN 756044207 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Huguenot Society

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

  22. National Huguenot Society

    EIN 856011645 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. National Human Resources Association

    EIN 136171738 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Human Services Assembly

    EIN 131624112 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. National Hydropower Association Inc

    EIN 521339888 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. National IAM Benefit Trust Fund

    EIN 366562520 · Headquarters: Beltsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. National Ice Boat Authority

    EIN 366115530 · Headquarters: Little Suamico, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. National Ice Cream Mix Assoc Inc

    EIN 526054927 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. National Ice Hockey Officials Association Inc

    EIN 020350627 · Headquarters: MEDFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. National Immigration Forum

    EIN 131776711 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Immigration Litigation Alliance Inc

    EIN 844675622 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. National Incarcerated Parents and Families Network Inc

    EIN 900193544 · Headquarters: Harrisburg, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. National Independent Automobile Dealers Association Inc

    EIN 530227073 · Headquarters: ARLINGTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. National Independent Concessionaires Association I

    EIN 650404654 · Headquarters: BRANDON, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Independent Private Schools Association

    EIN 942940273 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. National Indian Council on Aging

    EIN 860321646 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Indian Health Board

    EIN 237226316 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. National Indian Justice Center

    EIN 680004000 · Headquarters: SANTA ROSA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. National Indian Youth Council Inc

    EIN 850168672 · Headquarters: Albuquerque, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. National Industrial Scale Association

    EIN 363646972 · Headquarters: RICE LAKE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Industrial Transportation League

    EIN 530115560 · Headquarters: DUNKIRK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. National Industries for the Blind

    EIN 135596799 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. National Industry and Administrative Fund

    EIN 521230076 · Headquarters: FAIRFAX, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. National Infantrymans Association

    EIN 471607400 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. National Information Officers Association Inc

    EIN 592973492 · Headquarters: Knoxville, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. National Infrastructure Alliance

    EIN 611731434 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. National Ins Recruiters Association

    EIN 371647544 · Headquarters: Richland Hills, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. National Institute for Aerospace Studies and Services Inc

    EIN 521672025 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. National Institute for Automotive Service Excellence

    EIN 520954597 · Headquarters: LEESBURG, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Institute for Electro Medical Information Inc

    EIN 112725581 · Headquarters: Nottingham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Institute for Fitness & Sport Inc

    EIN 311130407 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Institute for Learning Developm

    EIN 541506977 · Headquarters: Suffolk, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. National Institute for Parent Training and Child Development

    EIN 815262002 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. National Institute for Public Policy Inc

    EIN 541192424 · Headquarters: FAIRFAX, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. National Institute for Quality Health Care Inc

    EIN 541641253 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Institute for Reproductive Health Action Fund Inc

    EIN 132934132 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Institute for the Psychotherapies Training Institute

    EIN 132764717 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Institute for the Uniform Licensing of Power Engineers Inc

    EIN 061438819 · Headquarters: BRIDGEVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. National Institute for Truth and Freedom

    EIN 201222124 · Headquarters: Lone Tree, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. National Institute of BLACC Art

    EIN 933761982 · Headquarters: Melbourne, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. National Institute of Certified Floor Covering Inspectors

    EIN 010079176 · Headquarters: WILLOUGHBY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. National Institute of Chiropractic Research

    EIN 363568403 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. National Institute of Governmental Purchasing Inc

    EIN 201922690 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Institute of Governmental Purchasing Inc

    EIN 202020652 · Headquarters: Palm Coast, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Institute of Governmental Purchasing Inc

    EIN 300003613 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Institute of Governmental Purchasing Inc

    EIN 352052995 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. National Institute of Governmental Purchasing Inc

    EIN 530196623 · Headquarters: RESTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. National Institute of Governmental Purchasing Inc

    EIN 621407837 · Headquarters: Johnson City, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Institute of Governmental Purchasing Inc

    EIN 710860626 · Headquarters: LITTLE ROCK, AR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. National Institute of Governmental Purchasing Inc

    EIN 742884936 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Institute of Kinlein

    EIN 411401017 · Headquarters: ANCHORAGE, AK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. National Institute of Minority Economic Development

    EIN 561579041 · Headquarters: DURHAM, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. National Institute of Oilseed Products

    EIN 521900854 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. National Institute of Packaging Handling and Logistics Engineers

    EIN 526053188 · Headquarters: PERRY HALL, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. National Institute of Pension Administrators

    EIN 953867553 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. National Institute of Public Policy Support

    EIN 954650128 · Headquarters: Garden Grove, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  77. National Institute of Social Sciences

    EIN 136001542 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Institute of Steel Detailing Inc

    EIN 237062988 · Headquarters: SHELTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. National Institute of Women Engineers

    EIN 862984026 · Headquarters: ROCHESTER, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. National Institutes For Water Resources

    EIN 020449162 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. National Instruction and Advocacy Educational Services Inc

    EIN 852535037 · Headquarters: Chesterfield, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. National Insulation Association

    EIN 231573379 · Headquarters: HERNDON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. National Insurance Crime Bureau

    EIN 363776789 · Headquarters: Oak Brook, IL, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. National Integrative Health & Wellness Project Inc

    EIN 822304311 · Headquarters: New Meadows, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Intelligence Education Foundation Inc

    EIN 521392126 · Headquarters: BETHESDA, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Intercollegiate Rodeo Association

    EIN 911086652 · Headquarters: WALLA WALLA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. National Intercollegiate Rodeo Foundation

    EIN 911659631 · Headquarters: WALLA WALLA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. National Intercollegiate Soccer Officials Association

    EIN 231968208 · Headquarters: FORT WAYNE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. National Intercollegiate Soccer Officials Association Incorporated

    EIN 841033530 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. National Interest Action Inc

    EIN 993171872 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. National Interest Foundation

    EIN 822102967 · Headquarters: VIENNA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. National Interscholastic Athletic Administrators Association Inc

    EIN 431259311 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Interscholastic Swimming Coaches Association of America Inc

    EIN 113192617 · Headquarters: RICHMOND, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. National Interstate Council of State Boards of Cosmetology

    EIN 570529397 · Headquarters: MCCLEARY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. National Intramural-recreational Sports Association Inc

    EIN 237203564 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. National Introducing Brokers Association

    EIN 363782237 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. National Investor Relations Institute

    EIN 541758790 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. National Ironworkers and Employers Apprenticeship Training and Journeyman Upgrad

    EIN 521358405 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. National Islamic Committee on Girl Scouting Inc

    EIN 922863514 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Italian American Bar Assoc

    EIN 521465102 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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