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. American Academy of Thermology

    EIN 541257087 · Headquarters: Greenville, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Academy of Underwater Sciences

    EIN 330083549 · Headquarters: MOBILE, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. American Academy of Veterinary Pharmacology & Therapeutics

    EIN 362967402 · Headquarters: Galesburg, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Accountability Foundation Action Inc

    EIN 934774398 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. American Accounting Association

    EIN 396030166 · Headquarters: Lakewood Ranch, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. American Accrediting Association of Theological Institutions Inc

    EIN 561383013 · Headquarters: Goldsboro, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Action Alliance

    EIN 333834185 · Headquarters: Mechanicsville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Action Voters Inc

    EIN 843877428 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Adoption Congress

    EIN 521150871 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Advancement

    EIN 824871132 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. American Advertising Federation - Louisville Inc

    EIN 616035160 · Headquarters: LOUISVILLE, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. American Advertising Federation - Third District

    EIN 581470012 · Headquarters: COLUMBIA, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Advertising Federation Baton Rouge

    EIN 720953030 · Headquarters: BATON ROUGE, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. American Advertising Federation Central Texas

    EIN 270947042 · Headquarters: LITTLE RIVER ACADEMY, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. American Advertising Federation Colorado Springs

    EIN 840727111 · Headquarters: Monument, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. American Advertising Federation Greater Rochester Inc

    EIN 166052115 · Headquarters: Rochester, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. American Advertising Federation Inc

    EIN 132581875 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. American Advertising Federation Mobile Bay Inc

    EIN 237415852 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Advertising Federation New Mexi

    EIN 856012938 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  20. American Advertising Federation North Alabama

    EIN 630966409 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Advertising Federation of Chattanooga

    EIN 621209732 · Headquarters: Chattanooga, TN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. American Advertising Federation of Des Moines

    EIN 421096421 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. American Advertising Federation of Joplin Inc

    EIN 810984849 · Headquarters: Joplin, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Advertising Federation of North Dakota

    EIN 450358957 · Headquarters: Fargo, ND, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. American Advertising Federation Palm Springs Desert Cities

    EIN 330428478 · Headquarters: Indio, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. American Advertising Federation Santa Barbara District 15

    EIN 383797638 · Headquarters: SANTA BARBARA, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. American Advertising Federation Topeka Inc

    EIN 481046265 · Headquarters: TOPEKA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. American Advertising Federation Tucson Inc

    EIN 860381678 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. American Advertising Federation- Cl

    EIN 340148450 · Headquarters: MEDINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. American Advertising Federation- Utah

    EIN 876121448 · Headquarters: Salt Lake City, UT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. American Advertising Federation-swfl

    EIN 841864724 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. American Aeronautical Foundation

    EIN 953794189 · Headquarters: Newbury Park, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  33. American Agenda

    EIN 813034642 · Headquarters: Cedar Hills, UT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  34. American Aging Association Inc

    EIN 237364654 · Headquarters: BANDERA, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American Agri-women

    EIN 382154410 · Headquarters: CROOKSTON, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. American Agri-women Foundation

    EIN 382155157 · Headquarters: Manhattan, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. American Agricultural Law Association

    EIN 421176051 · Headquarters: TOPEKA, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. American Agriculture Movement

    EIN 710525765 · Headquarters: Brownsville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. American Agriculture Movement Inc of Tennessee

    EIN 621071143 · Headquarters: Brownsville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Ai Culinary Association Inc

    EIN 392920488 · Headquarters: FLUSHING, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Air Mail Society

    EIN 256066186 · Headquarters: West Chatham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. American Air Museum in Britain

    EIN 521326048 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. American Airborne Association Inc

    EIN 522035008 · Headquarters: New Windsor, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. American Airlines DFW Recreation Committee

    EIN 752458888 · Headquarters: Fort Worth, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. American Airlines Employee Recreation Association Sro

    EIN 752433182 · Headquarters: DFW AIRPORT, TX, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  46. American Airlines Employees' Recreation Association of Illinois Inc

    EIN 363713974 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. American Airlines Hdq Employees Recreation Association

    EIN 752708378 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. American Airlines Inc Health Benefits Trust for Non-Union Employees

    EIN 752377856 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Airlines Inc Health Benefits Trust for Union Employees

    EIN 752377858 · Headquarters: Fort Worth, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Airlines Inc Ltd Plan Trust

    EIN 133031823 · Headquarters: Fort Worth, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. American Airlines Inc Supplemental Medical Benefits Trust (CBA)

    EIN 756497953 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Airlines Inc Supplemental Medical Benefits Trust(Post-Tax)

    EIN 756497954 · Headquarters: Fort Worth, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. American Airpower Heritage Foundation Inc

    EIN 742318005 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. American Airpower Museum Co Cockpit Cpt USA Llc

    EIN 113162087 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. American Albanian Law Enforcement Association Inc

    EIN 843040826 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Alcohol & Drug Information Foundation

    EIN 381818504 · Headquarters: LANSING, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Alliance Drug Testing Inc

    EIN 330686738 · Headquarters: UPLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. American Alliance for Financial Literacy Inc

    EIN 844565929 · Headquarters: Wrentham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Alliance for Health Physical Education Rec & Dance

    EIN 541756351 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Alliance for Health Physical Education Rec & Dance

    EIN 924003559 · Headquarters: Carson City, NV, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. American Alliance for Medical Cannabis

    EIN 452780770 · Headquarters: Arch Cape, OR, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. American Alliance for Professional Acupuncture and Safety

    EIN 811298608 · Headquarters: Hood River, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. American Alliance for Theatre and Education

    EIN 541376482 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. American Alliance of Orthopaedic Executives

    EIN 631042292 · Headquarters: Indianapolis, Indiana, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. American Alliance of Public Safety and Defense

    EIN 412558320 · Headquarters: DELAFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Amaranth Institute

    EIN 411600336 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Amateur Baseball Congress Inc

    EIN 381337830 · Headquarters: FARMINGTON, NM, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  68. American Amateur Press Association

    EIN 592272399 · Headquarters: Canby, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Ambulance Association

    EIN 060924858 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. American Amputee Hockey Association Inc

    EIN 043530307 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. American Amusement Machine Association

    EIN 363115424 · Headquarters: CARY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. American Amvets of World War Ii Amvets 0208

    EIN 046183748 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. American Angus Association

    EIN 440605539 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. American Angus Auxiliary

    EIN 436063358 · Headquarters: SAINT JOSEPH, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. American Animal Hospital Association

    EIN 351043944 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. American Antler Association Hunting Club Inc

    EIN 882096739 · Headquarters: Virginia Beach, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Apparel & Footwear Association

    EIN 530258503 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. American Arab and Muslim Political

    EIN 472823295 · Headquarters: DEARBORN, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Arab Chamber of Commerce

    EIN 383057964 · Headquarters: DEARBORN, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. American Arab Research Institute

    EIN 842470918 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  81. American Arabic Benevolent Association Inc

    EIN 237410495 · Headquarters: WEST ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. American Arabic Educational Foundation

    EIN 237423734 · Headquarters: Glendale, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. American Armenian Cultural Foundation

    EIN 954583397 · Headquarters: TUJUNGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. American Art Society of Cincinnati

    EIN 311110305 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Art Therapy Association

    EIN 352436953 · Headquarters: Kokomo, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Art Therapy Association

    EIN 363823033 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. American Art Therapy Association

    EIN 731196488 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Art Therapy Association

    EIN 911938082 · Headquarters: Santa Fe, NM, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. American Art Therapy Association Inc

    EIN 043438507 · Headquarters: Groveland, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. American Art Therapy Association Inc

    EIN 050522542 · Headquarters: Greensboro, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Art Therapy Association Inc

    EIN 061452871 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Art Therapy Association Inc

    EIN 204296129 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Art Therapy Association Inc

    EIN 223560603 · Headquarters: Teaneck, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Art Therapy Association Inc

    EIN 232963616 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Art Therapy Association Inc

    EIN 250825089 · Headquarters: Chattanooga, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Art Therapy Association Inc

    EIN 383389320 · Headquarters: Grand Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Art Therapy Association Inc

    EIN 411801829 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. American Art Therapy Association Inc

    EIN 421475965 · Headquarters: Decorah, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Art Therapy Association Inc

    EIN 431825252 · Headquarters: Belleville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Art Therapy Association Inc

    EIN 452500145 · Headquarters: Butte, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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