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 Chemical Society

    EIN 736098473 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. American Chemical Society

    EIN 736103535 · Headquarters: Bartlesville, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Chemical Society

    EIN 741865506 · Headquarters: College Station, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Chemical Society

    EIN 746045012 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. American Chemical Society

    EIN 746047345 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Chemical Society

    EIN 746052070 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Chemical Society

    EIN 746060228 · Headquarters: Edinburg, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Chemical Society

    EIN 746062835 · Headquarters: Beaumont, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Chemical Society

    EIN 756036777 · Headquarters: Amarillo, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Chemical Society

    EIN 756038078 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Chemical Society

    EIN 756039531 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Chemical Society

    EIN 816013713 · Headquarters: Belgrade, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Chemical Society

    EIN 826006773 · Headquarters: Pocatello, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Chemical Society

    EIN 836004916 · Headquarters: LARAMIE, WY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Chemical Society

    EIN 850290728 · Headquarters: Odessa, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Chemical Society

    EIN 866051139 · Headquarters: Surprise, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Chemical Society

    EIN 866052036 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Chemical Society

    EIN 871858708 · Headquarters: Alva, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Chemical Society

    EIN 886004453 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Chemical Society

    EIN 886008127 · Headquarters: Reno, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Chemical Society

    EIN 916054074 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Chemical Society

    EIN 916054075 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Chemical Society

    EIN 916055305 · Headquarters: PULLMAN, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Chemical Society

    EIN 916058517 · Headquarters: Cheney, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Chemical Society

    EIN 931227209 · Headquarters: Ventura, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Chemical Society

    EIN 936033730 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Chemical Society

    EIN 936034605 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. American Chemical Society

    EIN 942883957 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Chemical Society

    EIN 954748180 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Chemical Society

    EIN 956195919 · Headquarters: San Bernardino, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Chemical Society

    EIN 956195920 · Headquarters: Placentia, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Chemical Society

    EIN 990198516 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. AMERICAN CHEMICAL SOCIETY Catalysis Science & Technology Div

    EIN 264558886 · Headquarters: Lawrence, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. American Chemical Society De Section

    EIN 516015899 · Headquarters: MONTCHANIN, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. American Chemical Society Dept of Chem Univ of Utah

    EIN 870462771 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. American Chemical Society Division of Biological Chemistry

    EIN 166052562 · Headquarters: WEST LAFAYETTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. American Chemical Society Division of Chemical

    EIN 521124367 · Headquarters: PITTSBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. AMERICAN CHEMICAL SOCIETY Division of Computers in Chemistry (COMP)

    EIN 237277677 · Headquarters: Nashville, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. American Chemical Society Division of Environmental Chemistry

    EIN 251371759 · Headquarters: CANTON, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. AMERICAN CHEMICAL SOCIETY Division of Fluorine Chemistry (FLUO)

    EIN 636155263 · Headquarters: Allentown, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. American Chemical Society Division of Medicinal Chemistry

    EIN 136211920 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Chemical Society Division of Physical Chemistry

    EIN 381689940 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Chemical Society Georgia Section

    EIN 586043590 · Headquarters: Lawrenceville, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Chemical Society History of Chemistry Div U of Il

    EIN 526055746 · Headquarters: URBANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. American Chemical Society Kansas City Section

    EIN 440132880 · Headquarters: SAINT JOSEPH, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Chemical Society Midland

    EIN 386076239 · Headquarters: Midland, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Chemical Society Nc Section

    EIN 566049892 · Headquarters: Chapel Hill, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. American Chemical Society North Jersey

    EIN 226033933 · Headquarters: Westfield, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. American Chemical Society Professional Division

    EIN 521601505 · Headquarters: Atlanta, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. American Chemical Society Silicon Valley Section

    EIN 946077831 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. American Chemistry Council

    EIN 530104410 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Chestnut Cooperators Foundation Inc

    EIN 550669004 · Headquarters: Christiansburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Chestnut Council Inc

    EIN 382787562 · Headquarters: Muskegon, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. American Chianina Association Inc

    EIN 237176515 · Headquarters: PLATTE CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. American Childhood Cancer Organizat

    EIN 521071826 · Headquarters: KENSINGTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. American Chinese Culinary Federation - Michigan

    EIN 473619828 · Headquarters: Ann Arbor, MI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  57. American Chinese Martial Arts Federation

    EIN 770149907 · Headquarters: Hacienda Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Chinese Pharmaceutical Association

    EIN 232575771 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Chinese School Inc

    EIN 830403420 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. American Chinese Sports Association

    EIN 262254191 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Chinese United Association-Florida Chapter

    EIN 881724350 · Headquarters: miramar, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Chinese Young Entrepreneur Entrepreneurs Association Inc

    EIN 320435558 · Headquarters: FLUSHING, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  63. American Chiropractic Association- Council on Pediatrics

    EIN 203464057 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. American Chiropractic College of Radiology

    EIN 460352566 · Headquarters: ACWORTH, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. American Chiropractic Registry of Radiologic Techn

    EIN 382437605 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. American Chongqing General Chamber of Commerce

    EIN 922241746 · Headquarters: Arcadia, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. American Christian Academy

    EIN 581962130 · Headquarters: Tuscaloosa, AL, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. American Christian Academy

    EIN 941716655 · Headquarters: Anderson, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. American Christian Association

    EIN 471558647 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. American Christian Enterprises Inc

    EIN 943002872 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. American Christian Fiction Writers Inc

    EIN 274249402 · Headquarters: Elk Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. American Christian Fiction Writers Inc

    EIN 931628358 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Christian Fiction Writers Inc

    EIN 995016199 · Headquarters: Locust, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Christian History Institute Inc

    EIN 941664240 · Headquarters: Mishawaka, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. American Christian Ministries

    EIN 236643771 · Headquarters: Collegedale, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. American Christian Reserve Inc

    EIN 200868675 · Headquarters: Mount Pleasant, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. American Christian School

    EIN 221772109 · Headquarters: Rockaway, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. American Cinema Editors Inc

    EIN 952111604 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Cinematography for the Arts Inc

    EIN 843265086 · Headquarters: Miami, FL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. American Citizens Against Terrorism Inc

    EIN 812950467 · Headquarters: BOHEMIA, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  81. American Citizens Club for Polish Descendents

    EIN 020103580 · Headquarters: Newmarket, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. American Citizens for Justice Inc

    EIN 382557738 · Headquarters: WESTLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. American Civic Association Inc

    EIN 043109868 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  84. American Civic Association Inc

    EIN 150539034 · Headquarters: Binghamton, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. American Civil Liberties Union

    EIN 133871360 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. American Civil Liberties Union

    EIN 237093412 · Headquarters: MONTGOMERY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. American Civil Liberties Union

    EIN 237095474 · Headquarters: CHARLESTON, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. American Civil Liberties Union

    EIN 640509917 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. American Civil Liberties Union

    EIN 720604244 · Headquarters: NEW ORLEANS, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Civil Liberties Union Foundation of Delaware Inc

    EIN 510220856 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. American Civil Liberties Union Foundation of Florida Inc

    EIN 237137529 · Headquarters: MIAMI, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Civil Liberties Union Foundation of Northern California Inc

    EIN 940279770 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. American Civil Liberties Union Foundation of Rhode Island Inc

    EIN 237039364 · Headquarters: PROVIDENCE, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. American Civil Liberties Union Foundation of Vermont Inc

    EIN 237123046 · Headquarters: Montpelier, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. American Civil Liberties Union Foundation of Virginia

    EIN 521283242 · Headquarters: Richmond, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Civil Liberties Union Fund of Michigan

    EIN 237243421 · Headquarters: DETROIT, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. American Civil Liberties Union Fund of the District of Columbia

    EIN 526070446 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. American Civil Liberties Union Inc

    EIN 810431527 · Headquarters: MISSOULA, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. American Civil Liberties Union of Alaska

    EIN 920126141 · Headquarters: ANCHORAGE, AK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. American Civil Liberties Union of Arizona

    EIN 860205157 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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