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 Campaign for Prevention of Child Abuse and Family Violence Dba NCC AFV

    EIN 954356014 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. American Camping Association Inc

    EIN 350962419 · Headquarters: MARTINSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. American Cancer Society Trust

    EIN 756198499 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. American Canyon Baseball Club

    EIN 463614439 · Headquarters: American Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. American Canyon Chamber of Commerce

    EIN 680322395 · Headquarters: AMERICAN CANYON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Canyon Lions Club

    EIN 942780287 · Headquarters: American Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. American Canyon Little League

    EIN 222501629 · Headquarters: AMERICAN CANYON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. American Canyon Moms Club

    EIN 462190889 · Headquarters: American Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. American Carbon Alliance

    EIN 923965111 · Headquarters: URBANDALE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Carbon Society

    EIN 237028656 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. American Cardiovascular Research Foundation Inc

    EIN 133456485 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. American Carnival Glass Association Inc

    EIN 550753889 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. American Catholic Group for Nicaragua Children Support Inc

    EIN 453419552 · Headquarters: MIAMI, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Catholic Historical Association

    EIN 526041154 · Headquarters: EMMITSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. American Catholic Historical Society

    EIN 236278542 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Catholic Lawyers Association

    EIN 223114257 · Headquarters: FAIRFIELD, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. American Catholic Philosophical Assoc

    EIN 530239094 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. American Catholic Press

    EIN 362755136 · Headquarters: SOUTH HOLLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Catholic Union

    EIN 680058379 · Headquarters: Richmond, CA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  20. American Catholics for Freedom Inc

    EIN 455233112 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. American Cave Conservation Association

    EIN 541173405 · Headquarters: HORSE CAVE, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. American Cement Association

    EIN 361638940 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. American Cemetery Association

    EIN 720632869 · Headquarters: Natchitoches, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Center

    EIN 474245571 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Center for Law and Public Safety Inc

    EIN 923143338 · Headquarters: MOUNTAIN BROOK, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Ceramic Circle Inc

    EIN 237154620 · Headquarters: Richmond, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. American Ceramic Society Inc

    EIN 311040399 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. American Ceramic Society Inc

    EIN 311040403 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. American Ceramic Society Inc

    EIN 311040431 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  30. American Ceramic Society Inc

    EIN 311040435 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. American Ceramic Society Inc

    EIN 311040448 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. American Ceramic Society Inc

    EIN 822416020 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. American Ceramic Society Inc

    EIN 822435073 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. American Ceramic Society Inc

    EIN 822519570 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  35. American Ceramic Society Inc

    EIN 830865118 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. American Ceramic Society Inc

    EIN 830872175 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. American Ceramic Society Inc

    EIN 832244177 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. American Ceramic Society Inc

    EIN 832288130 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. American Ceramic Society Inc

    EIN 851307085 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. American Ceramic Society Inc

    EIN 860890446 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. American Ceramic Society Inc

    EIN 911858628 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. American Ceramic Society Inc

    EIN 911858642 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. American Ceramic Society Inc

    EIN 911858673 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. American Ceramic Society Inc

    EIN 911858696 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  45. American Ceramic Society Inc

    EIN 911858706 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Ceramic Society Inc

    EIN 911858713 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. American Cetacean Society

    EIN 330543721 · Headquarters: San Pedro, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. American Cetacean Society

    EIN 330543724 · Headquarters: San Pedro, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  49. American Cetacean Society

    EIN 330543734 · Headquarters: San Pedro, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. American Cetacean Society

    EIN 330543735 · Headquarters: San Pedro, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. American Cetacean Society

    EIN 371701755 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Cetacean Society

    EIN 943356032 · Headquarters: San Pedro, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  53. American Cetacean Society Groups

    EIN 330000196 · Headquarters: Pacific Grove, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. American Chai Trust

    EIN 136130992 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. American Chamber Ensemble Inc

    EIN 112469852 · Headquarters: farmingdale, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. American Chamber of Commerce for Overseas Chinese Inc

    EIN 201432810 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. American Chamber of Commerce in France

    EIN 980000057 · Headquarters: PARIS, FC, FR · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. American Chamber of Commerce Inc

    EIN 510355823 · Headquarters: CLARKSTON, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. American Chamber Opera Company Inc

    EIN 133282274 · Headquarters: Lagrangeville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. American Chamber Opera Inc

    EIN 371656548 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. American Charitable Foundation

    EIN 363822910 · Headquarters: OMAHA, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. American Charities Foundation

    EIN 874070756 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. American Charity

    EIN 844671162 · Headquarters: los angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. American Charity Fund for Helping Children of Ukraine and Moldova Inc

    EIN 371766368 · Headquarters: VALLEY STREAM, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. American Chemcial Society

    EIN 056015333 · Headquarters: North Kingstown, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Chemical Soceity

    EIN 223035244 · Headquarters: WATKINS GLEN, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. American Chemical Soceity

    EIN 256063954 · Headquarters: State College, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Chemical Society

    EIN 016018642 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Chemical Society

    EIN 020607278 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Chemical Society

    EIN 036010542 · Headquarters: Shelburne, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Chemical Society

    EIN 046058432 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Chemical Society

    EIN 046167820 · Headquarters: Maumee, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Chemical Society

    EIN 066048676 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Chemical Society

    EIN 066068731 · Headquarters: Derby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Chemical Society

    EIN 136227602 · Headquarters: Tioga, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Chemical Society

    EIN 146030231 · Headquarters: Saratoga Springs, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Chemical Society

    EIN 146036156 · Headquarters: Highland, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Chemical Society

    EIN 156020738 · Headquarters: Potsdam, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Chemical Society

    EIN 166040423 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. American Chemical Society

    EIN 166050707 · Headquarters: Binghamton, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Chemical Society

    EIN 166052084 · Headquarters: Jamesville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Chemical Society

    EIN 208695151 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Chemical Society

    EIN 223032243 · Headquarters: Wichita Falls, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Chemical Society

    EIN 226056456 · Headquarters: Yardley, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Chemical Society

    EIN 226058517 · Headquarters: Princeton Junction, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Chemical Society

    EIN 226094606 · Headquarters: Galloway, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Chemical Society

    EIN 236297028 · Headquarters: Willamsport, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Chemical Society

    EIN 236298348 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Chemical Society

    EIN 236390704 · Headquarters: Allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Chemical Society

    EIN 237000013 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Chemical Society

    EIN 237014611 · Headquarters: Valdosta, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Chemical Society

    EIN 237034286 · Headquarters: Ruston, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Chemical Society

    EIN 237066379 · Headquarters: Ridgecrest, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Chemical Society

    EIN 237075387 · Headquarters: Orem, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Chemical Society

    EIN 237116797 · Headquarters: Longview, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Chemical Society

    EIN 237126985 · Headquarters: Duluth, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Chemical Society

    EIN 237144161 · Headquarters: Pensacola, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Chemical Society

    EIN 237145284 · Headquarters: Temple, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Chemical Society

    EIN 237189356 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Chemical Society

    EIN 237204477 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages