Unknown & Unclassified nonprofits in Missouri

Unknown & Unclassified nonprofits in Missouri. Browse 15,780 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 436072496 · Headquarters: Rolla, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Chemical Society

    EIN 436079394 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Chemical Society

    EIN 611561711 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. 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

  5. American Chianina Association Inc

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

  6. American Civil Liberties Union of Missouri Foundation

    EIN 436070952 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American College of Cardiology Oklahoma Chapter Inc

    EIN 731473474 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American College of Dentists Inc

    EIN 521384716 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American College of Physicians

    EIN 421278121 · Headquarters: Jefferson City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American College of Physicians District of Columbia Chapter

    EIN 521592504 · Headquarters: JEFFERSON CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. American Contract Bridge League of Greater St Louis

    EIN 436045233 · Headquarters: Saint Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. American Council of Engineering Companies of Missouri

    EIN 430813170 · Headquarters: JEFFERSON CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 436073611 · Headquarters: WARRENSBURG, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. American Dance Troupe

    EIN 431269413 · Headquarters: Chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. American Dental Assistants Assn Greater St Louis Society

    EIN 237026428 · Headquarters: Lake Tapawingo, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. American Dental Assistants Association

    EIN 237027094 · Headquarters: BLUE SPRINGS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. American Dental Assistants Association

    EIN 430820256 · Headquarters: BLUE SPRINGS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Dorper Sheep Breeders' Society

    EIN 421448042 · Headquarters: HALLSVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. American Dream Foundation Inc

    EIN 454171113 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. American Federation of Government Employees

    EIN 237252083 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. American Federation of Government Employees

    EIN 237271265 · Headquarters: Columbia, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. American Federation of Government Employees

    EIN 237370993 · Headquarters: POPLAR BLUFF, MO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. American Federation of Government Employees

    EIN 300494277 · Headquarters: Monett, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Federation of Government Employees

    EIN 431492576 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. American Federation of Government Employees

    EIN 431853186 · Headquarters: Kansas City, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Federation of Government Employees

    EIN 436049290 · Headquarters: Whiteman AFB, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. American Federation of Government Employees

    EIN 436050193 · Headquarters: Poplar Bluff, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. American Federation of Government Employees

    EIN 436057322 · Headquarters: Nixa, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Federation of Government Employees

    EIN 436100237 · Headquarters: Fort Leonard Wood, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. American Federation of Government Employees

    EIN 436100299 · Headquarters: Overland, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. American Federation of Labor & Congress of Industrial Orgs

    EIN 020564732 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Federation of Labor & Congress of Industrial Orgs

    EIN 430728432 · Headquarters: Jefferson City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Federation of Labor & Congress of Industrial Orgs

    EIN 430908434 · Headquarters: SAINT JOSEPH, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Federation of Labor & Congress of Industrial Orgs

    EIN 430908490 · Headquarters: SAINT JOSEPH, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Federation of Labor & Congress of Industrial Orgs

    EIN 431263405 · Headquarters: Fulton, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Federation of Labor & Congress of Industrial Orgs

    EIN 440185905 · Headquarters: SPRINGFIELD, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Federation of Labor and Congress of Industrial Organizations

    EIN 430634852 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. American Federation of Labor and Congress of Industrial Orgs

    EIN 436065747 · Headquarters: Cape Girardeau, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Federation of Musicians of the US & Canada

    EIN 440150378 · Headquarters: Kansas City, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. American Federation of State County & Municipal Employees

    EIN 260093975 · Headquarters: Annapolis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Federation of State County & Municipal Employees

    EIN 371187807 · Headquarters: UNIVERSITY CY, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Federation of State County & Municipal Employees

    EIN 371234178 · Headquarters: PERRYVILLE, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Federation of State County and Municipal Employees Local 500

    EIN 440661737 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Federation of Teachers

    EIN 300843767 · Headquarters: Bridgeton, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Federation of Teachers

    EIN 371291495 · Headquarters: Florissant, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. American Federation of Teachers

    EIN 431607944 · Headquarters: Saint Peters, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Federation of Teachers

    EIN 436049553 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American Federation of Teachers

    EIN 440663395 · Headquarters: Kansas City, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Federaton of Musicians Local 2-197

    EIN 430427342 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. American Fisheries Society

    EIN 237097043 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Foundry Society

    EIN 436099391 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Foundry Society

    EIN 436099392 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. American Guild of Organists

    EIN 436050194 · Headquarters: Rocheport, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. American Guild of Organists

    EIN 436052761 · Headquarters: Lebanon, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. American Guild of Organists

    EIN 510232588 · Headquarters: Palmyra, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Guild of Organists Ago

    EIN 431122021 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Guild of Organists Ago

    EIN 436050023 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Hampshire Sheep Association

    EIN 420794027 · Headquarters: SEDALIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. American Harp Society

    EIN 272704272 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Hereford Association

    EIN 440547734 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. American Heritage Music Foundation Inc

    EIN 753189792 · Headquarters: Wappapello, MO, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  62. American Immigration Lawyers Association

    EIN 911911192 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. American Independent Cockpit Alliance

    EIN 020464582 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  64. American Indian Council Inc

    EIN 431037471 · Headquarters: NORTH KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. American Indian Enterprise & Business Council

    EIN 454057952 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. American Industrial Hygiene Association

    EIN 431230502 · Headquarters: LAKE SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Industrial Hygiene Association Mid America

    EIN 237431665 · Headquarters: Blue Springs, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Inn of Court Foundation

    EIN 900618031 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Inns of Court Foundation

    EIN 208989469 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. American Institute of Aeronautics and Astronautics

    EIN 431509856 · Headquarters: Lake St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Institute of Aeronautics and Astronautics

    EIN 436072497 · Headquarters: Rolla, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. American Institute of Architects Kansas City Chapter

    EIN 436039478 · Headquarters: Kansas City, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. American Institute of Architects St Louis Chapter

    EIN 430720335 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. American Institute of Chemical Engineers

    EIN 237424920 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Institute of Chemical Engineers

    EIN 510249175 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Institute of Graphic Arts

    EIN 431516500 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Institute of Musical Studies

    EIN 751360233 · Headquarters: Kansas City, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. American International Charolais Association

    EIN 741294627 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Iris Society

    EIN 431912649 · Headquarters: California, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Killifish Association Inc

    EIN 237449848 · Headquarters: Chesterfield, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. American Legion

    EIN 203718208 · Headquarters: Blue Springs, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 237408155 · Headquarters: Gladstone, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 301351400 · Headquarters: Licking, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 430669435 · Headquarters: PERRYVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. American Legion

    EIN 430897572 · Headquarters: Higginsville, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Legion

    EIN 430906129 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 430994269 · Headquarters: MALDEN, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. American Legion

    EIN 431298930 · Headquarters: NAYLOR, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. American Legion

    EIN 431308491 · Headquarters: Charleston, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 431313936 · Headquarters: Graham, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 431328752 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 431350660 · Headquarters: Tipton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 431485510 · Headquarters: Bloomfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 431536471 · Headquarters: Holden, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 431711429 · Headquarters: House Springs, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 431759973 · Headquarters: Florissant, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. American Legion

    EIN 431837452 · Headquarters: Milan, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 431856468 · Headquarters: Pineville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 431900188 · Headquarters: Queen City, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 436034237 · Headquarters: MACON, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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