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. Alpha Nu Chapter of Pi Kappa Alpha Inc

    EIN 431611057 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Alpha Omega Alpha Honor Medical Society

    EIN 436051581 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Alpha Omega Alpha Honor Medical Society St Louis

    EIN 436073633 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Alpha Omicron Pi Fraternity Inc

    EIN 300534293 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  5. Alpha Omicron Pi Fraternity Inc

    EIN 300553478 · Headquarters: Wildwood, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Alpha Phi International Fraternity

    EIN 371011792 · Headquarters: CHESTERFIELD, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Alpha Phi Omega

    EIN 203782973 · Headquarters: Saint Charles, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Alpha Phi Omega

    EIN 431107853 · Headquarters: Kirksville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Alpha Phi Omega

    EIN 431634437 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. Alpha Phi Omega

    EIN 431777384 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Alpha Phi Omega

    EIN 436050127 · Headquarters: Kirksville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Alpha Phi Omega

    EIN 436050334 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Alpha Phi Omega

    EIN 436064505 · Headquarters: CPE GIRARDEAU, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Alpha Phi Omega

    EIN 436064512 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Alpha Phi Omega

    EIN 824908118 · Headquarters: ARNOLD, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Alpha Phi Omega Endowment Inc

    EIN 510246311 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Alpha Phi Omega Gamma Xi

    EIN 436052130 · Headquarters: KANSAS CITY, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Alpha Phi Omega University of Missouri Alumni Association

    EIN 464532483 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Alpha Pi Chi National Sorority Inc

    EIN 431656441 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Alpha Pi Mu Association

    EIN 237304883 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Alpha Psi Alumni Association of Theta Xi Fraternity

    EIN 510176134 · Headquarters: FENTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. Alpha Psi Chapter of Pi Kappa Phi Inc

    EIN 351780304 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Alpha Sigma Alpha Alumni Assoc

    EIN 440626476 · Headquarters: Springfield, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Alpha Sigma Alpha Sorority

    EIN 237055230 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Alpha Sigma Alpha Sorority

    EIN 831112192 · Headquarters: Carthage, MO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Alpha Xi Delta Building Corporation of Cape Girardeau Missouri

    EIN 464722435 · Headquarters: Jackson, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Alpha Xi of Zbt Corp

    EIN 431685710 · Headquarters: TOWN AND COUNTRY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Alpha Zeta Omega Phamaceutical Fraternity

    EIN 455545891 · Headquarters: Valley Park, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Alpha-delta Zeta Alumni Association Inc

    EIN 871011903 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Alpheus M Bowman Jr Trust

    EIN 546059288 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. Alsa Inc

    EIN 465342598 · Headquarters: Saint Peters, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Alternatives to Violence Project USA Inc

    EIN 912089933 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Althouse Foundation

    EIN 236461059 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Alton Garrison Ministries Inc

    EIN 751597782 · Headquarters: Ozark, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Alton Smith Cemeteries Trust Fund

    EIN 431293115 · Headquarters: WEST PLAINS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Alton Thayer Elks Lodge 2545

    EIN 431072080 · Headquarters: Thayer, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Altrusa International Foundation In

    EIN 262520415 · Headquarters: POPLAR BLUFF, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Altrusa International Foundation Inc

    EIN 431399770 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Altrusa International Foundation Inc

    EIN 431447085 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Altrusa International Inc

    EIN 364818356 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Altrusa International Inc

    EIN 431131615 · Headquarters: Mexico, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Altrusa International Inc

    EIN 431206872 · Headquarters: SIKESTON, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Altrusa International Inc

    EIN 473773872 · Headquarters: SIKESTON, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Altrusa International Inc of Poplar Bluff

    EIN 436041727 · Headquarters: POPLAR BLUFF, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Altrusa International of Dexter Mo Inc

    EIN 811398907 · Headquarters: Dexter, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Alumni Association of the Lutheran School of Nursing St Louis Mo

    EIN 436042694 · Headquarters: Chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Alvin Goldfarb Foundation

    EIN 431621937 · Headquarters: Saint Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Am Mission Flshp Jc Green Fd Td

    EIN 236216529 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  49. Amalgamated Transit Union

    EIN 440149570 · Headquarters: Springfield, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Amalgamated Transit Union

    EIN 440233300 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Amalgamated Transit Union Division 788

    EIN 430157280 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  52. Amalgamated Transit Union Local No 1287

    EIN 440467585 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Amanda a Baum Tr Fbo Cocalico Xxx-xx-xxxx

    EIN 376492531 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Amanda a Baum Tr Fbo Ephrata Xxx-xx-xxxx

    EIN 376492530 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Amateur Atheltic Union of the United States

    EIN 900520622 · Headquarters: Cape Girardeau, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Amateur Athletic Union of the United States

    EIN 364692413 · Headquarters: Lebanon, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Amateur Athletic Union of the United States

    EIN 371498635 · Headquarters: desoto, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Amateur Athletic Union of the United States

    EIN 453601503 · Headquarters: Saint Charles, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Amateur Athletic Union of the United States Inc

    EIN 831862086 · Headquarters: Pacific, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Amateur Athletic Union of the United States Inc

    EIN 842805937 · Headquarters: Carl Junction, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Amateur Hockey Association of Missouri

    EIN 431423710 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Ambassador City Network

    EIN 923695834 · Headquarters: Valley Park, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Ambassadors of Hope

    EIN 810568547 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Amer Fed of Labor & Joplin Bct Council-bldg Trades

    EIN 237029362 · Headquarters: JOPLIN, MO, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  65. Ameren Health and Welfare Trust

    EIN 043294359 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Ameren Management Health Trust

    EIN 043294272 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. American Academy of Family Physicians

    EIN 436064514 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Academy of Matrimonial Lawyers

    EIN 363014301 · Headquarters: Lees Summit, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Academy of Optometry Heart of America Chapter

    EIN 332766466 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Academy of Pediatrics Missouri Chapter

    EIN 431561857 · Headquarters: JEFFERSON CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. 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

  72. American Amaranth Institute

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

  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 Association of Bioanalysts

    EIN 946114214 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. American Association of Grain Inspection & Weighing Agencies

    EIN 470629529 · Headquarters: Liberty, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. American Association of Orthodontists

    EIN 430763598 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. American Association of University Professors

    EIN 320052265 · Headquarters: springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. American Association of University Women

    EIN 237133467 · Headquarters: Manchester, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Association of University Women

    EIN 431504215 · Headquarters: Boonville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Association of University Women

    EIN 436037074 · Headquarters: Ballwin, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Association of University Women

    EIN 436048944 · Headquarters: St Peters, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Association of University Women

    EIN 436048949 · Headquarters: Nevada, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Association of University Women

    EIN 436049256 · Headquarters: Loma Linda, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Association of University Women

    EIN 436050326 · Headquarters: Lees Summit, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Association of University Women

    EIN 436051586 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Association of University Women

    EIN 436100347 · Headquarters: Canton, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. American Association of University Women

    EIN 436100352 · Headquarters: Florissant, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Association of University Women

    EIN 440307208 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Association of University Women

    EIN 521239790 · Headquarters: Chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Association of University Women of the Parkville Branch

    EIN 436051565 · Headquarters: Pleasant Valley, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Association of Zoo Keepers

    EIN 020627752 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Association of Zoo Keepers

    EIN 431557875 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Association of Zoo Keepers

    EIN 814533250 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Association of Zoo Keepers

    EIN 820585087 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Benedictine Review Inc

    EIN 480821529 · Headquarters: Clyde, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. American Board of Nuclear Medicine

    EIN 132690306 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. American Board of Orthodontics

    EIN 916029544 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. American Brittany Club Inc

    EIN 237358441 · Headquarters: st louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. American Brittany Club Inc

    EIN 371153542 · Headquarters: friedheim, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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