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. Historical Society of New Santa Fe

    EIN 431113526 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Historical Society of North German Settlements in Western New York

    EIN 237181662 · Headquarters: Niagara Falls, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Historical Society of Ocean Grove Nj Inc

    EIN 237098995 · Headquarters: OCEAN GROVE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Historical Society of Ogden Dunes Indiana Inc

    EIN 351818823 · Headquarters: Ogden Dunes, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Historical Society of Old Brooklyn

    EIN 341524982 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Historical Society of Old Yarmouth Inc

    EIN 046071666 · Headquarters: YARMOUTH PORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Historical Society of Palm Desert

    EIN 953326699 · Headquarters: PALM DESERT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Historical Society of Pennsylvania

    EIN 231352322 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Historical Society of Polk County Missouri Inc

    EIN 431236049 · Headquarters: Bolivar, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Historical Society of Quaker Hill and Pawling Inc

    EIN 237154237 · Headquarters: Pawling, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Historical Society of Quincy & Adams County Endowment Fund

    EIN 371124324 · Headquarters: QUINCY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Historical Society of Ravenna

    EIN 470675947 · Headquarters: Ravenna, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Historical Society of Saginaw County

    EIN 382119592 · Headquarters: SAGINAW, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Historical Society of Santuit and Cotuit

    EIN 237177654 · Headquarters: COTUIT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Historical Society of Sarasota County

    EIN 596169574 · Headquarters: Sarasota, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Historical Society of Saratoga Springs

    EIN 146029881 · Headquarters: SARATOGA SPRINGS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Historical Society of Scotch Plains & Fanwood

    EIN 237371288 · Headquarters: Scotch Plains, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Historical Society of Shawangunk & Gardiner

    EIN 222358206 · Headquarters: WALLKILL, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Historical Society of Smithfield

    EIN 050502951 · Headquarters: Smithfield, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Historical Society of South San Francisco Inc

    EIN 942714976 · Headquarters: South San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Historical Society of St Clair Shores

    EIN 382407589 · Headquarters: st clair shores, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Historical Society of St Marys & Benzinger Township

    EIN 237305483 · Headquarters: Saint Marys, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Historical Society of Temple City

    EIN 954111584 · Headquarters: TEMPLE CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Historical Society of the Blairsville Area

    EIN 251528417 · Headquarters: Blairsville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Historical Society of the Merricks

    EIN 510175087 · Headquarters: Merrick, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Historical Society of the Rockaways

    EIN 510184234 · Headquarters: Rockaway, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Historical Society of the Tonawandas Inc

    EIN 237131664 · Headquarters: TONAWANDA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Historical Society of the Town of Clarence

    EIN 161379612 · Headquarters: CLARENCE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Historical Society of the Town of Hancock Maine

    EIN 010369079 · Headquarters: HANCOCK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Historical Society of the Town of Hopewell Inc

    EIN 161517288 · Headquarters: MANCHESTER, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Historical Society of the Town of Olive C O Frank E Becker

    EIN 141593701 · Headquarters: WEST HURLEY, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Historical Society of the Township of Chatham

    EIN 510139992 · Headquarters: CHATHAM, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Historical Society of the United States Courts in the Eighth Circui

    EIN 363518422 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Historical Society of the United States Courts in the Eighth Circui

    EIN 363518423 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Historical Society of the United States Courts in the Eighth Circui

    EIN 363518424 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Historical Society of the United States Courts in the Eighth Circui

    EIN 363518425 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Historical Society of the United States Courts in the Eighth Circui

    EIN 363518427 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Historical Society of the United States Courts in the Eighth Circui

    EIN 421297332 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Historical Society of the United States Courts in the Eighth Circui

    EIN 421297335 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Historical Society of the United States Courts in the Eighth Circui

    EIN 431436909 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Historical Society of the United States Courts in the Eighth Circui

    EIN 431448876 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Historical Society of the Us Courts in the Eighth Circuit

    EIN 363518426 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Historical Society of the Us Courts in the Eighth Circuit

    EIN 411714019 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Historical Society of the Us Courts in the Eigth Circuit Court

    EIN 363518428 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Historical Society of the Westburys C O Gilbert W Mcgill

    EIN 112405073 · Headquarters: Westbury, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Historical Society of Topsail Island

    EIN 561501496 · Headquarters: Topsail Beach, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Historical Society of University City

    EIN 431155235 · Headquarters: University CIty, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Historical Society of Walden & Wallkill Valley

    EIN 146022766 · Headquarters: Walden, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Historical Society of Walton County Inc

    EIN 237106643 · Headquarters: Monroe, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Historical Society of Washington County Illinois

    EIN 237037847 · Headquarters: Nashville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Historical Society of Washington County VA

    EIN 237254907 · Headquarters: Abingdon, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Historical Society of Washington DC Dba DC History Center

    EIN 530238800 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  53. Historical Society of Watertowninc

    EIN 046130160 · Headquarters: WATERTOWN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Historical Society of West Windsor

    EIN 222459371 · Headquarters: West Windsor, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Historical Society of Wilmington Vermont Inc

    EIN 030280220 · Headquarters: Wilmington, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Historical Society Roxbury Twp

    EIN 237011830 · Headquarters: Succasunna, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Historical Society Underhill Inc

    EIN 036016303 · Headquarters: UNDERHILL CENTER, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Historical Society-lexington County

    EIN 237030690 · Headquarters: West Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Historical Texas Treasures

    EIN 760436294 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Historical Vintage Car Club of Delaware Inc

    EIN 300665753 · Headquarters: Milford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Historivision Foundation Inc

    EIN 262969731 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  62. History Animated

    EIN 264108019 · Headquarters: Bend, OR, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  63. History Associates of Wilson County

    EIN 626083488 · Headquarters: Lebanon, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. History Center of Lake Forest-Lake Bluff

    EIN 237213177 · Headquarters: Lake Forest, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. History Center of San Luis Obispo County

    EIN 956150680 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. History Club

    EIN 237061161 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. History Club

    EIN 800698364 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  68. History Club of Los Gatos

    EIN 941250811 · Headquarters: LOS GATOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. History Graduate Student Association

    EIN 811416343 · Headquarters: Bozeman, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. History Heals Foundation

    EIN 880698565 · Headquarters: Anahuac, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. History Honor Society

    EIN 464793727 · Headquarters: Lynchburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. History House Association Inc

    EIN 010217324 · Headquarters: Skowhegan, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. History Makers Christian Academy Inc

    EIN 811034536 · Headquarters: Smyrna, GA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  74. History of Science Society Inc

    EIN 526050324 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. History Opportunity & Truth United Fund

    EIN 822877693 · Headquarters: ALEXANDRIA, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. History Partners Inc

    EIN 921451594 · Headquarters: YARDLEY, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. History Project Inc

    EIN 042737016 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. History Taskforce

    EIN 883885619 · Headquarters: Conroe, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. History Untold 400

    EIN 843167861 · Headquarters: LOUISVILLE, KY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. History-theology Educational Ministry Inc

    EIN 452727618 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  81. Hisvision Inc

    EIN 815315232 · Headquarters: Ellicott, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Hit & Run Baseball Inc

    EIN 332497287 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Hit Scholarship

    EIN 333564355 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Hit the Streets Ministries Inc

    EIN 800352601 · Headquarters: Marietta, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Hitachi

    EIN 237688845 · Headquarters: RYE BROOK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Hitachi Vantara Llc Short Term Disability Benefit Plan

    EIN 770275495 · Headquarters: SANTA CLARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Hitaji Development Initiative International Inc

    EIN 472098453 · Headquarters: North Brunswick, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Hitch Gen Foundation

    EIN 832750970 · Headquarters: HOWELL, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  89. Hitchcock Center for the Environment Inc

    EIN 042487748 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Hitchcock Center for Women Inc

    EIN 341264097 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Hitchcock County Farm Bureau

    EIN 470470851 · Headquarters: Stratton, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Hitchcock Elementary School Parent Teacher Org Pto Community Club

    EIN 510190310 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. Hitchcock Family Welfare Inc

    EIN 746083309 · Headquarters: HITCHCOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Hitchcock Foundation

    EIN 860474259 · Headquarters: CAVE CREEK, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Hitchcock Heritage Society Inc

    EIN 760095429 · Headquarters: Hitchcock, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Hitchcock Lake Improvement Association Inc

    EIN 510197307 · Headquarters: WOLCOTT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Hitchcock Margaret M Fdn

    EIN 256018992 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Hitchcock Public Library

    EIN 237079624 · Headquarters: HITCHCOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Hitchcock Volunteer Fire Department

    EIN 746091136 · Headquarters: HITCHCOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Hitchcock W J Fboyo Comm

    EIN 346794216 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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