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. Other Music Inc

    EIN 942694754 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. Other Office Llc

    EIN 822539587 · Headquarters: Winchester, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Other Side Ministries

    EIN 912069537 · Headquarters: SUMMERVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Other Side of the Dunes

    EIN 810920587 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Other Women Hear You

    EIN 900636090 · Headquarters: chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Otherworld Children's Media C/o Judith Walcutt

    EIN 911144123 · Headquarters: FREELAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Othila

    EIN 264484147 · Headquarters: Columbiaville, MI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Otho Morgan American Legion Post #17

    EIN 756035781 · Headquarters: GREENVILLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Otis a & Margaret T Barnes Trust Xxxxx4003

    EIN 846023466 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Otis a Thompson Foundation Inc

    EIN 166046540 · Headquarters: NORWICH, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Otis Civilian Advisory Council Inc

    EIN 042965649 · Headquarters: Falmouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Otis E Banks Burial Fund

    EIN 756038122 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Otis Fish & Game Club Inc

    EIN 061836143 · Headquarters: Otis Ang Base, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. Otis H Childs Trust

    EIN 256024249 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Otis Library

    EIN 060669124 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Otis Library Inc

    EIN 046382917 · Headquarters: OTIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Otis Rescue Squad Inc

    EIN 510201186 · Headquarters: OTIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Otis Thompson Fbo Chenango Memorial Hospital

    EIN 166212834 · Headquarters: NORWICH, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Otis Thompson Fbo United Fund of Norwich

    EIN 166212833 · Headquarters: NORWICH, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. Otis Valley Irrigation Company

    EIN 936032787 · Headquarters: Drewsey, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Otisfield Historical Society

    EIN 010376940 · Headquarters: Otisfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Otisville Community Yard Sale Organization

    EIN 272951303 · Headquarters: Otisville, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Otisville Little League Inc

    EIN 061071111 · Headquarters: OTISVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  24. Otisville Sportsmens Association Inc

    EIN 133518593 · Headquarters: Otisville, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Otisville Voice

    EIN 273052978 · Headquarters: Otisville, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. Otjiherero Speaking Community in the USA-oscu

    EIN 811725637 · Headquarters: Norcross, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Otne Consortium C/o B&c Consortia Management Llc

    EIN 834030033 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Otoe County Aggies

    EIN 874454870 · Headquarters: Syracuse, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Otoe County Farm Bureau Inc

    EIN 470386352 · Headquarters: Nebraska City, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Otology & Neurotology Inc

    EIN 731366391 · Headquarters: ST PETERSBURG, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Otow Archery Club Inc

    EIN 825220049 · Headquarters: OCALA, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Otow Computer Club

    EIN 874807044 · Headquarters: Clearwater, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Otow Genealogical Society

    EIN 113834833 · Headquarters: OCALA, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Otow Jesters Association

    EIN 820630128 · Headquarters: CLEARWATER, FL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  35. OTOW Men's Golf Assn Inc

    EIN 592645911 · Headquarters: Ocala, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Otow Rc Ladybirds

    EIN 651283074 · Headquarters: ocala, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Otow Theater Workshop

    EIN 455479989 · Headquarters: Clearwater, FL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Otow Wood Shop Inc

    EIN 883313675 · Headquarters: Ocala, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Otownsworldsfinest Inc

    EIN 932062720 · Headquarters: Winter Garden, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Otpb Inc

    EIN 853966003 · Headquarters: THOUSAND OAKS, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Ots Recovery

    EIN 850767854 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Otschodela Council Inc - Bsa Trust

    EIN 156017427 · Headquarters: UTICA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Otsego 2000 Inc

    EIN 112654945 · Headquarters: COOPERSTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Otsego Chamber of Commerce

    EIN 381811957 · Headquarters: OTSEGO, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Otsego Chapt No 672 Women of the Moose

    EIN 382353455 · Headquarters: Otsego, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Otsego Community Non-profit Housing Corporation

    EIN 237277616 · Headquarters: GAYLORD, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Otsego County Chamber of Commerce Inc

    EIN 150406150 · Headquarters: Oneonta, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  48. Otsego County Commission on Aging

    EIN 382058876 · Headquarters: GAYLORD, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Otsego County Deputy Sheriff's Ben

    EIN 521261675 · Headquarters: Cooperstown, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Otsego County Development Corporation

    EIN 166051473 · Headquarters: ONEONTA, NY, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  51. Otsego County Habitat for Humanity Inc

    EIN 383130500 · Headquarters: GAYLORD, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Otsego County Historical Society

    EIN 382433345 · Headquarters: GAYLORD, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Otsego County Rural Eltter Carriers Association

    EIN 510491791 · Headquarters: Deposit, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  54. Otsego County Senior Citizens Housing Association

    EIN 382142012 · Headquarters: VANDERBILT, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Otsego Cub Scout Pack 90

    EIN 474025846 · Headquarters: otsego, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Otsego Education Association

    EIN 386159163 · Headquarters: Kalamazoo, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Otsego Educational Support Personnel Association

    EIN 383408017 · Headquarters: otsego, MI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Otsego Educators Association

    EIN 311066872 · Headquarters: Swanton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Otsego Electric Cooperative Inc

    EIN 150500061 · Headquarters: HARTWICK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Otsego Elk Holding Association

    EIN 382422991 · Headquarters: Otsego, MI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Otsego Elks 1711

    EIN 381387357 · Headquarters: OTSEGO, MI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  62. Otsego Endowment Foundation

    EIN 341599038 · Headquarters: TONTOGANY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Otsego Ffa Alumni Association

    EIN 464925982 · Headquarters: Tontogany, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Otsego Lodge #138 Free & Accepted Masons

    EIN 160879367 · Headquarters: COOPERSTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Otsego Lodge 345 Loyal Order of Moose

    EIN 381881485 · Headquarters: OTSEGO, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Otsego Post No 3030 Veterans of Foreign Wars of the USA

    EIN 381326857 · Headquarters: OTSEGO, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Otsego Pta 5-063

    EIN 112975993 · Headquarters: HUNTINGTON STATION, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Otsego Public Schools Foundation

    EIN 382690879 · Headquarters: Otsego, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Otsego Rural Housing Assistance Inc

    EIN 222542309 · Headquarters: MILFORD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Otsego Senior Apartments Inc

    EIN 382530577 · Headquarters: OTSEGO, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Otsego-plainwell Right to Life

    EIN 923861320 · Headquarters: Dorr, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Otsego-schoharie and Delaware

    EIN 222281147 · Headquarters: Oneonta, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Ott Family Wilderness Foundation

    EIN 920921328 · Headquarters: Farmersville, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Ott Klein Foundation

    EIN 222133628 · Headquarters: NEWTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Ottauquechee Health Foundation Inc

    EIN 030197766 · Headquarters: WOODSTOCK, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Ottawa Area Chamber of Commerce

    EIN 341411368 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Ottawa Area Chamber of Commerce

    EIN 480360625 · Headquarters: OTTAWA, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Ottawa Area Chamber of Commerce and Industry

    EIN 361588690 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Ottawa Area Education Association

    EIN 383492883 · Headquarters: Coopersville, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Ottawa Area Housing Incorporated

    EIN 341317824 · Headquarters: OTTAWA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Ottawa Art League

    EIN 362673617 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Ottawa Avenue Cemetery Association Inc

    EIN 366071938 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Ottawa Chapter Inc Nsdar

    EIN 382164323 · Headquarters: Saint Clair, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ottawa Community Arts Council Inc

    EIN 480895554 · Headquarters: OTTAWA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Ottawa Concert Assoication

    EIN 237163005 · Headquarters: OTTAWA, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Ottawa County 400 Users Association Inc

    EIN 320249845 · Headquarters: PORT CLINTON, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Ottawa County Christian School Inc

    EIN 931417081 · Headquarters: MINNEAPOLIS, KS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Ottawa County Deputies Association

    EIN 473011303 · Headquarters: West Olive, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Ottawa County Fair Association

    EIN 386089492 · Headquarters: HOLLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Ottawa County Farm Bureau

    EIN 346526115 · Headquarters: Woodville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Ottawa County Farm Bureau

    EIN 381371277 · Headquarters: Allendale, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Ottawa County Historical Society

    EIN 730752334 · Headquarters: Miami, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Ottawa County Retired Educators

    EIN 471191036 · Headquarters: Miami, OK, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. Ottawa County Riverview Nursing Home Auxiliary

    EIN 341439359 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Ottawa County Service Corporation Inc

    EIN 455260480 · Headquarters: Minneapolis, KS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Ottawa County Shooting Sports 4-H Club

    EIN 611586638 · Headquarters: West Olive, MI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  97. Ottawa County Visitors Bureau

    EIN 341529597 · Headquarters: PORT CLINTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Ottawa Firemen's Relief Association Inc

    EIN 486110098 · Headquarters: OTTAWA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Ottawa First Nfp

    EIN 273914004 · Headquarters: OTTAWA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Ottawa for Good Government

    EIN 933794926 · Headquarters: HOLLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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