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. The Ohio State University

    EIN 991691637 · Headquarters: Jackson, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. The Ohio State University

    EIN 991707803 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The Ohio State University

    EIN 991729997 · Headquarters: Hinckley, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. The Ohio State University

    EIN 991857802 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. The Ohio State University

    EIN 991886841 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. The Ohio State University

    EIN 992003052 · Headquarters: NAPOLEON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. The Ohio State University

    EIN 992075138 · Headquarters: Bucyrus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. The Ohio State University Alumni Association Inc

    EIN 311083256 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. The Ohio State University Alumni Club of Franklin County Ohio

    EIN 311088579 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. The Ohio State University Alumni Club of Hardin County of Ohio

    EIN 521324704 · Headquarters: Kenton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. The Ohio State University Faculty Club

    EIN 314176230 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. The Ohio State Universtiy

    EIN 333002193 · Headquarters: Van Wert, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. The Ohio State Universtiy

    EIN 333182013 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. The Ohio State Universtiy

    EIN 421722134 · Headquarters: Washington Court House, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. The Ohio Valley Flooring Group Medical Benefit Trust

    EIN 311000354 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Ohio Voter Fund

    EIN 043833810 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. The Ohnell Family Foundation

    EIN 223219022 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. The Ohrn Family Charitable Foundation

    EIN 223064094 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. The Ojai Civic Association

    EIN 951063265 · Headquarters: OJAI, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. The Okavango Private Foundation

    EIN 873799447 · Headquarters: CHAPEL HILL, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. The OKC Association of Building Owners & Managers

    EIN 730760540 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. The Okemah Public School Foundation Inc

    EIN 731348174 · Headquarters: OKEMAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. The Oki Foundation

    EIN 911394156 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. The Okinaga Foundation

    EIN 421354468 · Headquarters: GARDEN CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. The Oklahoma Alpha Phi House Association

    EIN 730583245 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. The Oklahoma City Commercial Real Estate Council

    EIN 731338793 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. The Oklahoma Partnership Project Inc

    EIN 841762663 · Headquarters: EDMOND, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. The Okonma Foundation

    EIN 880605007 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. The Olcott & Lucy Smith Foundation Inc

    EIN 066064116 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. The Old & Young Newsboys Goodfellow Association

    EIN 386091876 · Headquarters: MOUNT CLEMENS, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. The Old Age Assist Program

    EIN 393948049 · Headquarters: Herndon, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. The Old Bath Customs House Inc

    EIN 010359599 · Headquarters: BATH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. The Old Church Cemetery Association of South Glastonbury Conn

    EIN 066049208 · Headquarters: S GLASTONBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. The Old Club

    EIN 380892300 · Headquarters: HARSENS ISLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The Old Colony Yacht Club

    EIN 042137056 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The Old Corral Inc

    EIN 750990684 · Headquarters: AMARILLO, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. The Old Fort Militia

    EIN 710588153 · Headquarters: Van Buren, AR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. The Old Georgetown Club Inc

    EIN 520909907 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. The Old Guard of Forked River Chapter 19 Inc

    EIN 510138068 · Headquarters: Forked River, NJ, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. The Old Hoopers Island Graveyard Inc

    EIN 061803997 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. The Old Market Business Association

    EIN 470766896 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. The Old Meeting House Fdn

    EIN 056004037 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. The Old Mill Yacht Club of Pleasant Point Inc

    EIN 111951023 · Headquarters: HOWARD BEACH, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. The Old Monroe Senior Citizen Housing Complex

    EIN 431227786 · Headquarters: WASHINGTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. The Old Newgate Coon Club Inc

    EIN 060601138 · Headquarters: NORFOLK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. The Old North End Neighborhood

    EIN 742263734 · Headquarters: COLORADO SPGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. The Old Oroville Depot Historical Society

    EIN 911402975 · Headquarters: OROVILLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. The Old Quarry Society for the Performing Arts

    EIN 742288483 · Headquarters: BRACKETTVILLE, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. The Old Synagogue Museum of Kenosha

    EIN 471120621 · Headquarters: Kenosha, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. The Old Timer Social Club

    EIN 631158603 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. The Old Town Hall Museum Corporation Incorporated

    EIN 050455408 · Headquarters: WESTERLY, RI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. The Old West End

    EIN 341293695 · Headquarters: Toledo, Ohio, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. The Olde Carriage Hill Homeowners Association Inc

    EIN 521350054 · Headquarters: Montgomery Village, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. The Olde Forest Racquet Club Inc

    EIN 237221475 · Headquarters: ELON, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. The Oldies but Goodies Dance & Social Club

    EIN 800364510 · Headquarters: Destrehan, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. The Ole School Foundation

    EIN 922821165 · Headquarters: Groveland, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. The Oley Foundation Inc

    EIN 133194182 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The Olga D Rasmussen Award

    EIN 166332307 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. The Olgapuri Village Foundation

    EIN 823539630 · Headquarters: GOLETA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. The Olian Foundation

    EIN 136160914 · Headquarters: Sarasota, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  61. The Olive Club Inc

    EIN 010964027 · Headquarters: FORT WAYNE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. The Olive Glen Foundation Inc

    EIN 680150774 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. The Olive Group Foundation

    EIN 851059576 · Headquarters: Chandler, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. The Olive Tupper Foundation

    EIN 721277047 · Headquarters: LAKE CHARLES, LA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  65. The Oliver Dewey Mayor Foundation

    EIN 751864630 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. The Oliver Family Foundation C/o Richard D Oliver

    EIN 311365209 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. The Oliver Foundation Co Dr Cap Oliver

    EIN 541422033 · Headquarters: Fairfax, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. The Oliver Gang Inc

    EIN 260211921 · Headquarters: Decator, IN, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  69. The Oliver R Grace Charitable Foundation

    EIN 113105739 · Headquarters: PALM BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. The Oliver Scholars Program Inc

    EIN 133248876 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Oliver White Hill Foundation

    EIN 542010598 · Headquarters: MIDLOTHIAN, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. The Ollie Hope Foundation

    EIN 394961873 · Headquarters: Redwood City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. The Olympia Police Guild

    EIN 911158932 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  74. The Olympic Club

    EIN 940732930 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. The Omega Psi Phi Fraternity Tau Pi Chapter Columbia Md Inc

    EIN 521048866 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. The Omidyar Group Charitable Trust

    EIN 926236559 · Headquarters: Los Gatos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. The Omni Institute for Optimal Health

    EIN 042783294 · Headquarters: Hingham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. The On-step Institute for Mental Health Research Inc

    EIN 133830291 · Headquarters: WHITE PLAINS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. The Oncology Society of New Jersey Inc

    EIN 223174874 · Headquarters: WHIPPANY, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. The ONE Campaign

    EIN 010593565 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The One Child

    EIN 394806437 · Headquarters: Franklin, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. The One East Sixtieth Street Historical Foundation

    EIN 133215997 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. The One Experience Inc

    EIN 990691241 · Headquarters: Raleigh, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. The One Foundation Inc

    EIN 133733313 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. The One Glove Foundation

    EIN 465126289 · Headquarters: Dublin, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. The One Hundred Club of Memphis

    EIN 626036187 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. The One Hundred Club of New Mexico

    EIN 237036155 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. The One Hundred Club of San Antonio

    EIN 237292314 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. The One Lost Ministry Inc

    EIN 853394579 · Headquarters: GRAHAM, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. The One Note Hope Foundation

    EIN 833158435 · Headquarters: Yuma, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. The One Thing

    EIN 871229677 · Headquarters: OOLTEWAH, TN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. The Oneil Foundation

    EIN 510256464 · Headquarters: NORTH PALM BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. The Oneness Family School

    EIN 521570713 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. The Oneness Truth Meditation Foundation

    EIN 994276660 · Headquarters: POMONA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. The Oneonta Club Foundation

    EIN 237374541 · Headquarters: SAN MARINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. The Onesimus Connections Inc

    EIN 800094276 · Headquarters: JACKSONVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  97. The Onnie Mae Spruill Foundation Inc

    EIN 582050054 · Headquarters: DUNWOODY, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. The Ontara Institute

    EIN 412748620 · Headquarters: San Ramon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. The Ontario Center Owners Association

    EIN 330068932 · Headquarters: Nine Mile Falls, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. The Onward Project

    EIN 331289851 · Headquarters: Bend, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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