Unknown & Unclassified nonprofits in Oklahoma

Unknown & Unclassified nonprofits in Oklahoma. Browse 6,510 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. Order of Eastern Star of Oklahoma

    EIN 237526952 · Headquarters: Yukon, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Order of Eastern Star of Oklahoma

    EIN 237526957 · Headquarters: KINGSTON, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Order of Eastern Star of Oklahoma

    EIN 237526960 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Order of Eastern Star of Oklahoma

    EIN 237526974 · Headquarters: healdton, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Order of Eastern Star of Oklahoma

    EIN 237526976 · Headquarters: FT TOWSON, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Order of Eastern Star of Oklahoma

    EIN 237526978 · Headquarters: WATONGA, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  7. Order of Eastern Star of Oklahoma

    EIN 237526994 · Headquarters: Cherokee, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Order of Eastern Star of Oklahoma

    EIN 237526995 · Headquarters: Dewar, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Order of Eastern Star of Oklahoma

    EIN 237527012 · Headquarters: BURNS FLAT, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Order of Eastern Star of Oklahoma

    EIN 237527014 · Headquarters: GROVE, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Order of Eastern Star of Oklahoma

    EIN 237527026 · Headquarters: NORMAN, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Order of Eastern Star of Oklahoma

    EIN 237527032 · Headquarters: Yukon, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Order of Eastern Star of Oklahoma

    EIN 237527034 · Headquarters: EDMOND, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Order of Eastern Star of Oklahoma

    EIN 237527040 · Headquarters: ELGIN, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Order of Eastern Star of Oklahoma

    EIN 237527064 · Headquarters: Calera, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Order of Eastern Star of Oklahoma

    EIN 237527068 · Headquarters: Catoosa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Order of Eastern Star of Oklahoma

    EIN 237527073 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Order of Eastern Star of Oklahoma

    EIN 237527079 · Headquarters: SEILING, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. Order of Eastern Star of Oklahoma

    EIN 237527085 · Headquarters: PURCELL, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Order of Eastern Star of Oklahoma

    EIN 237527107 · Headquarters: GUYMON, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Order of Eastern Star of Oklahoma

    EIN 237527111 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Order of Eastern Star of Oklahoma

    EIN 237527119 · Headquarters: Langley, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Order of Eastern Star of Oklahoma

    EIN 237527123 · Headquarters: WESTVILLE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Order of Eastern Star of Oklahoma

    EIN 237527134 · Headquarters: YUKON, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Order of Eastern Star of Oklahoma

    EIN 237527140 · Headquarters: Haworth, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Order of Eastern Star of Oklahoma

    EIN 237527150 · Headquarters: Midwest City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Order of Eastern Star of Oklahoma

    EIN 237527155 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Order of Eastern Star of Oklahoma

    EIN 237527160 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Order of Eastern Star of Oklahoma

    EIN 237527169 · Headquarters: CLAREMORE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Order of Eastern Star of Oklahoma

    EIN 731227470 · Headquarters: COLBERT, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Order of the Amaranth Inc

    EIN 237614329 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Order of the Amaranth Inc

    EIN 731029746 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Order of the Amaranth Inc Supreme Council

    EIN 237614313 · Headquarters: Bethany, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Order of the Amaranth Inc Supreme Council

    EIN 237614324 · Headquarters: Midwest City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Order of the Amaranth Inc Supreme Council

    EIN 237614511 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Order of the Amaranth Inc Supreme Council

    EIN 237614512 · Headquarters: Oklahoma CIty, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Order of the Eastern Star of Oklahoma

    EIN 731503739 · Headquarters: Maramec, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Order of the Eastern Star of Oklahoma

    EIN 900334146 · Headquarters: WAGONER, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Order of the White Shrine of Jerusalem

    EIN 237513838 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Oro Development Corporation

    EIN 730968906 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  41. Orphan Family Foundation

    EIN 208790762 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  42. Orphan Mercy and Grace

    EIN 272876073 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Osage and Washington Counties Long Term Recovery Inc

    EIN 394103643 · Headquarters: Skiatook, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Osage County Historical Society & Museum

    EIN 730775133 · Headquarters: PAWHUSKA, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  45. Osage County Medical Society

    EIN 237035075 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. Osage Cove Firefighters Association Inc

    EIN 731358959 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Osage Hillls Rural Firefighters Assn

    EIN 731315530 · Headquarters: Bartlesville, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Ostomy Association of Oklahoma City Inc

    EIN 510150140 · Headquarters: Oklahonma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Osu Kappa Parents Club Inc

    EIN 994250955 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Osu Society for Veterinary Surgery & Anesthesiology

    EIN 463583103 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Osu Student Chapter of American Association of Feline Practitioner

    EIN 994251750 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Ot Autry Vocational and Technical Educational Foundation

    EIN 731353799 · Headquarters: ENID, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Otha H Grimes Foundation

    EIN 731293858 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Ottawa County Historical Society

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

  55. Ottawa County Retired Educators

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

  56. Ou Botanical Society

    EIN 843969994 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Ouhsc Pa Class of 2025

    EIN 932920655 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Our Fathers Love Ministry Inc

    EIN 352380145 · Headquarters: wagoner, OK, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  59. Outcast Under Transformation Inc

    EIN 471309151 · Headquarters: ARDMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Outdoor Recreation & Resource Coalition Inc

    EIN 731363446 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Overeaters Anonymous Intergroup

    EIN 731156989 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Owasso Golden Agers Foundation

    EIN 731351639 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Owasso Golden Agers Inc

    EIN 731390336 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Owasso Historical Society Inc

    EIN 731305591 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Owasso Rams Track & Cross Country Booster Club Inc

    EIN 753050469 · Headquarters: Owasso, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Owasso Volleyball Club

    EIN 261319135 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  67. Owasso Youth Cheer Booster Club

    EIN 272019091 · Headquarters: Collinsville, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  68. Owens & Co Mutual Aid Fire Service Inc

    EIN 731376361 · Headquarters: Vera, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. P T K Missions Inc

    EIN 481288051 · Headquarters: Newcastle, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Pa-a-linn Club

    EIN 731367331 · Headquarters: Haskell, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Pack 20

    EIN 465130071 · Headquarters: Ada, OK, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. Paisli Purpose

    EIN 820821310 · Headquarters: Lone grove, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Palomino Horse Breeders of America Inc

    EIN 750479601 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Pan American Educational Foundation

    EIN 742545667 · Headquarters: Jenks, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Pan American Round Table of Tulsa Oklahoma

    EIN 510156500 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Panhandle Area Sheltered Workshop Inc

    EIN 731132440 · Headquarters: GUYMON, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Panhandle Citizens For Truth in Gaming

    EIN 811555026 · Headquarters: Guymon, OK, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  78. Panhandle Regional Economic Development Coalition Inc

    EIN 731549211 · Headquarters: GUYMON, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  79. Paperweight Collectors Association

    EIN 731358475 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Papillon Club of Tulsa

    EIN 800201076 · Headquarters: Skiatook, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Parakaleo Ministries

    EIN 833607176 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Parent Booster USA

    EIN 823620052 · Headquarters: Pawhuska, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Parent Booster USA

    EIN 824725055 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Parent Booster USA Inc

    EIN 204166939 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Parent Booster USA Inc

    EIN 352945021 · Headquarters: Jones, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Parent Booster USA Inc

    EIN 394162762 · Headquarters: Del City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Parent Booster USA Inc

    EIN 394570297 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Parent Booster USA Inc

    EIN 412507397 · Headquarters: Dewar, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Parent Booster USA Inc

    EIN 413070562 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Parent Booster USA Inc

    EIN 414829657 · Headquarters: Claremore, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Parent Booster USA Inc

    EIN 414830313 · Headquarters: Chickasha, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Parent Booster USA Inc

    EIN 415223024 · Headquarters: Shawnee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Parent Booster USA Inc

    EIN 422318599 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Parent Booster USA Inc

    EIN 472062506 · Headquarters: Durant, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Parent Booster USA Inc

    EIN 472077417 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Parent Booster USA Inc

    EIN 472273474 · Headquarters: Durant, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Parent Booster USA Inc

    EIN 475367064 · Headquarters: Elk City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Parent Booster USA Inc

    EIN 612328801 · Headquarters: Ada, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Parent Booster USA Inc

    EIN 800885732 · Headquarters: Noble, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Parent Booster USA Inc

    EIN 811028061 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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