Nonprofits in Oklahoma

Nonprofits in Oklahoma. Browse 25,638 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 237527026 · Headquarters: NORMAN, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Order of Eastern Star of Oklahoma

    EIN 237527028 · Headquarters: Okmulgee, OK, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  3. 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

  4. 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

  5. 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

  6. Order of Eastern Star of Oklahoma

    EIN 237527045 · Headquarters: Oklahoma City, OK, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  7. Order of Eastern Star of Oklahoma

    EIN 237527061 · Headquarters: Savanna, OK, US · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  8. 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

  9. 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

  10. 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

  11. Order of Eastern Star of Oklahoma

    EIN 237527075 · Headquarters: BETHANY, OK, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Order of Eastern Star of Oklahoma

    EIN 237527078 · Headquarters: Crowder, OK, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. 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

  14. Order of Eastern Star of Oklahoma

    EIN 237527080 · Headquarters: APACHE, OK, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  15. Order of Eastern Star of Oklahoma

    EIN 237527082 · Headquarters: Tulsa, OK, US · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. 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

  17. Order of Eastern Star of Oklahoma

    EIN 237527089 · Headquarters: Tulsa, OK, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. Order of Eastern Star of Oklahoma

    EIN 237527090 · Headquarters: Minco, OK, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Order of Eastern Star of Oklahoma

    EIN 237527093 · Headquarters: Muskogee, OK, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  20. Order of Eastern Star of Oklahoma

    EIN 237527094 · Headquarters: Tulsa, OK, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. 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

  22. 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

  23. Order of Eastern Star of Oklahoma

    EIN 237527114 · Headquarters: Meeker, OK, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Order of Eastern Star of Oklahoma

    EIN 237527118 · Headquarters: Ardmore, OK, US · Science & Technology · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. 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

  26. Order of Eastern Star of Oklahoma

    EIN 237527120 · Headquarters: Mannford, OK, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Order of Eastern Star of Oklahoma

    EIN 237527121 · Headquarters: Enid, OK, US · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. 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

  29. Order of Eastern Star of Oklahoma

    EIN 237527133 · Headquarters: Tulsa, OK, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. 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

  31. 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

  32. Order of Eastern Star of Oklahoma

    EIN 237527141 · Headquarters: Oologah, OK, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Order of Eastern Star of Oklahoma

    EIN 237527145 · Headquarters: Kansas, OK, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. 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

  35. Order of Eastern Star of Oklahoma

    EIN 237527151 · Headquarters: Tulsa, OK, US · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  36. 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

  37. 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

  38. Order of Eastern Star of Oklahoma

    EIN 237527162 · Headquarters: Moore, OK, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  39. Order of Eastern Star of Oklahoma

    EIN 237527164 · Headquarters: Choctaw, OK, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Order of Eastern Star of Oklahoma

    EIN 237527165 · Headquarters: Lawton, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. 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

  42. 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

  43. Order of Girls of the Golden Court Darcas Assembly 41

    EIN 510224456 · Headquarters: Edmond, OK, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. Order of Saint Patrick

    EIN 863923594 · Headquarters: Grove, OK, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Order of the Amaranth Inc

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

  46. Order of the Amaranth Inc

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

  47. 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

  48. 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

  49. Order of the Amaranth Inc Supreme Council

    EIN 237614508 · Headquarters: Norman, OK, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. 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

  51. 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

  52. Order of the Amaranth Inc Supreme Council

    EIN 731077899 · Headquarters: LAWTON, OK, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star of Kansas

    EIN 237585191 · Headquarters: CHEROKEE, OK, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star of Oklahoma

    EIN 237526996 · Headquarters: Okmulgee, OK, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  55. 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

  56. Order of the Eastern Star of Oklahoma

    EIN 800132112 · Headquarters: VALLIANT, OK, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. 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

  58. Order of the White Shrine of Jerusalem

    EIN 237513835 · Headquarters: Bartlesville, OK, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  59. Order of the White Shrine of Jerusalem

    EIN 237513836 · Headquarters: Oklahoma City, OK, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  60. Order of the White Shrine of Jerusalem

    EIN 237513837 · Headquarters: Norman, OK, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  61. 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

  62. Order of the White Shrine of Jerusalem

    EIN 237513850 · Headquarters: Lawton, OK, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Oregon Cte Student Leadership Foundation

    EIN 931211180 · Headquarters: Owasso, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Oregon Fccla Inc

    EIN 454778792 · Headquarters: Owasso, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Oregon Hosa Inc

    EIN 454778314 · Headquarters: Owasso, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Organ Donor and Transplant Association Inc

    EIN 841653404 · Headquarters: Tulsa, OK, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Organization of Rural Oklahoma Schools

    EIN 731268843 · Headquarters: WEATHERFORD, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Organs for Life Transplant Support

    EIN 465418007 · Headquarters: OKLAHOMA CITY, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Orion Rural Fire Association

    EIN 731497987 · Headquarters: FAIRVIEW, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  70. Oro Development Corporation

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

  71. Orphan Family Foundation

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

  72. Orphan Mercy and Grace

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

  73. Orphan Relief Effort Inc

    EIN 752933537 · Headquarters: Edmond, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Orphan Shield Inc

    EIN 261430768 · Headquarters: TULSA, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  75. Orthocare Innovations Foundation

    EIN 264022908 · Headquarters: Oklahoma City, OK, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  76. Orthodogs Silver Lining Foundation

    EIN 202787333 · Headquarters: OWASSO, OK, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  77. Orthopaedic & Reconst Research Found

    EIN 731503247 · Headquarters: EDMOND, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Orthopaedic Society of Oklahoma

    EIN 471841917 · Headquarters: EDMOND, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Orvis Risner Pta

    EIN 061726852 · Headquarters: EDMOND, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. 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

  81. Osage County Cattlemens Association

    EIN 731561127 · Headquarters: Pawhuska, OK, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Osage County Conservation Foundation

    EIN 731405749 · Headquarters: PAWHUSKA, OK, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  83. Osage County Farmers Union Local 202 Inc

    EIN 384202058 · Headquarters: Oklahoma City, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Osage County Historical Society & Museum

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

  85. Osage County Junior Livestock Show Inc

    EIN 731174963 · Headquarters: Pawhuska, OK, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Osage County Medical Society

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

  87. Osage Couty Sports Inc

    EIN 731458154 · Headquarters: PAWHUSKA, OK, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  88. 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

  89. Osage Financial Resources Inc

    EIN 861066065 · Headquarters: PAWHUSKA, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Osage Forest of Peace

    EIN 261905185 · Headquarters: Sand Springs, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Osage Hillls Rural Firefighters Assn

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

  92. Osage Hills Neighborhood Association Inc

    EIN 811449794 · Headquarters: Sand Springs, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. Osage Producers Association

    EIN 731389305 · Headquarters: HOMINY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Osage Shareholders Association

    EIN 731492505 · Headquarters: Pawhuska, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Osage-pleasant View Fire Dept Inc

    EIN 731471646 · Headquarters: Pryor, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Osbi Agents Association Inc

    EIN 471982708 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Osbi Foundation Inc

    EIN 471993070 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Oscar Kilo Corp

    EIN 813133862 · Headquarters: Glenpool, OK, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Oscars Foundation

    EIN 920620633 · Headquarters: Chickasha, OK, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Osma Auxiliary Health Education Foundation Inc

    EIN 731371139 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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