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. Oklahoma Oracle Users Group

    EIN 472658875 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Oklahoma Orangeball Association

    EIN 770599090 · Headquarters: Edmond, OK, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Oklahoma Orchid Society

    EIN 161744105 · Headquarters: Norman, OK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Oklahoma Ornithological Society

    EIN 237057442 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Oklahoma Orphaned Poodle Services

    EIN 273356740 · Headquarters: Tulsa, OK, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Oklahoma Orthodontic Society CO Chris Hunt

    EIN 320291709 · Headquarters: Oklahoma City, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Oklahoma Osteopathic Association

    EIN 730757525 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  8. Oklahoma Outdoor Outreach Foundation

    EIN 261284010 · Headquarters: PURCELL, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Oklahoma Outdoor Society

    EIN 743152104 · Headquarters: okarche, OK, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Oklahoma Ozark Chapter of the Appraisal Institute

    EIN 730610593 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Oklahoma Pain Society Inc

    EIN 474371878 · Headquarters: Edmond, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  12. Oklahoma Palomino Exhibitors Association

    EIN 731019392 · Headquarters: GORE, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990

  13. Oklahoma Paralegal Association Inc

    EIN 731275168 · Headquarters: Glenpool, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Oklahoma Parents Center Inc

    EIN 731596162 · Headquarters: Holdenville, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Oklahoma Parents for Student Achievement Inc

    EIN 934447936 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Oklahoma Partners of the Alliance

    EIN 736112676 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Oklahoma Partnership for School Readiness Foundation Inc

    EIN 300213815 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Oklahoma Partnership for Successful Reentry Inc

    EIN 204415744 · Headquarters: Oklahoma City, OK, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. Oklahoma Partnership in Creating Change Inc

    EIN 300148696 · Headquarters: OKLAHOMA CITY, OK, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Oklahoma Pastel Society

    EIN 812650148 · Headquarters: Oklahoma City, OK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Oklahoma Patriots Coalition

    EIN 861829261 · Headquarters: Choctaw, OK, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Oklahoma Pawnbrokers Association Inc

    EIN 731205614 · Headquarters: Moore, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Oklahoma Paws Memphis Street Animal Rescue

    EIN 922311926 · Headquarters: Broken Arrow, OK, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Oklahoma Payphone Association

    EIN 742782053 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. Oklahoma Payroll Org Llc

    EIN 731414077 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Oklahoma Peak Performance Volleyball Club

    EIN 811308599 · Headquarters: Oklahoma City, OK, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Oklahoma Pecan Growers Association

    EIN 800282772 · Headquarters: ADA, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Oklahoma Peo Projects Fund Inc

    EIN 736107830 · Headquarters: BROKEN ARROW, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Oklahoma People First Inc

    EIN 203103503 · Headquarters: Norman, OK, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  30. Oklahoma Performing Arts Collective Inc

    EIN 992529470 · Headquarters: EDMOND, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Oklahoma Performing Arts Inc

    EIN 731479893 · Headquarters: Tulsa, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  32. Oklahoma Pest Management

    EIN 471454816 · Headquarters: Tulsa, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Oklahoma Pet Collective Society

    EIN 854369910 · Headquarters: Tulsa, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Oklahoma Petroleum Marketers & Convenience Stores Association Inc

    EIN 730709109 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Oklahoma Pharmacists Association

    EIN 730582468 · Headquarters: Ardmore, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Oklahoma Pharmacists Helping Pharmacists

    EIN 731391653 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Oklahoma Pharmacy Educational Foundation

    EIN 205839785 · Headquarters: Ardmore, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Oklahoma Pharmacy Heritage Foundation Inc

    EIN 731133587 · Headquarters: GUTHRIE, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Oklahoma Philharmonic Affiliated Fund of Occf Inc

    EIN 731461680 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Oklahoma Philharmonic Society Inc

    EIN 731328565 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Oklahoma Phoenix Project Inc

    EIN 880813070 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Oklahoma Physical Therapy Association

    EIN 237056789 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Oklahoma Physical Therapy Foundation Inc

    EIN 200240266 · Headquarters: Edmond, OK, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Oklahoma Physicians Resource- Research Network Inc

    EIN 721539928 · Headquarters: Norman, OK, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Oklahoma Pilots Association

    EIN 731357652 · Headquarters: Bethany, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Oklahoma Pinto Horse Association

    EIN 731382669 · Headquarters: CLAREMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Oklahoma Pipeline Awareness Liasion Inc

    EIN 274587315 · Headquarters: TULSA, OK, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990

  48. Oklahoma Podiatric Medical Association

    EIN 731080341 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Oklahoma Police and Fire Athletic Association

    EIN 721537188 · Headquarters: OKLAHOMA CITY, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Oklahoma Police Chiefs Training Foundation Inc

    EIN 731289104 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Oklahoma Policy Engagement Network Inc

    EIN 922633921 · Headquarters: Oklahoma City, OK, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Oklahoma Policy Inc

    EIN 331178624 · Headquarters: TULSA, OK, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Oklahoma Political Science Association

    EIN 800668151 · Headquarters: Claremore, OK, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  54. Oklahoma Pork Council Inc

    EIN 731363139 · Headquarters: OKLAHOMA CITY, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Oklahoma Practical Precision Shooters Corporation

    EIN 824452166 · Headquarters: Bluejacket, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Oklahoma Predictive Maintenance

    EIN 731413933 · Headquarters: STILLWATER, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Oklahoma Pregnancy Care Network Inc

    EIN 842055522 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Oklahoma Premier Athletic Club

    EIN 993846413 · Headquarters: OKLAHOMA CITY, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Oklahoma Premier Fastpitch Club

    EIN 872520239 · Headquarters: MUSKOGEE, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Oklahoma Premier Inc

    EIN 452996973 · Headquarters: NORMAN, OK, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990

  61. Oklahoma Presbyterian Pilgrimage Inc

    EIN 823063247 · Headquarters: Edmond, OK, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Oklahoma Prescribed Burn Association

    EIN 460663267 · Headquarters: Stillwater, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Oklahoma Prescribed Burn Association

    EIN 812010742 · Headquarters: Springer, OK, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Oklahoma Prescribed Burn Associaton Woodward County Prescribed Burn

    EIN 465290619 · Headquarters: WOODWARD, OK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Oklahoma Press Association

    EIN 730383650 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Oklahoma Press Association Member Employees Benefit Trust

    EIN 731297051 · Headquarters: EL RENO, OK, USA · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990

  67. Oklahoma Prevention Policy Alliance

    EIN 371706525 · Headquarters: PRYOR, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Oklahoma Primary Care Association

    EIN 731365933 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Oklahoma Primate Sanctuary Inc

    EIN 731522989 · Headquarters: Newcastle, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Oklahoma Primetime

    EIN 471615404 · Headquarters: Oklahoma City, OK, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. Oklahoma Prince Hall Foundation Inc

    EIN 831071432 · Headquarters: Muskogee, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Oklahoma Prison Writers and Artists Foundation

    EIN 871991985 · Headquarters: NORMAN, OK, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Oklahoma Process 28

    EIN 833598612 · Headquarters: Jenks, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Oklahoma Production Center for the Developmentally

    EIN 731137644 · Headquarters: Tahlequah, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Oklahoma Professionals for Home Care Llc

    EIN 474254182 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Oklahoma Progress Now Syndicate

    EIN 843823247 · Headquarters: Oklahoma City, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Oklahoma Project Woman Inc

    EIN 731616817 · Headquarters: TULSA, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Oklahoma Propane Gas Association

    EIN 730606470 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Oklahoma Property and Casualty Insurance Guaranty Association

    EIN 731121874 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Oklahoma Prosperity Project

    EIN 993056256 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Oklahoma Proton Center

    EIN 844765097 · Headquarters: OKC, Oklahoma, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Oklahoma Psychiatric Physicians Assoc

    EIN 736111803 · Headquarters: Norman, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Oklahoma Psychic Educational Research Association

    EIN 731259258 · Headquarters: OKLAHOMA CITY, OK, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. Oklahoma Psychological Association

    EIN 730983274 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Oklahoma Ptg Chapter 731

    EIN 460992639 · Headquarters: EDMOND, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Oklahoma Public Charter Schools Association Inc

    EIN 571142996 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Oklahoma Public Employees Association

    EIN 730992657 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Oklahoma Public Fleet Management Association

    EIN 464821692 · Headquarters: TULSA, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Oklahoma Public Fund Trustee Education Conference Association

    EIN 921723062 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Oklahoma Public Health Association

    EIN 237159694 · Headquarters: Oklahoma City, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Oklahoma Public Safety Justice Policy Council

    EIN 471753851 · Headquarters: Edmond, OK, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Oklahoma Public School Resource Center

    EIN 463231101 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Oklahoma Public School Resource Center Eigo Inc

    EIN 465452731 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Oklahoma Puppy Express Inc

    EIN 273821489 · Headquarters: OKLAHOMA CITY, OK, USA · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  95. Oklahoma Pure Fastpitch Organization

    EIN 833634929 · Headquarters: Edmond, OK, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Oklahoma Pyrotechnics Club

    EIN 874691106 · Headquarters: Checotah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Oklahoma Quarter Horse Association

    EIN 730777189 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Oklahoma Quarter Horse Racing Association Inc

    EIN 731348198 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Oklahoma Quilters State Organization

    EIN 731258815 · Headquarters: Sapulpa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Oklahoma Radio Kontrol Society Inc

    EIN 475312635 · Headquarters: OKLAHOMA CITY, OK, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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