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. One Flesh Marriage Foundation

    EIN 932412908 · Headquarters: Broken Arrow, OK, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. One Gas Foundation Inc

    EIN 464169300 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. ONE Gas Inc NBU VEBA Master Trust

    EIN 320430913 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. ONE Gas Inc VEBA Master Trust for Collective Bargaining Unit Former Employe Es

    EIN 562542479 · Headquarters: TULSA, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. One Heartbeat Foundation

    EIN 731596382 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. One Heartbeat Ministries Inc

    EIN 462320673 · Headquarters: POTEAU, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. One Hope Tulsa Inc

    EIN 873108423 · Headquarters: Tulsa, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. One Hope Vision Ministries

    EIN 581996497 · Headquarters: Owasso, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. One in Him Foundation Inc

    EIN 372116797 · Headquarters: TULSA, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. One Innertainment Inc

    EIN 472186268 · Headquarters: OKC, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. One Life at a Time Ministries

    EIN 830891715 · Headquarters: OWASSO, OK, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. One Love Foundation

    EIN 813651192 · Headquarters: Warr Acres, OK, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. One Mission Inc

    EIN 921399001 · Headquarters: EDMOND, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. One More Chance Ministry Inc

    EIN 271046197 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. One More International Inc

    EIN 841564946 · Headquarters: Tulsa, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. One Person Inc

    EIN 471411181 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. One River International

    EIN 844916317 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. One Safe Place Fjc Inc

    EIN 814266873 · Headquarters: Shawnee, OK, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. One Soma Global Inc

    EIN 474228044 · Headquarters: Calera, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. One Step at a Time Foundation

    EIN 473635478 · Headquarters: OKLAHOMA CITY, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. One to One Fund

    EIN 320432416 · Headquarters: TULSA, OK, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. One to the Other Ministries Inc

    EIN 731318805 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. One True Light Inc

    EIN 455261115 · Headquarters: DUNCAN, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. One Trust Fund Inc

    EIN 736293361 · Headquarters: TULSA, OK, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. One U S for Us Foundation

    EIN 822035955 · Headquarters: Hodgen, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. One Veteran One Dog Two Lives Saved

    EIN 475573963 · Headquarters: Edmond, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. One Way for the Nations Foundation

    EIN 991214403 · Headquarters: Norman, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. One Way Mission

    EIN 453685364 · Headquarters: Lindsay, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. One Way Outreach

    EIN 800073079 · Headquarters: muskogee, OK, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  30. One World Inc

    EIN 810715712 · Headquarters: Edmond, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. One World One Love One Pride Corporation

    EIN 993564200 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. One World Tuition Inc

    EIN 813844081 · Headquarters: EDMOND, OK, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Oneness Ministires Inc

    EIN 844433117 · Headquarters: EDMOND, OK, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  34. Oneok Foundation Inc

    EIN 731503823 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. ONEOK Inc Employees Retiree Medical Benefit Trust

    EIN 364090934 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. ONEOK Inc Employees Retiree Medical Trust II

    EIN 276030717 · Headquarters: TULSA, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Oneseventeen Inc

    EIN 800621836 · Headquarters: OKLAHOMA CITY, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990

  38. Ongoers

    EIN 731068821 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Onpoint Sports Association

    EIN 474881331 · Headquarters: El Reno, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Onward Oklahoma Foundation Inc C/o Mark H Mann

    EIN 813609892 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Oolagah Historical Society

    EIN 731317932 · Headquarters: Oologah, OK, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Oolagah Mustang Round Up Club

    EIN 300130588 · Headquarters: OOLOGAH, OK, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. Oolagah Talala Public School Foundation Inc

    EIN 731353563 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Oologah Animal Shelter & Adoption Services

    EIN 452445508 · Headquarters: Oologah, OK, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Oologah Area Chamber of Commerce

    EIN 731217642 · Headquarters: OOLOGAH, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Oologah Community Foundation Inc

    EIN 461993622 · Headquarters: Oologah, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Oologah Ffa Booster Club

    EIN 830862925 · Headquarters: oologah, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Oologah Senior Citizens Club

    EIN 844713644 · Headquarters: Oologah, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Oologah Talala Fishing Team

    EIN 922236487 · Headquarters: TALALA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Oologah-talala Soccer Club

    EIN 821826694 · Headquarters: OOLOGAH, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. OPC Leagues Inc

    EIN 852599166 · Headquarters: Oklahoma City, OK, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Open Arms Inc

    EIN 710878351 · Headquarters: Boley, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Open Arms Youth Project Inc

    EIN 260032815 · Headquarters: TULSA, OK, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Open Church Inc

    EIN 451291352 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Open Cross Ranch Incorporated

    EIN 510647526 · Headquarters: GUYMON, OK, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Open Design Collective Inc

    EIN 825457203 · Headquarters: Oklahoma City, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Open Door - Living Waters Inc

    EIN 991977852 · Headquarters: Edmond, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Open Door Arts & Humanities Coalition Inc

    EIN 731217605 · Headquarters: TULSA, OK, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  59. Open Door Discipleship Ministries

    EIN 825285678 · Headquarters: TULSA, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Open Doors for Us Inc

    EIN 383663566 · Headquarters: OKC, OK, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Open for Business Oklahoma

    EIN 371960076 · Headquarters: OKLAHOMA CITY, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Open Government Initiative Incorporated

    EIN 332895729 · Headquarters: Midwest City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Open Heart Foundation

    EIN 836904110 · Headquarters: Edmond, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Open Heart Pregnancy Resource Center

    EIN 202111877 · Headquarters: Sand Springs, OK, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  65. Open Options Inc Ellis

    EIN 731553182 · Headquarters: OKLAHOMA CITY, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990

  66. Open Skies Ministries Inc

    EIN 043624159 · Headquarters: Meeker, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Open the World with a Book Inc

    EIN 853498898 · Headquarters: Claremore, OK, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Open Vessels Inc

    EIN 832597894 · Headquarters: MOORE, OK, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Openhearted Relief Fund Inc

    EIN 262341054 · Headquarters: Amber, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Opentable Community Cafe Inc

    EIN 474351146 · Headquarters: Owasso, OK, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  71. Operation Aware of Oklahoma

    EIN 731112912 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Operation Blessing Inc

    EIN 010617497 · Headquarters: Perry, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Operation C a R E

    EIN 432110164 · Headquarters: ALTUS, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Operation Care Inc

    EIN 731518618 · Headquarters: Laverne, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  75. Operation Care Ministries of Tillman County LLC

    EIN 843735346 · Headquarters: Frederick, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Operation Catnip Stillwater Inc

    EIN 454887744 · Headquarters: Stillwater, OK, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Operation Christmas Train Set Foundation Inc

    EIN 474606808 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Operation Concern Ministries Church Incorporated

    EIN 731455121 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Operation Eagle Indian Education Association

    EIN 201449072 · Headquarters: Bartlesville, OK, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Operation Engagement Inc

    EIN 842781154 · Headquarters: Yukon, OK, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Operation Faithful Support Inc

    EIN 452063743 · Headquarters: Cleveland, OK, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Operation Freedom Outdoors Inc

    EIN 821000723 · Headquarters: Blanchard, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Operation Greater Oklahoma Inc

    EIN 832892871 · Headquarters: Oklahoma City, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Operation Green Hope Foundation

    EIN 454891014 · Headquarters: Meridian, OK, US · Medical Research · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Operation Help Outreach Ministries International Inc

    EIN 831917348 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Operation Homefront Oklahoma Inc

    EIN 261282746 · Headquarters: LAWTON, OK, USA · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990

  87. Operation Hope Prison Ministry Inc

    EIN 731504386 · Headquarters: TULSA, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Operation Nightingale Inc

    EIN 922398058 · Headquarters: Cushing, OK, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Operation Truth Boot Camp

    EIN 900948412 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Operation Warmheart

    EIN 300360365 · Headquarters: TINKER AIR FORCE BASE, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Ophelias Grace Inc

    EIN 842254225 · Headquarters: Broken Bow, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Opponents of Yukon Amphitheater Aka Oya

    EIN 334648251 · Headquarters: YUKON, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Opportunities Development Corporation

    EIN 160912651 · Headquarters: Watonga, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Opportunities Inc

    EIN 730753941 · Headquarters: WATONGA, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Opportunities Industrialization Center

    EIN 730753216 · Headquarters: OKLAHOMA CITY, OK, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990

  96. Opportunity Center Foundation Inc

    EIN 237433632 · Headquarters: Ponca City, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Opportunity Center Inc

    EIN 730766443 · Headquarters: PONCA CITY, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Opportunity Oklahoma Incorporated

    EIN 200522195 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  99. Opportunity Ride Scholarship Foundation

    EIN 333626681 · Headquarters: Tulsa, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Opportunity Scholarship Fund

    EIN 464511347 · Headquarters: Tulsa, OK, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

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