Nonprofits in Oklahoma City, Oklahoma

Nonprofits in Oklahoma City, Oklahoma. Browse 4,077 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. Green-it Foundation Inc

    EIN 871649729 · Headquarters: Oklahoma City, OK, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Gregory Frizzell Prayer and Renewal Ministries Inc

    EIN 731616562 · Headquarters: Oklahoma City, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Gregorys Ii Homeowners Association

    EIN 800371050 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  4. Greyhound Pets of America

    EIN 481261536 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Ground Up Okc

    EIN 931452459 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ground Water Protection

    EIN 731210455 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Ground Water Research & Education Foundation Inc

    EIN 731271210 · Headquarters: OKLAHOMA CITY, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Grounded Oklahoma Christian Co-op Institute

    EIN 923013098 · Headquarters: OKLAHOMA CITY, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Gto Educational Foundation Inc

    EIN 473118638 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. Guard Nation Inc

    EIN 995100025 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Guatemaltecos En Oklahoma Association

    EIN 922930507 · Headquarters: Oklahoma City, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Guiding Right Inc

    EIN 731572221 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Guthrie Gunfighters Inc

    EIN 731519209 · Headquarters: Oklahoma City, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. H O P E Recovery Ministries International Inc

    EIN 881331229 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Haiders Paws Forward

    EIN 413040390 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Haiti Philanthropy Inc

    EIN 463924942 · Headquarters: Oklahoma City, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Halo Project International Foundation

    EIN 813947545 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Hammers 4 Honduras

    EIN 852470316 · Headquarters: Oklahoma City, OK, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Hand Up Ministries

    EIN 731501719 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Hands & Feet Ministries Inc

    EIN 824529457 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Haneborg Foundation

    EIN 205822347 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  22. Hannah Lillian Selikoff Memorial Foundat Ion

    EIN 871935469 · Headquarters: OKLAHOMA CITY, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Happiness Is Helping Foundation

    EIN 311695374 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  24. Harambee Inc

    EIN 731159965 · Headquarters: oklahoma city, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Harding Charter Preparatory School District

    EIN 731533946 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Harding Fine Arts Academy Foundation

    EIN 834575379 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Harding Fine Arts Academy Inc

    EIN 200011370 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Harding High School Alumni Association

    EIN 201659206 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Harper Academy Incorporated

    EIN 272206129 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990

  30. Harris Foundation Inc

    EIN 736093072 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Harry and Louise Brown Foundation

    EIN 731485811 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Harvest Hills Elementary Pto

    EIN 813213781 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Harvest House Ministries

    EIN 203832521 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Harvest Ministries Inc

    EIN 731338494 · Headquarters: Oklahoma City, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Harvestime Bible Institute Of

    EIN 825481639 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Have Notts Foundation

    EIN 882806980 · Headquarters: Oklahoma City, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Hawkins House Incorporated

    EIN 383810772 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Head Foundation

    EIN 821061165 · Headquarters: OKLAHOMA CITY, OK, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Heal Over Time Inc

    EIN 933706939 · Headquarters: Oklahoma CIty, OK, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Health Alliance for the Uninsured

    EIN 261789292 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Health Plan Tr for Members of Ola (the Oklahoma Lumbermen's Assoc)

    EIN 731298666 · Headquarters: OKLAHOMA CITY, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  42. Healthy Living & Fitness Inc

    EIN 472895862 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Hearing Ears Ministries Inc

    EIN 452413192 · Headquarters: Oklahoma City, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Hearing Loss Association of America

    EIN 205170755 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Hearing Loss Association of Oklahoma City Inc

    EIN 731651264 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Heart 4 Jesus Homeless Ministries LLC

    EIN 991274026 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Heart and Hand Ministries Inc

    EIN 731521227 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Heart of Man Project Inc

    EIN 922597353 · Headquarters: OKLAHOMA CITY, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Heartland Chapter of the American Business Womens Association

    EIN 731476499 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Heartland Husky Rescue Foundation

    EIN 810780894 · Headquarters: Oklahoma City, OK, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Heartlight Giving Inc

    EIN 921226461 · Headquarters: Oklahoma City, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Heartline Inc

    EIN 730800311 · Headquarters: Oklahoma City, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Hearts for Hearing Foundation

    EIN 582670613 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Heels for Hope Foundation

    EIN 800628791 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Hefner Middle School

    EIN 237118993 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. Hefner Middle School Pto

    EIN 813368737 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Helen M Driskell Scholarship Trust Fund C/O Bancfirst

    EIN 736226426 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Help All Violence End Now Inc

    EIN 731353729 · Headquarters: OKLAHOMA CITY, OK, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. Help One Foundation

    EIN 473065132 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. Help with Homes Inc

    EIN 844922071 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. Helping Hand

    EIN 201235080 · Headquarters: Oklahoma City, OK, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  62. Helping Others365

    EIN 824014344 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Henderson Heals Inc

    EIN 993582088 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Henthorne Opal I Charitable Trust

    EIN 731610356 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. Her First Women S Health of Oklahoma Inc

    EIN 331277748 · Headquarters: Oklahoma City, OK, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Her Uniqueness Through Love

    EIN 921736786 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Herbert Cooper Ministries

    EIN 431836960 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Heritage Hall

    EIN 730783395 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Heritage Hall Affiliated Fund of Occf Inc

    EIN 731506204 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Heritage21 Inc

    EIN 812123236 · Headquarters: Oklahoma City, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Herland Sister Resources

    EIN 731234530 · Headquarters: Oklahoma City, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Heroes in Waiting Inc

    EIN 920719754 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Hers Projects Inc

    EIN 461847497 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Higher Ground for Humanity

    EIN 330783200 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Highways and Byways Ministries Inc

    EIN 862824649 · Headquarters: Oklahoma City, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Hilltop Clinic

    EIN 472912503 · Headquarters: Oklahoma City, OK, United States · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. His Keys to Freedom Inc

    EIN 274629082 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. His Purpose Foundation

    EIN 455435390 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Hispanic American Mission Inc

    EIN 731171905 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Historic Brookhaven Neighborhood Association Incorporated

    EIN 331045012 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Historic Film RowFilm Exchange District Assocation

    EIN 260638948 · Headquarters: Oklahoma City, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Historical Preservation Inc

    EIN 237023817 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Historical Society of the Usdc for the Wdok

    EIN 800742925 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Hobby Lobby Stores Inc Medical & Dental Plan Trust

    EIN 731323414 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990

  85. Holsinger Charitable Trust No 1 Co

    EIN 814842039 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Holsinger Charitable Trust No 2 Co

    EIN 814886066 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Holy Innocents Foundation of Ok

    EIN 452515656 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Home Baking Association Inc

    EIN 362422312 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. Home Nest Honorable Order of the Blue Goose International

    EIN 237185064 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  90. Honestly Inc

    EIN 812820895 · Headquarters: Oklahoma City, OK, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Honor Society of Phi Kappa Phi

    EIN 201820836 · Headquarters: OKLAHOMA CITY, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Honor Society of Phi Kappa Phi

    EIN 731559516 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Honoring Americas Warriors Inc

    EIN 471637199 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. HOPE Community Services

    EIN 731098634 · Headquarters: Oklahoma City, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990

  95. Hope for Children and Families

    EIN 464730449 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Hope for Heroes

    EIN 471766402 · Headquarters: Oklahoma City, OK, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  97. Hope for Honduras Inc

    EIN 731574898 · Headquarters: Oklahoma City, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Hope For Samson Inc

    EIN 842971973 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  99. Hope For The Future Inc

    EIN 731619120 · Headquarters: Oklahoma City, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Hope in Oklahoma

    EIN 731608379 · Headquarters: OKLAHOMA CITY, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

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