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. Alpha Chi Omega Fraternity Inc

    EIN 736102885 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Alpha Chi Omega Fraternity Inc

    EIN 736103431 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Alpha Chi Omega Fraternity Inc

    EIN 736104349 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Alpha Chi Omega Gamma Epsilon Chapter

    EIN 736099722 · Headquarters: Stillwater, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Alpha Chi Omega Psi Chapter House Corporation

    EIN 237069626 · Headquarters: BROKEN ARROW, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Alpha Community Foundation of Oklahoma

    EIN 861339855 · Headquarters: Oklahoma City, OK, United States · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Alpha Council No 18 Royal & Select Masters

    EIN 237240096 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Alpha Delta Kappa Sorority Inc

    EIN 736113436 · Headquarters: Shawnee, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Alpha Epsilon Delta

    EIN 260045496 · Headquarters: Bethany, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  10. Alpha Epsilon Delta

    EIN 431950274 · Headquarters: Shawnee, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Alpha Epsilon Delta

    EIN 731125416 · Headquarters: Tulsa, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. Alpha Epsilon Delta

    EIN 731391088 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Alpha Epsilon Delta

    EIN 736103887 · Headquarters: Norman, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  14. Alpha Epsilon Delta

    EIN 736111453 · Headquarters: Stillwater, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  15. Alpha Eta Building Fund Corp

    EIN 736096948 · Headquarters: BROKEN ARROW, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Alpha Gamma Delta Epsilon Nu House Assn

    EIN 237091970 · Headquarters: Edmond, OK, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. Alpha Gamma Delta Fraternity

    EIN 237038117 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Alpha Gamma Delta Fraternity

    EIN 736103527 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Alpha Gamma Delta Fraternity

    EIN 736103699 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Alpha Gamma Delta Fraternity

    EIN 736106497 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Alpha Gamma Delta Fraternity

    EIN 736112527 · Headquarters: Ada, OK, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  22. Alpha Gamma Delta Fraternity EN

    EIN 730710916 · Headquarters: Edmond, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Alpha Gamma Rho Fraternity Pi Chapter

    EIN 730582564 · Headquarters: Stillwater, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Alpha Ii Inc

    EIN 730980059 · Headquarters: TONKAWA, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990

  25. Alpha Kappa Alpha Sorority Inc

    EIN 363201704 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  26. Alpha Kappa Alpha Sorority Inc

    EIN 364320748 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. Alpha Kappa Psi Fraternity

    EIN 736111821 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Alpha Mothers Club

    EIN 352910707 · Headquarters: HOLDENVILLE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Alpha Okies Inc

    EIN 731534787 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Alpha Omega Global Ministries

    EIN 823606034 · Headquarters: Claremore, OK, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Alpha Omicron Facility Corporation of Kappa Alpha Theta Fraternity a Corp

    EIN 731089140 · Headquarters: NORMAN, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Alpha Omicron of Alpha Delta Pi Building Corporation

    EIN 736103129 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Alpha Omicron Pi Fraternity Inc

    EIN 731517555 · Headquarters: TAHLEQUAH, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. Alpha Omicron Pi Fraternity Inc

    EIN 731529301 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Alpha Pack Martial Arts Booster Club

    EIN 463459210 · Headquarters: TULSA, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Alpha Phi International Fraternity Inc

    EIN 510198771 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  37. Alpha Phi Omega

    EIN 237384338 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Alpha Phi Omega

    EIN 731551792 · Headquarters: STILLWATER, OK, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Alpha Phi Omega

    EIN 736108731 · Headquarters: NORMAN, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Alpha Philucy Finnerty Educational Fund

    EIN 731440348 · Headquarters: NORMAN, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Alpha Pi Advocacy Group

    EIN 844263865 · Headquarters: MUSKOGEE, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Alpha Pi Mu Association

    EIN 237039203 · Headquarters: Norman, OK, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  43. Alpha Pi Mu Association

    EIN 736102790 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Alpha Psi

    EIN 263479922 · Headquarters: Fort Gibson, OK, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  45. Alpha Rehibilitation and Wellness Foundation

    EIN 993355694 · Headquarters: OKLAHOMA CITY, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Alpha Rho Tau-civic Art Association

    EIN 832979887 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Alpha Sigma Alpha Sorority

    EIN 300276552 · Headquarters: Alva, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. Alpha Sigma Alpha Sorority

    EIN 736118853 · Headquarters: Broken arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Alpha Sigma Phi Fraternity Inc

    EIN 475168633 · Headquarters: Norman, OK, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Alpha Sigma Tau Rho Chapter Alumnae Association

    EIN 460709442 · Headquarters: Durant, OK, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  51. Alpha Tau Omega Fraternity

    EIN 510231330 · Headquarters: Stillwater, OK, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  52. Alpha Tau Omega Housing Corporation of Edmond Oklahoma

    EIN 736112445 · Headquarters: edmond, OK, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  53. Alpha Xi Delta Fraternity

    EIN 471323070 · Headquarters: BETHANY, OK, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  54. AlS Patient Services Outreach Inc

    EIN 455454628 · Headquarters: TULSA, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Alternative Dui Sch and Assessments

    EIN 731623074 · Headquarters: Tulsa, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Althea International Ministries Inc

    EIN 731482516 · Headquarters: Yukon, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Altruism Inc

    EIN 811017671 · Headquarters: TULSA, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Altrusa Foundation of Chickasha Oklahoma Inc

    EIN 471774461 · Headquarters: Chickasha, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Altrusa International Foundation Inc

    EIN 270672275 · Headquarters: STILLWATER, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Altrusa International Inc

    EIN 736095191 · Headquarters: Stillwater, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. Altrusa International Inc

    EIN 736104060 · Headquarters: Chickasha, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Altrusa International Inc

    EIN 736107271 · Headquarters: Norman, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  63. Altus 12Th Man Club

    EIN 471893014 · Headquarters: Altus, OK, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Altus Air Force Base Afb First Sergeants Group

    EIN 731431452 · Headquarters: Altus AFB, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Altus Air Force Base Chiefs Group

    EIN 731416223 · Headquarters: Altus AFB, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Altus Air Force Base Top Three

    EIN 731373701 · Headquarters: Altus, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Altus Animal Welfare Association

    EIN 811137820 · Headquarters: Altus, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Altus Boom Operators Association

    EIN 731514629 · Headquarters: ALTUS AFB, OK, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. Altus Chamber of Commerce

    EIN 730125260 · Headquarters: ALTUS, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Altus Chapter No 60 Royal Arch Masons of Oklahoma

    EIN 273277052 · Headquarters: Altus, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Altus Choir Booster Club

    EIN 264107210 · Headquarters: ALTUS, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Altus Christian Academy

    EIN 205072453 · Headquarters: Altus, Oklahoma, United States · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Altus Community Foundation Inc

    EIN 731553886 · Headquarters: Altus, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Altus Council No 33 Cryptic Masons of Oklahoma

    EIN 273277139 · Headquarters: Altus, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Altus Greenbelt Jr Golf

    EIN 932594539 · Headquarters: ALTUS, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Altus Gymnastics Academy Inc

    EIN 522395497 · Headquarters: ALTUS, OK, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  77. Altus H20 Club

    EIN 821138230 · Headquarters: ELMER, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Altus Homerun Club

    EIN 811667368 · Headquarters: Altus, OK, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Altus Jackson County Economic Development Inc

    EIN 730989941 · Headquarters: Altus, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  80. Altus Public School Foundation Inc

    EIN 731384511 · Headquarters: Altus, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Altus Rotary Club

    EIN 270845692 · Headquarters: Altus, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Altus Spouses Club

    EIN 730980055 · Headquarters: Altus, OK, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  83. Altus Spouses Club

    EIN 731060585 · Headquarters: Altus, OK, US · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. Altus Tip in Club

    EIN 812532821 · Headquarters: ALTUS, OK, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Altus Wrestling Booster Club

    EIN 821526920 · Headquarters: Altus, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Altus Youth Football League Association

    EIN 932430050 · Headquarters: SNYDER, OK, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Altus-Southwest Area Economic Development Corporation

    EIN 731383156 · Headquarters: Altus, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  88. Alumnae of Tau Beta Chapter of Chi Omega Fraternity

    EIN 736096860 · Headquarters: STILLWATER, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Alumni Association for Shawnee High School Shawnee Oklahoma Inc

    EIN 461013868 · Headquarters: Shawnee, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Alumni Association Foundation of Healdton

    EIN 736114427 · Headquarters: HEALDTON, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Alumni Association of Baqai Incorpo Ration

    EIN 392905695 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Alva Bpoe 1184

    EIN 730712206 · Headquarters: ADA, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Alva Branch of the American Association of University Women

    EIN 736103680 · Headquarters: Manchester, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Alva Chamber of Commerce

    EIN 730125450 · Headquarters: Alva, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Alva Chapt 1643 Women of the Moose

    EIN 731080586 · Headquarters: Alva, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Alva Community Theatre a C T I Incorporated

    EIN 731234411 · Headquarters: Alva, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Alva Friends of Play Foundation

    EIN 452404306 · Headquarters: Alva, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Alva Golf and Country Club

    EIN 730555851 · Headquarters: ALVA, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  99. Alva Moose Lodge 2100 Inc

    EIN 730796263 · Headquarters: Alva, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Alva Mural Society

    EIN 731533925 · Headquarters: ALVA, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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