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. Marine Corps League

    EIN 461218784 · Headquarters: Muldrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Marine Corps League

    EIN 464038084 · Headquarters: Indiahoma, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Marine Corps League

    EIN 510598819 · Headquarters: Claremore, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Marine Corps League

    EIN 731234982 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Marine Corps League

    EIN 731334704 · Headquarters: Barnsdall, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Marine Corps League

    EIN 731381334 · Headquarters: Tulsa, OK, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Marine Corps League

    EIN 731503249 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Marine Corps League

    EIN 800844461 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Marine Family Support Organization

    EIN 460807167 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Marines of Tahlequah Inc

    EIN 933298766 · Headquarters: Tahlequah, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Mariska Family Foundation

    EIN 873778486 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Marjorie Clayton Testamentary Trust

    EIN 206376188 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Mark & Linda Lyon Ministries Inc

    EIN 201391069 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Mark Brister Ministries

    EIN 262841496 · Headquarters: NORMAN, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Mark Campbell Legacy Fund

    EIN 832907353 · Headquarters: Claremore, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Mark Diehl Trust

    EIN 736215491 · Headquarters: CLAREMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Mark Driscoll Ministries

    EIN 472485096 · Headquarters: TULSA, OK, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990

  18. Mark Hitchcock Ministries Inc

    EIN 731590213 · Headquarters: Edmond, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Mark Johnson Ministries Inc

    EIN 475433186 · Headquarters: Chouteau, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Mark Little Ministries Inc

    EIN 731149868 · Headquarters: Edmond, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Mark Purkey Ministries Inc

    EIN 261948169 · Headquarters: Mustang, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Mark Stahl Ministries

    EIN 300298567 · Headquarters: Newcastle, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Mark Twain Pta

    EIN 237115259 · Headquarters: Tulsa, OK, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  24. Mark Vancuren Friends Of

    EIN 823703515 · Headquarters: OWASSO, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  25. Markoma Christian Ministries Inc

    EIN 730114179 · Headquarters: TAHLEQUAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Marland Bucket Brigade Association

    EIN 731366498 · Headquarters: Marland, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Marland Childrens Home Inc

    EIN 730592554 · Headquarters: Ponca City, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Marland Estate Foundation

    EIN 731374774 · Headquarters: Ponca City, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Marlee Project

    EIN 871136135 · Headquarters: Oklahoma City, OK, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Marlow After-prom Organization

    EIN 833859371 · Headquarters: Duncan, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Marlow Alumni Association Inc

    EIN 731201115 · Headquarters: Marlow, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Marlow Chamber of Commerce

    EIN 730340037 · Headquarters: Marlow, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Marlow Community Baseball League Association

    EIN 820881904 · Headquarters: MARLOW, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Marlow Firefighters Association

    EIN 842848502 · Headquarters: Marlow, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Marlow Public Schools Foundation Inc

    EIN 731395036 · Headquarters: Duncan, OK, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  36. Marlow Samaritans

    EIN 731396740 · Headquarters: Marlow, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Marlow Senior Citizens

    EIN 201978086 · Headquarters: Marlow, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Marlow Wrestling Booster Club

    EIN 475608168 · Headquarters: Duncan, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Marlow Youth Council

    EIN 731040166 · Headquarters: Marlow, OK, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  40. Marreys Angels

    EIN 333286692 · Headquarters: Durant, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Marriage & Family First Inc

    EIN 200369173 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  42. Marriage and Family Initiative Inc

    EIN 820693431 · Headquarters: Broken Arrow, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Marriage and Family Institute of Tulsa Inc

    EIN 205367068 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. Marriage Is Us Inc

    EIN 843270171 · Headquarters: CHECOTAH, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Marsh Foundation

    EIN 731291683 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  46. Marsha and Ellen Inc

    EIN 920445433 · Headquarters: Lawton, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Marshal Robert Scholarhip Foundation

    EIN 933379243 · Headquarters: SAPULPA, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Marshall Co of Ok Genealogy Historic Society

    EIN 731392971 · Headquarters: Madill, OK, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  49. Marshall County Antique Iron Club Inc

    EIN 204401946 · Headquarters: Ardmore, OK, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Marshall County Chamber of Commerce

    EIN 730543623 · Headquarters: MADILL, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Marshall County Chickasaw Council

    EIN 470938395 · Headquarters: Kingston, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Marshall County EMS District

    EIN 731166904 · Headquarters: Madill, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Marshall County Fair Board

    EIN 731210540 · Headquarters: Madill, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Marshall County Hospital Foundation

    EIN 736105494 · Headquarters: Madill, OK, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Marshall County Ministerial Alliance Inc

    EIN 474516626 · Headquarters: Madill, OK, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Marshall County Partners in Progress Association

    EIN 811839948 · Headquarters: Madill, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Marshall County Sheriffs Deputy Reserve

    EIN 731533747 · Headquarters: MADILL, OK, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. Marshall County Water Coproration

    EIN 730939020 · Headquarters: MADILL, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Marshall County Youth Shooting Sports

    EIN 814073363 · Headquarters: Madill, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Marshall High School Alumni Association

    EIN 731409584 · Headquarters: MARSHALL, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Marshall W Maupin Testamentary Trust

    EIN 746445416 · Headquarters: CLAREMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Marsy's Law for Oklahoma Sq 794

    EIN 822417753 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  63. Martha's Foundation

    EIN 463138284 · Headquarters: Tulsa, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Martha's Task

    EIN 731594584 · Headquarters: BARTLESVILLE, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Marthas Heart Ministries Inc

    EIN 263445785 · Headquarters: Sapulpa, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Martin Bassett Ministries Inc

    EIN 834471903 · Headquarters: Broken Arrow, OK, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Martin Charles L & Opal Charitable

    EIN 817023076 · Headquarters: DEWEY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Martin Entertainment Inc

    EIN 825110084 · Headquarters: Stillwater, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Martin Family Association Incorporated

    EIN 851168890 · Headquarters: Moore, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Martin Family Foundation

    EIN 883336404 · Headquarters: OKMULGEE, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. Martin Luther King Jr Lions Pta

    EIN 813779330 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Martin Missions Inc

    EIN 882401973 · Headquarters: BROKEN ARROW, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Martin Reunion

    EIN 371762353 · Headquarters: Leedey, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Marty Grisham Ministries Inc

    EIN 205469510 · Headquarters: Bixby, OK, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. Marvin and Valoyce Musgrove Family Charitable Foundation Inc

    EIN 461797538 · Headquarters: Ponca City, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Marvin Phillips Ministries Association of Tulsa Oklahoma

    EIN 731514164 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Marvin Yoder Ministries INC

    EIN 852138265 · Headquarters: Broken Arrow, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Mary & James Harrison Foundation

    EIN 274461173 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Mary Abbott Children's House

    EIN 731512416 · Headquarters: Norman, OK, United States · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Mary Banister Foundation Inc

    EIN 872384937 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Mary Cochran Quincy Memorial Fund Inc

    EIN 731182571 · Headquarters: MCALESTER, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Mary E Jones Student Trust

    EIN 736133947 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Mary Griffith House Inc

    EIN 205793470 · Headquarters: STIGLER, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Mary Jane Dowse Charitable Trust

    EIN 116573892 · Headquarters: CLAREMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Mary K Ashbrook Foundation for El Reno Ok

    EIN 731049531 · Headquarters: EL RENO, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Mary K Oxley Foundation

    EIN 270577885 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Mary K Oxley Nature Center

    EIN 237429560 · Headquarters: Tulsa, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Mary L Livermore Foundation

    EIN 751623098 · Headquarters: Poteau, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  89. Mary Lou Lemon Foundation

    EIN 461637247 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Mary Lou Trolinger Senior Center Association

    EIN 731193977 · Headquarters: CROWDER, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Mary Martha Outreach Inc

    EIN 731588880 · Headquarters: Bartlesville, OK, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  92. Mas Futbol Foundation

    EIN 882509332 · Headquarters: OKLAHOMA CITY, OK, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  93. Mash Fire Nation

    EIN 474021275 · Headquarters: Shawnee, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Maslynn Cosby Kleefstra Syndrome Foundation

    EIN 853630601 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Masonic Building Association of Muskogee Oklahoma

    EIN 730342340 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Masonic Charity Foundation of Oklahoma

    EIN 736097262 · Headquarters: EDMOND, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Masonic Hospital Association

    EIN 731591288 · Headquarters: Cherokee, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Masonic Temple Foundation of Muskogee Oklahoma

    EIN 736096563 · Headquarters: Muskogee, OK, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  99. Massey Cemetery Association

    EIN 421678577 · Headquarters: mcalester, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Massey Family Foundation

    EIN 432065394 · Headquarters: DURANT, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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