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. Okmulgee County Family Resource Ctr

    EIN 731332643 · Headquarters: OKMULGEE, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Okmulgee County Family Ymca

    EIN 731062474 · Headquarters: OKMULGEE, OK, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990

  3. Okmulgee County Genealogical Society

    EIN 331654860 · Headquarters: Okmulgee, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Okmulgee County Historical Society

    EIN 611994584 · Headquarters: Okmulgee, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Okmulgee County Homeless Shelter Inc

    EIN 731485176 · Headquarters: Okmulgee, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Okmulgee County Humane Society

    EIN 731143270 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Okmulgee County Multi-cultural Heritage Association

    EIN 731553066 · Headquarters: Okmulgee, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Okmulgee County Rural Fire Association Inc

    EIN 471182495 · Headquarters: BEGGS, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Okmulgee County Sharks Special Athletic Association

    EIN 462315359 · Headquarters: Schulter, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Okmulgee Education Foundation

    EIN 731439808 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Okmulgee Elks Lodge 1822

    EIN 730722963 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  12. Okmulgee Fraternal Order of Police Lodge 96 Inc

    EIN 237176960 · Headquarters: Okmulgee, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Okmulgee Historical Society Inc

    EIN 010975384 · Headquarters: OKMULGEE, OK, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  14. Okmulgee Junior Football Association Inc

    EIN 731367998 · Headquarters: OKMULGEE, OK, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  15. Okmulgee Main St Inc

    EIN 731514622 · Headquarters: OKMULGEE, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Okmulgee Medical Foundation Inc

    EIN 730766656 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Okmulgee Memorial Hospital Inc

    EIN 731279909 · Headquarters: Okmulgee, OK, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  18. Okmulgee Service League Inc

    EIN 730761371 · Headquarters: Okmulgee, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Okmulgee Young Professionals Incorporated

    EIN 863895854 · Headquarters: Okmulgee, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Okmulgee-okfuskee County Youth Services

    EIN 731486908 · Headquarters: Okmulgee, OK, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Okna Inc

    EIN 991109511 · Headquarters: Claremore, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Okna Oklahoma Ninja Academy Inc

    EIN 844256955 · Headquarters: Ardmore, OK, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Okplac Inc

    EIN 880832446 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Okpop Foundation

    EIN 832263171 · Headquarters: TULSA, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Okra Oklahoma Recycling Association

    EIN 731501007 · Headquarters: TULSA, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Okrespond Foundation

    EIN 842746748 · Headquarters: OKLAHOMA CITY, OK, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Okrlca Auxilary

    EIN 800302845 · Headquarters: Gate, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Okssa Inc

    EIN 990619825 · Headquarters: Tulsa, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Oktaha Education Foundation

    EIN 320551408 · Headquarters: Oktaha, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. OKTEPOklahoma Tribal Engagement Partners Inc

    EIN 841978659 · Headquarters: Stillwater, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Oku Education Foundation

    EIN 830662160 · Headquarters: Lenapah, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Okwatchdog Inc

    EIN 260576627 · Headquarters: Tulsa, OK, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. Old Bokoshe Cemetery Association

    EIN 731210682 · Headquarters: Bokoshe, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Old Central Culture Council Inc

    EIN 731407749 · Headquarters: Yukon, OK, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Old Chief Lonewolf Descendants Ltd

    EIN 731505215 · Headquarters: Lawton, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Old Landmarks Hour

    EIN 840741735 · Headquarters: GOLDSBY, OK, USA · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  37. Old Panther Cemetery Association

    EIN 731223969 · Headquarters: MCCURTAIN, OK, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Old Paws Rescue Ranch Inc

    EIN 822987342 · Headquarters: Enid, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Old Rose and Gray Foundation Incorporated

    EIN 203473013 · Headquarters: Norman, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  40. Old Rx Charitable Foundation

    EIN 477366651 · Headquarters: TAHLEQUAH, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Old Saline Cherokee Association

    EIN 922364475 · Headquarters: Locust Grove, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Old Sallisaw School Association

    EIN 731468219 · Headquarters: SALLISAW, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Old Testament New Testament Evangelistic Association

    EIN 844867953 · Headquarters: Lawton, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Old Town Hall Museum Association Inc

    EIN 237300050 · Headquarters: Hugo, OK, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  45. Old Town North Neighborhood

    EIN 731071748 · Headquarters: Lawton, OK, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Old Towne Square Inc

    EIN 261404499 · Headquarters: Lawton, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Old Woodward Hospital Restoration and Preservation Association

    EIN 474023939 · Headquarters: Woodward, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Olde Capitol Hill Council Inc

    EIN 731438580 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Olde Port Museum Association Inc

    EIN 010248888 · Headquarters: Hugo, OK, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  50. OldGreer County Museun and Hall of Fame Inc

    EIN 237426496 · Headquarters: Mangum, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Oldies N Goodies Car Club Inc

    EIN 731411663 · Headquarters: BARTLESVILLE, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Olive Hill Cemetery Association

    EIN 834411009 · Headquarters: MOORE, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Olive Volunteer Fire Department Inc

    EIN 202618473 · Headquarters: Drumright, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Olive Youth Sports Association

    EIN 471565564 · Headquarters: DRUMRIGHT, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Olivepeace Foundation

    EIN 934791397 · Headquarters: Oklahoma City, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Oliver and Friends Farm Sanctuary Incorporated

    EIN 822613989 · Headquarters: LUTHER, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Oliver PTA

    EIN 731472601 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Olives Place Dove and Pigeon Sanctuary Inc

    EIN 841874052 · Headquarters: Sand Springs, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Olympic and Winter Sports Museum

    EIN 222293920 · Headquarters: Hugo, OK, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. Omas Gift of Hope Inc

    EIN 332216502 · Headquarters: SHAWNEE, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Omeg Vision for Humanity Inc

    EIN 334202399 · Headquarters: Jenks, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Omega Foundation Inc

    EIN 731526326 · Headquarters: TULSA, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Omega Home Network Inc

    EIN 820835741 · Headquarters: Tulsa, OK, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Omega International Ministries Inc

    EIN 262935776 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Omega League Okc Inc

    EIN 332550963 · Headquarters: Oklahoma City, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Omega Psi Phi Fraternity

    EIN 450605724 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Omega Psi Phi Fraternity

    EIN 736102653 · Headquarters: TULSA, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Omega Psi Phi Fraternity

    EIN 736103602 · Headquarters: Langston, OK, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  69. Omega Psi Phi Fraternity

    EIN 736110763 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Omicron Delta Epsilon International Honor Society in Economics Inc

    EIN 460498977 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  71. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 911955135 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  72. Omicron Kappa Upsilon-honorary Dental Society

    EIN 510177678 · Headquarters: oklahoma city, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Omicron Lambda Chapter of Omega Psi Phi Fraternity Inc

    EIN 274932428 · Headquarters: Stillwater, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Omni Fundraising Inc

    EIN 412997525 · Headquarters: Woodward, OK, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Omni Life Community Health Partners Inc

    EIN 800469300 · Headquarters: Oklahoma City, OK, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Omoribe Project Inc

    EIN 812169876 · Headquarters: Sand Springs, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. On Earth as It Is in Heaven Ministries Inc

    EIN 882162036 · Headquarters: ALTUS, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. On Holy Ground Ministries

    EIN 731272184 · Headquarters: Del City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. On Our Journey Home Ministries Inc

    EIN 832494387 · Headquarters: PORTER, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. On Stage Woodward

    EIN 731083004 · Headquarters: WOODWARD, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. On the Chisholm Trail Association

    EIN 731529204 · Headquarters: DUNCAN, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. On the Radar Sports

    EIN 853601636 · Headquarters: NEWCASTLE, OK, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. On the Right Trail Horse Rescue Inc

    EIN 200710680 · Headquarters: Nowata, OK, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  84. On the Road Ministry Inc

    EIN 752749474 · Headquarters: Durant, OK, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. On the Rock Ministries Inc

    EIN 731536924 · Headquarters: BARTLESVILLE, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. On White Horses

    EIN 270426195 · Headquarters: PADEN, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Onaben

    EIN 931064121 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Oncallproject Foundation

    EIN 933124150 · Headquarters: Edmond, OK, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Oncology Nursing Society

    EIN 731296625 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. One Aux Incorporated

    EIN 392363287 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. One Badge Foundation

    EIN 994045741 · Headquarters: Jenks, OK, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. One Bag One Hope Inc

    EIN 933716159 · Headquarters: Bixby, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. One Bike 918 Inc

    EIN 923798776 · Headquarters: Pryor, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. One by One Friends of Animals

    EIN 465655836 · Headquarters: Claremore, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. One Church One Child Inc

    EIN 731477253 · Headquarters: TULSA, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. One Cura Family Clinic-anadarko Inc

    EIN 811804262 · Headquarters: Anadarko, OK, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990

  97. One Cura Family Clinic-stroud Inc

    EIN 811824062 · Headquarters: STROUD, OK, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990

  98. One Eleven One Ministries Inc

    EIN 201047171 · Headquarters: Sand Springs, OK, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. One Fire Association Kenwood Wickliffe Communities

    EIN 814047586 · Headquarters: Salina, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. One Fire Ministries Inc

    EIN 332246676 · Headquarters: TULSA, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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