Unknown & Unclassified nonprofits in Oklahoma

Unknown & Unclassified nonprofits in Oklahoma. Browse 6,510 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. North Central Section of the Ninety Nines Inc

    EIN 366144645 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. North Central Section of the Ninety Nines Inc

    EIN 382309675 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. North Central Section of the Ninety Nines Inc

    EIN 383747363 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. North Central Section of the Ninety Nines Inc

    EIN 411373984 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. North Central Section of the Ninety Nines Inc

    EIN 421167904 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. North Central Section of the Ninety Nines Inc

    EIN 430912634 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. North Central Section of the Ninety Nines Inc

    EIN 431178249 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. North Central Section of the Ninety Nines Inc

    EIN 862072899 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Northeast Oklahoma Board of Realtors

    EIN 731154340 · Headquarters: GROVE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Northeast Oklahoma Electric Cooperative

    EIN 730375582 · Headquarters: Vinita, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. Northeast Oklahoma Region Sports Car Club of America Inc

    EIN 751019260 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Northeast Oklahoma Square Dance Association

    EIN 730783778 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Northeastern Campus Christian Fello

    EIN 237420678 · Headquarters: TAHLEQUAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Northeastern Okla Bmw Motorcycle Club

    EIN 731366203 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  15. Northeastern Oklahoma A&M College Development Foundation Inc

    EIN 731209617 · Headquarters: Miami, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Northeastern Oklahoma Woodturners Association

    EIN 300272511 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Northern Division Employee Activity Club

    EIN 823721676 · Headquarters: Bartlesville, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Northern Okla Youth Services Center & Shelter Inc

    EIN 730938096 · Headquarters: PONCA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Northfork Electric Cooperative Inc

    EIN 730375288 · Headquarters: SAYRE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Northwest Casady Kiwanis Foundation Inc

    EIN 736102781 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Northwest District of Oklahoma State Federation of Square Dancers Club

    EIN 736126123 · Headquarters: MUTUAL, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Northwest Domestic Crisis Services

    EIN 731131158 · Headquarters: WOODWARD, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Northwest Oklahoma Association of Realtors Inc

    EIN 736107222 · Headquarters: Enid, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Northwest Oklahoma Beekeepers Assn

    EIN 731301837 · Headquarters: Laverne, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Northwest Oklahoma Blood Institute

    EIN 731056929 · Headquarters: Enid, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Northwest Oklahoma City Chamber Inc

    EIN 730744789 · Headquarters: BETHANY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Northwest Oklahoma Community Service Association Inc

    EIN 731078275 · Headquarters: BETHANY, OK, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  28. Northwest Oklahoma Crisis Pregnancy Center Inc

    EIN 731423490 · Headquarters: WOODWARD, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Northwest Oklahoma Literacy Council

    EIN 731324137 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Northwest Oklahoma Woodturners Association

    EIN 471123406 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Northwest Optimist Club of Oklahoma City Inc

    EIN 736103165 · Headquarters: BETHANY, OK, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  32. Northwest Pipeline Voluntary Employees' C/o Bokf Na

    EIN 731429859 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Northwest Section of the Ninety Nines

    EIN 830242158 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Northwest Section of the Ninety Nines

    EIN 910955826 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Northwest Section of the Ninety Nines

    EIN 910968102 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Northwest Section of the Ninety Nines

    EIN 910968105 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Northwest Section of the Ninety-nines

    EIN 352584004 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Northwest Section of the Ninety-nines

    EIN 911220003 · Headquarters: Oklahoma, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Northwest Section of the Ninety-nines

    EIN 930667960 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Northwest Senior Living Foundation

    EIN 812035337 · Headquarters: WOODWARD, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  41. Northwestern Electric Cooperative

    EIN 730375825 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Notables of Okc Corporation

    EIN 992050529 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Nowata Area Chamber of Commerce

    EIN 730376157 · Headquarters: Nowata, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Nowata Country Club

    EIN 237234930 · Headquarters: NOWATA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Nowata County Historical Society Inc

    EIN 237091300 · Headquarters: Nowata, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Nowata Farmers Market

    EIN 461807289 · Headquarters: Nowata, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  47. Nowata Speech Inc

    EIN 731246855 · Headquarters: Nowata, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Nu Mu Alumni Association of Kappa Kappa Psi

    EIN 990428853 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Nu Omicron Alumni Association of Kappa Kappa Psi

    EIN 923803730 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Nurse Organization of Veterans Affairs

    EIN 300991735 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Nw Oklahoma Building Assn

    EIN 730737659 · Headquarters: Enid, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. O a K Rv Club

    EIN 900627720 · Headquarters: Sapulpa, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  53. O D Dempsey Jr Memorial Foundation

    EIN 826823706 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. O R a Education Foundation Dba Oklahoma Hospitality Foundation

    EIN 731006627 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. O R U Golden Eagle Club Inc

    EIN 237164698 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. O-a Incorporated

    EIN 275490626 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. O-k Chisholm Trail Cattle Drovers Association

    EIN 815201224 · Headquarters: MEDFORD, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Oak Growe Cemetery

    EIN 731129287 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Oak Hall Episcopal School

    EIN 731023224 · Headquarters: ARDMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Oak Hills Golf & Country Club

    EIN 730596980 · Headquarters: ADA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Oak Lawn Community Center

    EIN 731476474 · Headquarters: Marlow, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Oakman Cemetary Tr Association

    EIN 731383098 · Headquarters: Ada, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Oakridge Volunteer Fire Department

    EIN 811823650 · Headquarters: Duncan, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Oakwood Country Club of Enid

    EIN 730550670 · Headquarters: Enid, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Oakwood Fire Dept

    EIN 237430333 · Headquarters: OAKWOOD, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Oarc Carter County Inc

    EIN 237076901 · Headquarters: ARDMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Oasis Community & Coffee Inc

    EIN 331523744 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Oasis Teaching Ministries Inc

    EIN 731218769 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Oateca Transition Center Inc

    EIN 862638064 · Headquarters: Yukon, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Oc-alc-fm Booster Club

    EIN 464801520 · Headquarters: Tinker AFB, OK, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Octavia Cemetary Assn Inc

    EIN 736215041 · Headquarters: Smithville, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Office and Professional Employees International Union

    EIN 736102603 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Officer Jeffery M Mccoy Memorial Scholarship Fund

    EIN 463093676 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Officer Justin Terney Scholarship Fund

    EIN 824992073 · Headquarters: Earlsboro, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Oge Energy Corp Foundation Inc

    EIN 736093572 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Oglesby Civil Defense Volunteer Fire Department

    EIN 731274165 · Headquarters: RAMONA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Oh & Hattie Lachenmeyer Development Trust

    EIN 731118154 · Headquarters: CUSHING, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Ohm Space

    EIN 274960044 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  79. Oil Capital Rod & Gun Club

    EIN 731055136 · Headquarters: Broken Arrow, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Ok Alumni Association of Alpha Gamma Rho

    EIN 736104140 · Headquarters: Stillwater, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Ok Choctaw Tribal Alliance Inc

    EIN 731239899 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Ok Delta-delta Theta Chi Sorority

    EIN 262635397 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ok Epsilon Chapter of Delta Theta Chi Sorority

    EIN 262356260 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ok State Legislative Board C/o Lonald G Pitner

    EIN 730763640 · Headquarters: MOORE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Okarche Rural Water District Inc

    EIN 237056516 · Headquarters: OKARCHE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Okc Hope Link a Not-for-profit Corporation

    EIN 263056495 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. Okc Metro Knitters Guild

    EIN 261390827 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Okc Midtown Rotary Club Inc

    EIN 270294595 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Okc Pc Users Group Inc

    EIN 731298652 · Headquarters: Oklahonma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Okc Pi Beta Phi Foundation

    EIN 731600016 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Okc Shooters

    EIN 831736415 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Okc Youth for Christ Inc

    EIN 731391940 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Okeene Chamber of Commerce

    EIN 731196133 · Headquarters: OKEENE, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  94. Okeene Ministerial Alliance

    EIN 800542542 · Headquarters: OKEENE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Okema Chamber of Commerce

    EIN 730380085 · Headquarters: OKEMAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Okemah Alumni Association

    EIN 731422331 · Headquarters: Okemah, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Okemah Community Special Housing

    EIN 731208952 · Headquarters: Shawnee, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Okie Rebel Jeeps

    EIN 825016031 · Headquarters: MOORE, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. Okiebago State Club

    EIN 331178074 · Headquarters: Bartlesville, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Okla Assisted Living Facilities Asn

    EIN 731517707 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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