Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Oklahoma State Chamber of Commerce and Industry Inc

    EIN 731270209 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Oklahoma State Council of Mineralogical Societies

    EIN 731292790 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. Oklahoma State Demolay Mothers Club

    EIN 465623851 · Headquarters: Yukon, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Oklahoma State Dermatology and Dermatologic Surgery Society

    EIN 731044383 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Oklahoma State Electrologists Association

    EIN 731160428 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Oklahoma State Firefighters Assoc

    EIN 730704956 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Oklahoma State Florists Association Inc

    EIN 736098193 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Oklahoma State Home Builders

    EIN 730683222 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Oklahoma State Medical Asociation Auxiliary

    EIN 731103004 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Oklahoma State Medical Association

    EIN 730384245 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 462657623 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731347764 · Headquarters: Beggs, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357671 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357673 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357674 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357676 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357996 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731357997 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731358007 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731358016 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731363964 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731365967 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731365969 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 731365978 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 743176572 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 912026076 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. Oklahoma State Organization Intl Good Sam Recreational Vehicle Club

    EIN 912067875 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Oklahoma State Quality Award Foundation Inc

    EIN 731437273 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Oklahoma State Radiological Society Attn Gabe Graham

    EIN 731311694 · Headquarters: Porter, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Oklahoma State Troopers Association

    EIN 237395722 · Headquarters: YUKON, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Oklahoma State Union of the Farmers Edu- Cational & Cooperative Union of America

    EIN 730235820 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Oklahoma State University PAD Chapter

    EIN 943103979 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Oklahoma State University Student Chapter

    EIN 237379490 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Oklahoma Steel Guitar Association

    EIN 731440284 · Headquarters: MOUNDS, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Oklahoma Stewardship Council Inc

    EIN 475596112 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  36. Oklahoma Suna Society of Urologic Nurses and Associates

    EIN 800219654 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Oklahoma Swift Academy Inc

    EIN 851285212 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Oklahoma Swimming Inc

    EIN 311012862 · Headquarters: BROKEN ARROW, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Oklahoma Telephone Association

    EIN 730384315 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Oklahoma Texas Panhandle Chapter of Ida

    EIN 731080839 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Oklahoma Titans Football Association Inc

    EIN 473535081 · Headquarters: KELLYVILLE, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Oklahoma Transit Association PMB # 13281

    EIN 752129006 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Oklahoma Travel Industry Association

    EIN 731301841 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Oklahoma Trial Judges Association

    EIN 731519195 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Oklahoma Trucking Association

    EIN 730132840 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Oklahoma Turnaround Fund

    EIN 832545172 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  47. Oklahoma United 2031

    EIN 921075723 · Headquarters: MINCO, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Oklahoma United for Progress Inc

    EIN 861617355 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Oklahoma Urban and Community Forestry Council Inc

    EIN 731385498 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Oklahoma Vendors Association

    EIN 731602505 · Headquarters: Avery, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Oklahoma Venture Forum

    EIN 731294392 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Oklahoma Veterans Council

    EIN 731286535 · Headquarters: Duncan, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Oklahoma Veterans Memorial

    EIN 731209026 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Oklahoma Veterinary Medical Association

    EIN 731160358 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Oklahoma Vocational Ag Teacher's Association

    EIN 731172026 · Headquarters: STILLWATER, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Oklahoma Well Log Library Inc

    EIN 730708636 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Oklahoma Wheat Growers Association

    EIN 730707334 · Headquarters: ENID, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Oklahoma Women Veterans Organization Inc

    EIN 731279885 · Headquarters: CHOCTAW, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Oklahoma Woodland Owners Association

    EIN 731506269 · Headquarters: SPRINGDALE, AR, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Oklahoma Workforce and Citizens of Tomorrow Coalitioninc

    EIN 813640584 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  61. Oklahoma Wrecker Owners Association

    EIN 731172982 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Oklahoma Writers Federation Inc

    EIN 731318789 · Headquarters: POTEAU, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  63. Oklahoma's Red Carpet Country Inc

    EIN 730733019 · Headquarters: ENID, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Oklahoma-Arkansas Carpenters Health & Welfare Fund

    EIN 726042661 · Headquarters: GOODLETTSVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Oklahoma-Texas Meat Processors Association

    EIN 510190139 · Headquarters: Perkins, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Oklahomalionspintradersclubinc

    EIN 710973759 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Oklahomans for Consumer Freedom Inc

    EIN 474935737 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Oklahomans for Energy and Jobs

    EIN 731099314 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Oklahomans for Equality Inc

    EIN 731300864 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Oklahomans for Fiscal Responsibility C/o Frederic Dorwart

    EIN 272563645 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Oklahomans for Healthcare Access Inc

    EIN 464274761 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  72. Oklahomans for Life Inc

    EIN 731052851 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Oklahomans for Responsible Water Policy Now

    EIN 451200265 · Headquarters: BROKEN BOW, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Oklahomas Credit Union

    EIN 736093655 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. Oklahombres Inc

    EIN 731350754 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Oklaunion Water Supply Corporation

    EIN 752242306 · Headquarters: Oklaunion, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Oklee Fire Relief Association

    EIN 411479523 · Headquarters: Oklee, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Oklee Moonlighters Snowmobile Club Inc

    EIN 411585356 · Headquarters: oklee, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Okmulgee Chamber of Commerce

    EIN 730366969 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Okmulgee County Cattlemens Associa

    EIN 800498625 · Headquarters: OKMULGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Okmulgee County Humane Society

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

  82. Okmulgee Education Foundation

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

  83. Okmulgee Elks Lodge 1822

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

  84. 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

  85. Okmulgee Medical Foundation Inc

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

  86. Okmulgee Service League Inc

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

  87. Oko Development Foundation

    EIN 770267122 · Headquarters: Campbell, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Okoboji Bible Conference Ministries

    EIN 363459944 · Headquarters: ARNOLDS PARK, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Okoboji Cemetery Association

    EIN 237271679 · Headquarters: Arnolds Park, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. Okoboji Education Association

    EIN 274416226 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Okoboji Foundation

    EIN 421322070 · Headquarters: OKOBOJI, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Okoboji Indians Inc

    EIN 382911980 · Headquarters: ODESSA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Okoboji Protective Association

    EIN 421358811 · Headquarters: Okoboji, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Okoboji Yacht Club Inc

    EIN 237409197 · Headquarters: MILFORD, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Okolona Area Merchants and Business Association

    EIN 611213321 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Okolona Cemetery Association

    EIN 710643864 · Headquarters: Arkadelphia, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Okolona Group

    EIN 471107365 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. Okolona Park Neighborhood Association

    EIN 263211984 · Headquarters: louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. Okolona Womans Club

    EIN 611310643 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Okome Rod & Gun Club

    EIN 232747735 · Headquarters: Conestoga, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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