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. American Legion

    EIN 736104017 · Headquarters: YALE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Legion

    EIN 736113442 · Headquarters: Apache, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. American Legion

    EIN 736113443 · Headquarters: Elmore City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Legion

    EIN 736113446 · Headquarters: Atoka, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Legion

    EIN 770661962 · Headquarters: Choctaw, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Legion

    EIN 800632745 · Headquarters: Moore, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Legion

    EIN 922655987 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. American Legion 258 Frazier King

    EIN 205950920 · Headquarters: COMANCHE, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. American Legion 27

    EIN 731089292 · Headquarters: SALLISAW, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Legion 64

    EIN 736103475 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. American Legion Aux Davenport-florence Unit 87 Pauls V

    EIN 461822701 · Headquarters: Pauls Valley, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Legion Auxiliary

    EIN 201280238 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Legion Auxiliary

    EIN 251911347 · Headquarters: Lone Wolf, OK, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  14. American Legion Auxiliary

    EIN 260094266 · Headquarters: Alva, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. American Legion Auxiliary

    EIN 300614568 · Headquarters: Collinsville, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. American Legion Auxiliary

    EIN 300781937 · Headquarters: Yale, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. American Legion Auxiliary

    EIN 371623421 · Headquarters: Fletcher, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Legion Auxiliary

    EIN 371742873 · Headquarters: salina, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. American Legion Auxiliary

    EIN 383822155 · Headquarters: Skiatook, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. American Legion Auxiliary

    EIN 412277431 · Headquarters: Tuskahoma, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. American Legion Auxiliary

    EIN 452482632 · Headquarters: Braman, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Legion Auxiliary

    EIN 452772062 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. American Legion Auxiliary

    EIN 461353268 · Headquarters: Ryan, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. American Legion Auxiliary

    EIN 461654236 · Headquarters: El Reno, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. American Legion Auxiliary

    EIN 462544062 · Headquarters: Wright City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. American Legion Auxiliary

    EIN 463611945 · Headquarters: clinton, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. American Legion Auxiliary

    EIN 465513987 · Headquarters: LONE WOLF, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. American Legion Auxiliary

    EIN 471897507 · Headquarters: MANGUM, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. American Legion Auxiliary

    EIN 562673165 · Headquarters: Hugo, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. American Legion Auxiliary

    EIN 711042965 · Headquarters: Holdenville, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Legion Auxiliary

    EIN 711042968 · Headquarters: Chandler, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. American Legion Auxiliary

    EIN 731031563 · Headquarters: Prague, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Legion Auxiliary

    EIN 731078012 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. American Legion Auxiliary

    EIN 731184827 · Headquarters: HYDRO, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. American Legion Auxiliary

    EIN 731184899 · Headquarters: OKC, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. American Legion Auxiliary

    EIN 731184901 · Headquarters: LAVERNE, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. American Legion Auxiliary

    EIN 731184902 · Headquarters: HOOKER, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Legion Auxiliary

    EIN 731184903 · Headquarters: Okemah, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. American Legion Auxiliary

    EIN 731185260 · Headquarters: Reydon, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Legion Auxiliary

    EIN 731187101 · Headquarters: Hinton, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Legion Auxiliary

    EIN 731198602 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Legion Auxiliary

    EIN 731207956 · Headquarters: Bristow, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. American Legion Auxiliary

    EIN 731241236 · Headquarters: Grove, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Legion Auxiliary

    EIN 731378346 · Headquarters: Fort Gibson, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Legion Auxiliary

    EIN 731437428 · Headquarters: Ada, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. American Legion Auxiliary

    EIN 731547434 · Headquarters: Clinton, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. American Legion Auxiliary

    EIN 736101934 · Headquarters: Chandler, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Legion Auxiliary

    EIN 736102103 · Headquarters: Erick, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. American Legion Auxiliary

    EIN 736102276 · Headquarters: Tahlequah, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. American Legion Auxiliary

    EIN 736102280 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. American Legion Auxiliary

    EIN 736102289 · Headquarters: WILBURTON, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Legion Auxiliary

    EIN 736103681 · Headquarters: Skiatook, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Legion Auxiliary

    EIN 736104006 · Headquarters: Wagoner, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. American Legion Auxiliary

    EIN 800189190 · Headquarters: MUSTANG, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion Auxiliary

    EIN 823711022 · Headquarters: Altus, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. American Legion Auxiliary

    EIN 900675264 · Headquarters: WILBURTON, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. American Legion Auxiliary

    EIN 922926515 · Headquarters: okmulgee, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. American Legion Auxiliary 1

    EIN 736096619 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. American Legion Auxiliary 301

    EIN 475209296 · Headquarters: Lexington, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion Auxiliary Chelsea Milam Stanley Unit 60

    EIN 800958980 · Headquarters: Chelsea, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion Auxiliary Department of Oklahoma

    EIN 730126655 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  62. American Legion Auxiliary District 8

    EIN 465580677 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. American Legion Auxiliary Little Ax E

    EIN 731597677 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Legion Auxiliary O147 Floyd L Perry

    EIN 736103565 · Headquarters: MIAMI, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. American Legion Auxiliary of Norman a Cullen Post 85

    EIN 300629551 · Headquarters: Henryetta, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion Auxiliary Unit 135

    EIN 352539694 · Headquarters: Tahlequah, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. American Legion Auxiliary Unit 1776

    EIN 412899786 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Legion Auxiliary Unit 182

    EIN 731232108 · Headquarters: PRYOR, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Legion Auxiliary Unit 225

    EIN 264585070 · Headquarters: Apache, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Legion Auxiliary Unit 5

    EIN 730675514 · Headquarters: KINGFISHER, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. American Legion Auxiliary Unit 88

    EIN 736103890 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion Auxiliary Unit No 4

    EIN 300755520 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. American Legion Auxillary Post 170

    EIN 730656740 · Headquarters: NEWCASTLE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. American Legion Auxilliary Association Post 141

    EIN 731343607 · Headquarters: Claremore, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion Club Dale Peace Post 40

    EIN 736095162 · Headquarters: VINITA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. American Legion Frank H Collings Post 111

    EIN 412105618 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  77. American Legion George Oakley Post #8

    EIN 736103959 · Headquarters: IDABEL, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. American Legion HannerSharpPost129

    EIN 736102274 · Headquarters: Stillwater, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. American Legion Huff Minor Post 14

    EIN 730681522 · Headquarters: Ponca City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. American Legion James F Smith Memorial Post 1

    EIN 730240175 · Headquarters: MUSKOGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. American Legion Memorial Home Association of Shawnee Oklahoma Po

    EIN 736102268 · Headquarters: Shawnee, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  82. American Legion Post 0010 White Williams

    EIN 736097223 · Headquarters: Okmulgee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion Post 0022 Munn Dunlap

    EIN 736097873 · Headquarters: Stigler, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Legion Post 0308 Mohawk

    EIN 730743026 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. American Legion Post 1

    EIN 730540844 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. American Legion Post 146

    EIN 736103359 · Headquarters: SAYRE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion Post 19

    EIN 474168362 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Legion Post 192

    EIN 736102271 · Headquarters: SPAVINAW, OK, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  89. American Legion Post 34 Inc

    EIN 730589857 · Headquarters: EL RENO, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Legion Post 58 Lebron

    EIN 730670720 · Headquarters: GUTHRIE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. American Legion Post 72

    EIN 736103659 · Headquarters: ADA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. American Legion Post 85

    EIN 730965679 · Headquarters: Henryetta, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  93. American Legion Post 88

    EIN 736113450 · Headquarters: Norman, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. American Legion Post Frye Ward

    EIN 736102265 · Headquarters: SAPULPA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. American Legion Sullivan Lewis Post

    EIN 730756629 · Headquarters: PRYOR, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  96. American Marketing Assocation Inc

    EIN 731387282 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. American Medical Foundation

    EIN 736104267 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. American Muslim Society of Oklahoma Inc

    EIN 731324403 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  99. American Nephrology Nurses Association

    EIN 300635329 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Nephrology Nurses Association Red River #273

    EIN 364673517 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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