Nonprofits in Stillwater, Oklahoma

Nonprofits in Stillwater, Oklahoma. Browse 1,006 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. Kappa Kappa Psi Fraternity

    EIN 900218543 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Kappa Kappa Psi Fraternity

    EIN 900237940 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Kappa Kappa Psi Fraternity

    EIN 900279497 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  4. Kappa Kappa Psi Fraternity

    EIN 900279512 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. Kappa Kappa Psi Fraternity

    EIN 900279517 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Kappa Kappa Psi Fraternity

    EIN 900279519 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Kappa Kappa Psi Fraternity

    EIN 900279522 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  8. Kappa Kappa Psi Fraternity

    EIN 900279523 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  9. Kappa Kappa Psi Fraternity

    EIN 900279524 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Kappa Kappa Psi Fraternity

    EIN 900279526 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  11. Kappa Kappa Psi Fraternity

    EIN 900399915 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  12. Kappa Kappa Psi Fraternity

    EIN 900399919 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Kappa Kappa Psi Fraternity

    EIN 900457516 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Kappa Kappa Psi Fraternity

    EIN 900457519 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. Kappa Kappa Psi Fraternity

    EIN 900457521 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Kappa Kappa Psi Fraternity

    EIN 900457522 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  17. Kappa Kappa Psi Fraternity

    EIN 900457523 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. Kappa Kappa Psi Fraternity

    EIN 900457524 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. Kappa Kappa Psi Fraternity

    EIN 900457527 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  20. Kappa Kappa Psi Fraternity

    EIN 900457529 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  21. Kappa Kappa Psi Fraternity

    EIN 900457530 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. Kappa Kappa Psi Fraternity

    EIN 900457531 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Kappa Kappa Psi Fraternity

    EIN 900457535 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  24. Kappa Kappa Psi Fraternity

    EIN 900457537 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Kappa Kappa Psi Fraternity

    EIN 900457538 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Kappa Kappa Psi Fraternity

    EIN 900525420 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Kappa Kappa Psi Fraternity

    EIN 900525424 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. Kappa Kappa Psi Fraternity

    EIN 900525426 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Kappa Kappa Psi Fraternity

    EIN 900525427 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. Kappa Kappa Psi Fraternity

    EIN 900525430 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Kappa Kappa Psi Fraternity

    EIN 900525433 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Kappa Kappa Psi Fraternity

    EIN 900525435 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Kappa Kappa Psi Fraternity

    EIN 900525438 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  34. Kappa Kappa Psi Fraternity

    EIN 900525440 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Kappa Kappa Psi Fraternity

    EIN 900587412 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. Kappa Kappa Psi Fraternity

    EIN 900587426 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Kappa Kappa Psi Fraternity

    EIN 900587430 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Kappa Kappa Psi Fraternity

    EIN 900587436 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Kappa Kappa Psi Fraternity

    EIN 900587440 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. Kappa Kappa Psi Fraternity

    EIN 900587444 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Kappa Kappa Psi Fraternity

    EIN 900587446 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  42. Kappa Kappa Psi Fraternity

    EIN 900587450 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. Kappa Kappa Psi Fraternity

    EIN 900587466 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Kappa Kappa Psi Fraternity

    EIN 900587470 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  45. Kappa Kappa Psi Fraternity

    EIN 900587474 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Kappa Kappa Psi Fraternity

    EIN 900587476 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. Kappa Kappa Psi Fraternity

    EIN 900587480 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Kappa Kappa Psi Fraternity

    EIN 900683381 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. Kappa Kappa Psi Fraternity

    EIN 900683385 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Kappa Kappa Psi Fraternity

    EIN 900683392 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Kappa Kappa Psi Fraternity

    EIN 900683395 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  52. Kappa Kappa Psi Fraternity

    EIN 900788410 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Kappa Kappa Psi Fraternity

    EIN 900867798 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Kappa Kappa Psi Fraternity

    EIN 900867817 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Kappa Kappa Psi Fraternity

    EIN 901012504 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Kappa Kappa Psi Fraternity

    EIN 901012506 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Kappa Kappa Psi Fraternity

    EIN 901012509 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  58. Kappa Kappa Psi Fraternity

    EIN 901012510 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  59. Kappa Kappa Psi Fraternity

    EIN 911909412 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. Kappa Kappa Psi Fraternity

    EIN 911909416 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. Kappa Kappa Psi Fraternity

    EIN 911961522 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. Kappa Kappa Psi Fraternity

    EIN 912039562 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Kappa Kappa Psi Fraternity

    EIN 912039577 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  64. Kappa Kappa Psi Fraternity

    EIN 912039583 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Kappa Kappa Psi Fraternity

    EIN 912039638 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  66. Kappa Kappa Psi Fraternity

    EIN 912039647 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  67. Kappa Kappa Psi Fraternity

    EIN 912039663 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  68. Kappa Kappa Psi Fraternity

    EIN 912039683 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. Kappa Kappa Psi Fraternity

    EIN 912039687 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  70. Kappa Kappa Psi Fraternity

    EIN 912039694 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. Kappa Kappa Psi Fraternity

    EIN 912039698 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  72. Kappa Kappa Psi Fraternity

    EIN 912039704 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Kappa Kappa Psi Fraternity

    EIN 912039710 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Kappa Kappa Psi Fraternity

    EIN 912039724 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  75. Kappa Kappa Psi Fraternity

    EIN 912039731 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  76. Kappa Kappa Psi Fraternity

    EIN 912039738 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Kappa Kappa Psi Fraternity

    EIN 912039743 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  78. Kappa Kappa Psi Fraternity

    EIN 912039746 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Kappa Kappa Psi Fraternity

    EIN 912039748 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  80. Kappa Kappa Psi Fraternity

    EIN 912115937 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  81. Kappa Kappa Psi Fraternity

    EIN 912115963 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  82. Kappa Kappa Psi Fraternity

    EIN 912115965 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. Kappa Kappa Psi Fraternity

    EIN 912115967 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Kappa Kappa Psi Fraternity

    EIN 912115972 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Kappa Kappa Psi Fraternity

    EIN 912115973 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  86. Kappa Kappa Psi Fraternity

    EIN 912115976 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  87. Kappa Kappa Psi Fraternity

    EIN 912115978 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  88. Kappa Kappa Psi Fraternity

    EIN 912115979 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. Kappa Kappa Psi Fraternity

    EIN 912115982 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. Kappa Kappa Psi Fraternity - Nu Omega Chapter

    EIN 933979168 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900241224 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  92. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330930 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  93. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330931 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330932 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  95. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330933 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330936 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  97. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330938 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330939 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330940 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  100. Kappa Kappa Psi Honorary Band Fraternity

    EIN 900330941 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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