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. National Active and Retired Federal Employees Association

    EIN 736103436 · Headquarters: Tecumseh, OK, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. National Active and Retired Federal Employees Association

    EIN 736103588 · Headquarters: Elgin, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Active and Retired Federal Employees Association

    EIN 736103723 · Headquarters: McAlester, OK, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. National Active and Retired Federal Employees Association

    EIN 736105495 · Headquarters: Sand Springs, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Active and Retired Federal Employees Association

    EIN 736108728 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Active and Retired Federal Employees Association

    EIN 736108730 · Headquarters: Sand Springs, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Active and Retired Federal Employees Association

    EIN 736111864 · Headquarters: Sand Springs, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. National Active and Retired Federal Employees Association

    EIN 736111866 · Headquarters: Sand Springs, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. National Agricultural Communicators of Tomorrow

    EIN 481186031 · Headquarters: Stillwater, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Air Traffic Controllers Association

    EIN 262496628 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Air Traffic Controllers Association

    EIN 464507651 · Headquarters: Burns Flat, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Air Traffic Controllers Association

    EIN 731327409 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Air Traffic Controllers Association

    EIN 731327429 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Air Traffic Controllers Association

    EIN 731599615 · Headquarters: Wheatland, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Air Traffic Controllers Association

    EIN 731620185 · Headquarters: Ardmore, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Air Traffic Controllers Association

    EIN 814162859 · Headquarters: Bethany, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Air Traffic Controllers Association

    EIN 820750894 · Headquarters: Lawton, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Airtraffic Controllers Association

    EIN 731327596 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Alliance of School Crisis Responders Inc

    EIN 922896192 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. National Ambucs Inc

    EIN 200928682 · Headquarters: LAWTON, OK, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  21. National Ambucs Inc

    EIN 201687654 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Ambucs Inc

    EIN 237438477 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Ambucs Inc

    EIN 450475714 · Headquarters: Jenks, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. National Ambucs Inc

    EIN 582213853 · Headquarters: Clinton, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Ambucs Inc

    EIN 582213958 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. National Ambucs Inc

    EIN 582213959 · Headquarters: Fairview, OK, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  27. National Ambucs Inc

    EIN 582214152 · Headquarters: Norman, OK, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  28. National Ambucs Inc

    EIN 582214562 · Headquarters: Guymon, OK, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. National Ambucs Inc

    EIN 731203934 · Headquarters: Duncan, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. National Ambucs Inc

    EIN 731372102 · Headquarters: ENID, OK, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  31. National Ambucs Inc

    EIN 731391300 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. National Ambucs Inc

    EIN 731518688 · Headquarters: Enid, OK, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. National Ambucs Inc

    EIN 900360705 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. National Ambucs Inc

    EIN 900517021 · Headquarters: LAWTON, OK, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  35. National Ambucs Inc

    EIN 900548233 · Headquarters: KINGFISHER, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. National Ambucs Inc

    EIN 900690650 · Headquarters: Tryon, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. National Ambucs Inc

    EIN 901116977 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. National Ambucs Inc

    EIN 911904181 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Ambucs Inc

    EIN 911906504 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Ambucs Inc

    EIN 912042110 · Headquarters: Lawton, OK, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. National Ambucs Inc Great Plains Region 5

    EIN 561985688 · Headquarters: OKLAHOMA CITY, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. National Assoc of FSA County Office

    EIN 736102610 · Headquarters: Laverne, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. National Assoc of Letter Carriers 458

    EIN 736102946 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Association for the Advancement of Colored People

    EIN 736112062 · Headquarters: Lawton, OK, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. National Association of Benefits and Insurance Professionals

    EIN 731276301 · Headquarters: OKLAHOMA CITY, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Association of Benefits and Insurance Professionals

    EIN 731480433 · Headquarters: OKLAHOMA CITY, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. National Association of Benefits and Insurance Professionals Tulsa Inc

    EIN 454425348 · Headquarters: TULSA, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. National Association of Black Social Workers

    EIN 731155330 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. National Association of Certified Professional Midwives Inc

    EIN 815069635 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Association of Charitable Gift Planners

    EIN 731472624 · Headquarters: Oklahoma City, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Association of Early Child Hood Teacher Educators

    EIN 742884545 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Association of Early Childhood Teacher Educators Fdn

    EIN 631226702 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Association of Educational Procurement

    EIN 900045409 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. National Association of Educational Procurement Inc

    EIN 113161518 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. National Association of Extension Program and Staff Development Prof

    EIN 371603989 · Headquarters: STILLWATER, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. National Association of Government Guaranteed Lenders Inc

    EIN 942994010 · Headquarters: STILLWATER, OK, USA · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  57. National Association of Health Coordinators

    EIN 541576057 · Headquarters: Warr Acres, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Association of Industrial & Office Prop T

    EIN 731239241 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Association of Ins Women

    EIN 731328662 · Headquarters: Oklahoma City, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  60. National Association of Insurance Women

    EIN 237056573 · Headquarters: Tulsa, OK, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  61. National Association of Insurance Women

    EIN 311055846 · Headquarters: tulsa, OK, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  62. National Association of Insurance Women

    EIN 593428468 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. National Association of Insurance Women

    EIN 611507192 · Headquarters: Tulsa, OK, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. National Association of Insurance Women

    EIN 736106229 · Headquarters: Oklahoma City, OK, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. National Association of Insurance Women

    EIN 736119874 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. National Association of Insurance Women

    EIN 736119875 · Headquarters: Lawton, OK, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  67. National Association of Insurance Women

    EIN 736120195 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. National Association of Insurance Women

    EIN 742078501 · Headquarters: Tulsa, OK, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  69. National Association of Insurance Women

    EIN 742536240 · Headquarters: Tulsa, OK, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  70. National Association of Legal Assistants Inc

    EIN 730977884 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. National Association of Letter Carrier Auxiliary of USA

    EIN 900420999 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Association of Letter Carriers

    EIN 736102589 · Headquarters: STILLWATER, OK, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  73. National Association of Letter Carriers

    EIN 736102662 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Association of Letter Carriers

    EIN 736102663 · Headquarters: ponca city, OK, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. National Association of Letter Carriers

    EIN 736112109 · Headquarters: Sulphur, OK, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  76. National Association of Letter Carriers

    EIN 736112151 · Headquarters: ENID, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Association of Letter Carriers

    EIN 736112152 · Headquarters: McLoud, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. National Association of Letter Carriers

    EIN 736112153 · Headquarters: Lawton, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. National Association of Letter Carriers

    EIN 736112154 · Headquarters: McAlester, OK, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  80. National Association of Letter Carriers

    EIN 736112163 · Headquarters: MANGUM, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. National Association of Letter Carriers 1358 Oil Capital Branch

    EIN 736101770 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. National Association of Letter Carriers 1958

    EIN 736102587 · Headquarters: MIAMI, OK, USA · Employment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  83. National Association of Letter Carriers Auxiliary of USA

    EIN 736107746 · Headquarters: Muskogee, OK, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  84. National Association of Letter Carriers Auxiliary of USA

    EIN 900420998 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Association of Letter Carriers of the United States

    EIN 736112123 · Headquarters: Ardmore, OK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  86. National Association of Letter Carriers of USA

    EIN 736107737 · Headquarters: Oklahoma city, OK, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  87. National Association of Miniature Enthusiasts

    EIN 311459344 · Headquarters: Oklahoma City, OK, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. National Association of Neonatal Nurses

    EIN 943238992 · Headquarters: Broken Arrow, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. National Association of Parliamentarians

    EIN 237055108 · Headquarters: Jenks, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National Association of Parliamentarians

    EIN 260091837 · Headquarters: El Reno, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  91. National Association of Parliamentarians

    EIN 431650550 · Headquarters: Norman, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  92. National Association of Parliamentarians

    EIN 521284192 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  93. National Association of Parliamentarians

    EIN 731295272 · Headquarters: Jones, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. National Association of Political Fundraisers

    EIN 474518214 · Headquarters: ADA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  95. National Association of Postmasters of the United States

    EIN 736111103 · Headquarters: Westville, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. National Association of Professional Mortgage Women

    EIN 731210186 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. National Association of Professional Mortgage Women

    EIN 731316206 · Headquarters: TULSA, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. National Association of Professional Mortgage Women

    EIN 752592696 · Headquarters: Midwest City, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. National Association of Retired & Veteran Railway Employees

    EIN 363855363 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Association of Retired & Veteran Railway Employees

    EIN 731148462 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages