Unknown & Unclassified nonprofits in Washington

Unknown & Unclassified nonprofits in Washington. Browse 12,928 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. Washington Airport Management Assoc

    EIN 910974877 · Headquarters: Walla Walla, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Washington Alliance for Affordable Medicine

    EIN 921357056 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Washington Alliance for Arts Education

    EIN 911189441 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Washington Alumni Association of Ac Acia Fraternity Inc

    EIN 910459937 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Washington Ambulatory Surgery Center Association

    EIN 911470583 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Washington and Northern Idaho District Council of Laborers

    EIN 910836988 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Washington Apartment Association

    EIN 510194482 · Headquarters: Everett, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Washington Area District Council

    EIN 833655470 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Washington Arms Collectors

    EIN 911429195 · Headquarters: SUMNER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Washington Asphalt Pavement Association

    EIN 910617279 · Headquarters: RENTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Washington Assault Accountability Unit

    EIN 461346329 · Headquarters: Airway Heights, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Washington Assn for the Advancement of Us-china Education & Culture

    EIN 464930266 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. Washington Assn of Building Officials

    EIN 911189556 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Washington Assoc of Naturopathic Physicians

    EIN 916056474 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Washington Assoc of Nurse Anesthesiology

    EIN 916057737 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Washington Assoc Vehicle Sub-agents

    EIN 911146743 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Washington Association for Bilingual Education

    EIN 911395104 · Headquarters: ENTIAT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Washington Association for Career and Technical Education

    EIN 910884663 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Washington Association for Chinese Education

    EIN 453832084 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  20. Washington Association for Community Health

    EIN 911323282 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Washington Association for Food Protection

    EIN 911137030 · Headquarters: Covington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Washington Association for Learning Alternatives

    EIN 911168890 · Headquarters: WOODLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Washington Association for Pupil Transport

    EIN 911256745 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Washington Association for the Education of Speakers of Other Lan

    EIN 916184561 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Washington Association Medical Staff Services

    EIN 943027912 · Headquarters: OAK HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Washington Association of Accounting

    EIN 237315013 · Headquarters: Spokane Valley, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Washington Association of Area Agencies on Aging

    EIN 943074816 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Washington Association of Conservation Districts

    EIN 916176150 · Headquarters: BOW, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Washington Association of Criminal Defense Lawyers

    EIN 911354688 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Washington Association of Educational Office Personnel

    EIN 916067498 · Headquarters: Connell, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Washington Association of Fish

    EIN 911752584 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Washington Association of Landscape Professionals

    EIN 911257391 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Washington Association of Legal Investigators

    EIN 911811277 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Washington Association of Mortgage Professionals

    EIN 943031417 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Washington Association of Realtors

    EIN 910789552 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Washington Association of School Administrators

    EIN 237122918 · Headquarters: TUMWATER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Washington Association of School Administrators

    EIN 911131793 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Washington Association of School Administrators

    EIN 911131800 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Washington Association of School Administrators

    EIN 911131802 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Washington Association of School Administrators

    EIN 911131803 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Washington Association of School Administrators

    EIN 911131805 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Washington Association of School Administrators

    EIN 911131806 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Washington Association of School Administrators

    EIN 911131807 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Washington Association of School Administrators

    EIN 911131808 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Washington Association of School Administrators

    EIN 911131809 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Washington Association of School Administrators

    EIN 911131810 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Washington Association of School Administrators

    EIN 911131812 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Washington Association of School Social Workers

    EIN 911332111 · Headquarters: Puyallup, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Washington Association of Sheriffs and Police Chiefs (WASPC)

    EIN 910961051 · Headquarters: Lacey, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Washington Association of Wheat Growers

    EIN 910621075 · Headquarters: RITZVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Washington Automotive Industry Asso

    EIN 910719059 · Headquarters: Mill Creek, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Washington Bakers Retiree Welfare Trust

    EIN 911514696 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Washington Bankers Association

    EIN 910459700 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Washington Barrel Racing Assoc

    EIN 916029135 · Headquarters: MOSES LAKE, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  55. Washington Bed & Breakfast Guild

    EIN 911672888 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Washington Beer & Wine Distributors Association

    EIN 910519516 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Washington Behavioral Health Alliance

    EIN 332532017 · Headquarters: Otis Orchards, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Washington Beta Building Associatio of Pi Beta Phi Fraternity

    EIN 916068870 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  59. Washington Beverage Association

    EIN 916034505 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Washington Blockchain Coalition

    EIN 831929242 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Washington Bluegrass Association

    EIN 911187729 · Headquarters: Winlock, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Washington Blues Society

    EIN 943093057 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Washington Branch of the American Assn for Laboratory Animal Science

    EIN 911176675 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Washington Cattle Feeders Association

    EIN 910722321 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Washington Cattlemen's Association

    EIN 910551592 · Headquarters: ELLENSBURG, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Washington Cattlemen's Association Endowment Trust Fund

    EIN 911312203 · Headquarters: ELLENSBURG, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Washington Cemetery Cremation & Funeral Association

    EIN 910865896 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Washington Chapter Metals Service Center Institute

    EIN 911853060 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Washington Chapter Nsdfpa

    EIN 510165453 · Headquarters: olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Washington Chapter of Delta Chi

    EIN 910197690 · Headquarters: REDMOND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Washington Chapter of Municpal Treasurers Association

    EIN 911217394 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Washington Chapter of the American Society of Farm Managers and Rural

    EIN 272590659 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Washington Chapter of the National Academy of Elder Law Attorneys

    EIN 911610232 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Washington City Management Association

    EIN 916070472 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Washington Coalition for Consumer Choice and Innovation

    EIN 413233054 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Washington Coalition for Gifted Education

    EIN 911284136 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Washington Coalition for Responsible Gam

    EIN 845160432 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Washington Coalition to Abolish the Death Penalty

    EIN 911344122 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Washington Collectors Association Inc

    EIN 910181781 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  80. Washington Community Action Network

    EIN 911206728 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Washington Community Action Network Education & Research Fund

    EIN 911259403 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Washington Community Alliance Action Fund

    EIN 871399272 · Headquarters: Bellingham, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Washington Community Center

    EIN 874274656 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  84. Washington Conservation Action

    EIN 911548791 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Washington Construction Industry Council

    EIN 911501471 · Headquarters: TUMWATER, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Washington Cornhuskers

    EIN 453860726 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Washington Council American Institute of Architects

    EIN 910778946 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Washington Council for Behavioral Health

    EIN 942667269 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Washington Council of Police and Sheriff

    EIN 910814989 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Washington Council of the Blind

    EIN 237297653 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  91. Washington Council of the Blind Diabetics

    EIN 852582716 · Headquarters: Silverdalle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Washington Counties Insurance Fund

    EIN 916060979 · Headquarters: Tumwater, WA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Washington Court Reporters Association

    EIN 910973617 · Headquarters: SPOKANE VALLEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Washington Cpa Foundation

    EIN 237447914 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Washington Cranberry Alliance

    EIN 911556218 · Headquarters: GRAYLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Washington Deaf Disc Golfers Association

    EIN 261631929 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. Washington Defender Association

    EIN 911259580 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Washington Defense Trial Lawyers

    EIN 911041610 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Washington Dental Service Fund

    EIN 911281990 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Washington Dungeness Crab Fishermans Association

    EIN 910969997 · Headquarters: WESTPORT, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

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