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 Research Licensing Foundation

    EIN 911160492 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  2. Washington Retail Association

    EIN 911376551 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Washington Roundtable

    EIN 911215738 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Washington Rural Electric Cooperative Association

    EIN 911236389 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Washington Rural Health Association

    EIN 911640107 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  6. Washington School Boards Educational Foundation

    EIN 943066096 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Washington School Faculty Fund

    EIN 911319067 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Washington School Personnel Association

    EIN 911199007 · Headquarters: Tumwater, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Washington Scuba Alliance USA

    EIN 911568264 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Washington Self-insurers Assoc

    EIN 910985781 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Washington Shotokan Association

    EIN 910948439 · Headquarters: Bellevue, WA, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Washington Ski Touring Club

    EIN 911420367 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Washington Society of Certified Public A

    EIN 910462093 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Washington Society of Plastic Surgeons

    EIN 911275679 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Washington Society of Professional Engineers Educational Foundation

    EIN 911185123 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Washington Software Professionals & Engineers Community

    EIN 464929114 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Washington Speech Language Hearing Association

    EIN 237229743 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Washington Spirit 10U

    EIN 452865571 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  19. Washington St District 8

    EIN 911874769 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Washington St Soc of Orthodontists

    EIN 911079903 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Washington State Academy of Pediatric Dentists

    EIN 911449274 · Headquarters: LAKEWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Washington State Academy of Physicians Assistants

    EIN 910953376 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Washington State Alliance for Retired Americans

    EIN 811322978 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Washington State Apple Blossom Festival

    EIN 910539791 · Headquarters: WENATCHEE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Washington State Arts Alliance Foundatio

    EIN 910994462 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Washington State Assoc of Broadcasters

    EIN 910646014 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Washington State Assoc of Electrical Workers

    EIN 911230467 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Washington State Association for Curriculum and Supervision Development

    EIN 510195325 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Washington State Association for Justice

    EIN 237068627 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Washington State Association of Counties

    EIN 916056479 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Washington State Association of Municipal Attorneys

    EIN 911347635 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Washington State Association of Narpm Inc

    EIN 912100519 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  33. Washington State Association of School Psychologists

    EIN 911345869 · Headquarters: PUYALLUP, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Washington State Association of Senior Centers

    EIN 911545051 · Headquarters: North Bend, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Washington State Association of Student Employment Administrators

    EIN 911275852 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Washington State Association of Veterinary Technicians

    EIN 910987059 · Headquarters: North Bend, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Washington State Astrological Association

    EIN 911281103 · Headquarters: MUKILTEO, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Washington State Auto Dealers Association

    EIN 910555691 · Headquarters: Renton, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Washington State Auto Dealers Insurance Trust

    EIN 916056560 · Headquarters: MUKILTEO, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Washington State Autumn Leaf Festival Association

    EIN 916062935 · Headquarters: Leavenworth, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Washington State Board of Registered Sanitarians

    EIN 911191790 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Washington State Boiler Inspectors Association

    EIN 320300565 · Headquarters: Tumwater, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. Washington State Building & Construction Trades Council

    EIN 910462125 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Washington State Chapter Associated Public Safety Communications Ofcrs

    EIN 510188683 · Headquarters: OAK HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Washington State Chapter of Community Associations Institute

    EIN 911071561 · Headquarters: SHORELINE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Washington State Chapter of the American Society of Interior Design

    EIN 237417508 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Washington State Chapter of the United States Lst Association

    EIN 471101036 · Headquarters: Marysville, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Washington State Chefs Assoc

    EIN 910981606 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Washington State Chile Partners of the Americas

    EIN 911333868 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Washington State China Relations Council

    EIN 911092028 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Washington State Coalition Against Domestic Violence

    EIN 911507028 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Washington State Collateral Loan Assn

    EIN 916186094 · Headquarters: Lakewood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Washington State Command Council

    EIN 471454727 · Headquarters: Lakewood, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  54. Washington State Commmercial Association of Realtors

    EIN 911618955 · Headquarters: LYNNWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Washington State Community Airports Association

    EIN 871806202 · Headquarters: Langley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Washington State Concord Grape Research

    EIN 911461418 · Headquarters: GRANDVIEW, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Washington State Conference of the Aaup

    EIN 262526620 · Headquarters: Steilacoom, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Washington State Council for Exceptional Children

    EIN 911037438 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Washington State Council for the Social Studies

    EIN 911183847 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Washington State Council of County and City Employees Health and Welfare Trust

    EIN 910985132 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Washington State Council of Fire Fighters Burn Foundation

    EIN 941729677 · Headquarters: KENT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Washington State Council on Problem Gambling

    EIN 911525358 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Washington State Council Painting and Decorating Contractors Amer

    EIN 910969411 · Headquarters: KENT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Washington State Crime Prevention Association

    EIN 911236297 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Washington State Crop Improvement Association

    EIN 910609119 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Washington State Dairy Federation

    EIN 910837244 · Headquarters: ELMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Washington State Dairy Women

    EIN 911032109 · Headquarters: Snohomish, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Washington State Dance Drill Coaches Association Nfp

    EIN 272151869 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Washington State Demolay Foundation

    EIN 911067020 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Washington State Dental Association

    EIN 910750294 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Washington State Dental Hygienists' Association

    EIN 916073775 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Washington State Dental Laboratory Association Inc

    EIN 910774586 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Washington State Dental Society Anesthesiologgy

    EIN 943236584 · Headquarters: Newcastle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Washington State Department of Children Youth Families Local 889

    EIN 882447295 · Headquarters: SeaTac, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Washington State Dermatology Association

    EIN 943167911 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Washington State Destination Marketing Organizations

    EIN 911322097 · Headquarters: Vashon, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Washington State District and Municipal Court Judges Association

    EIN 911303223 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Washington State Employees Credit Union

    EIN 910683062 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Washington State Environmental Health Association

    EIN 911312779 · Headquarters: South Bend, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Washington State Fairs Association

    EIN 916054838 · Headquarters: CONWAY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Washington State Fallen Heroes Project

    EIN 462481053 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Washington State Farm Bureau Federation

    EIN 910462136 · Headquarters: LACEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Washington State Federation of Gard Clubs

    EIN 911046302 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Washington State Federation of Music Clubs

    EIN 916035940 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Washington State Ffa Exhibition

    EIN 911567676 · Headquarters: Tenino, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Washington State Food Truck Association

    EIN 473948863 · Headquarters: bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  87. Washington State Genealogical Society

    EIN 911240869 · Headquarters: YAKIMA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Washington State Golf Association

    EIN 911432298 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Washington State Good Sams Club

    EIN 911323169 · Headquarters: SHORELINE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Washington State Gourd Society

    EIN 261238537 · Headquarters: MINERAL, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Washington State Grange

    EIN 232564007 · Headquarters: Chehalis, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Washington State Grange

    EIN 237136381 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Washington State Grange

    EIN 237136389 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Washington State Grange

    EIN 237136393 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Washington State Grange

    EIN 237136395 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Washington State Grange

    EIN 237136396 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Washington State Grange

    EIN 237143204 · Headquarters: Lynnwood, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Washington State Grange

    EIN 237143206 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Washington State Grange

    EIN 237143390 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Washington State Grange

    EIN 237153261 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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