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 State University

    EIN 365062310 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Washington State University

    EIN 372146816 · Headquarters: Kelso, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Washington State University

    EIN 383927556 · Headquarters: Walla Walla, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Washington State University

    EIN 384082117 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Washington State University

    EIN 471195931 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Washington State University

    EIN 472354523 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Washington State University

    EIN 472794783 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Washington State University

    EIN 611774508 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Washington State University

    EIN 611817363 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. Washington State University

    EIN 611823850 · Headquarters: Colfax, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  11. Washington State University

    EIN 611888558 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Washington State University

    EIN 611897770 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Washington State University

    EIN 811115914 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. Washington State University

    EIN 814005937 · Headquarters: Colfax, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. Washington State University

    EIN 820624349 · Headquarters: Odessa, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Washington State University

    EIN 820820217 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Washington State University

    EIN 823661916 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Washington State University

    EIN 824865311 · Headquarters: Dayton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Washington State University

    EIN 833351644 · Headquarters: Union Gap, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Washington State University

    EIN 833693474 · Headquarters: Union Gap, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Washington State University

    EIN 833943859 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Washington State University

    EIN 834472013 · Headquarters: Kelso, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Washington State University

    EIN 842630658 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Washington State University

    EIN 843292423 · Headquarters: Ritzville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Washington State University

    EIN 843545787 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Washington State University

    EIN 843898302 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Washington State University

    EIN 843959138 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Washington State University

    EIN 844749362 · Headquarters: Stevenson, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Washington State University

    EIN 845024272 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Washington State University

    EIN 863230259 · Headquarters: Walla Walla, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Washington State University

    EIN 873086032 · Headquarters: Colfax, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Washington State University

    EIN 873336333 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Washington State University

    EIN 881575228 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Washington State University

    EIN 911515551 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Washington State University

    EIN 911596353 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Washington State University

    EIN 911928912 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  37. Washington State University

    EIN 912192243 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Washington State University

    EIN 916037956 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Washington State University

    EIN 920510479 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Washington State University

    EIN 920958599 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Washington State University

    EIN 921139858 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Washington State University

    EIN 921406217 · Headquarters: Stevenson, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Washington State University

    EIN 922393912 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Washington State University

    EIN 922442781 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Washington State University

    EIN 931970572 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Washington State University

    EIN 933183142 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Washington State University

    EIN 933373444 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Washington State University

    EIN 933381754 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Washington State University

    EIN 933991096 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Washington State University

    EIN 934489380 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Washington State University

    EIN 990613904 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Washington State University

    EIN 990999217 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Washington State University

    EIN 991617064 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Washington State University

    EIN 991848345 · Headquarters: Ellensburg, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Washington State University

    EIN 991860945 · Headquarters: Ellensburg, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Washington State University

    EIN 992298524 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Washington State University

    EIN 992627951 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Washington State University

    EIN 992702145 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Washington State University

    EIN 992703214 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Washington State University

    EIN 992720712 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Washington State University

    EIN 992739294 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Washington State University

    EIN 992771344 · Headquarters: Walla Walla, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Washington State University

    EIN 992808878 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Washington State University

    EIN 992829761 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Washington State University

    EIN 992852692 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Washington State University

    EIN 992897653 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Washington State University

    EIN 992939103 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Washington State University

    EIN 992963324 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Washington State University

    EIN 992983483 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Washington State University

    EIN 993015652 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Washington State University

    EIN 993031944 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Washington State University

    EIN 993924318 · Headquarters: Colville, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Washington State University 4-H

    EIN 823029254 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  74. Washington State University 4-H

    EIN 823995018 · Headquarters: Union Gap, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Washington State University 4-H

    EIN 824040548 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Washington State University 4-H

    EIN 824100802 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Washington State University 4-H

    EIN 832280475 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Washington State University 4-H

    EIN 832585102 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Washington State University 4-H

    EIN 832703005 · Headquarters: BELLINGHAM, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Washington State University 4-H

    EIN 832718163 · Headquarters: BELLINGHAM, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Washington State University 4-H

    EIN 833475555 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Washington State University 4-H

    EIN 833990961 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Washington State University 4-H

    EIN 834413800 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Washington State University 4-H

    EIN 862654753 · Headquarters: Ellensburg, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Washington State University 4-H Clubs & Affiliated 4-H Organizatio

    EIN 371746601 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Washington State University 4-H Youth Development

    EIN 320597953 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. Washington State University Emerald

    EIN 611809653 · Headquarters: EVERETT, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Washington State University Youth Development

    EIN 832682304 · Headquarters: Union Gap, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Washington State Universityq

    EIN 921971528 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Washington State Veterinary Medical Association

    EIN 910667672 · Headquarters: Redmond, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Washington State Womens Public Links Association

    EIN 371624358 · Headquarters: Buckley, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Washington Systematic Policy & Learning Center

    EIN 994698193 · Headquarters: Eatonville, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Washington Teamsters Welfare Trust

    EIN 916034673 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Washington Technology Industry Association

    EIN 911427013 · Headquarters: ISSAQUAH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Washington Technology Student Association

    EIN 203117296 · Headquarters: GOLDENDALE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Washington Therapy Doodles

    EIN 873337424 · Headquarters: PUYALLUP, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Washington Thoroughbred Breeders

    EIN 910496694 · Headquarters: AUBURN, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Washington Thoroughbred Foundation

    EIN 916032902 · Headquarters: Auburn, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Washington Tilth Association

    EIN 262603612 · Headquarters: Long Beach, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  100. Washington Tilth Association

    EIN 911057085 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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