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. Share

    EIN 911205119 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Sharing Hope Ga of Yakima

    EIN 900592664 · Headquarters: Wapato, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  3. Sharon Harrell Non Profit Corporation

    EIN 800488726 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  4. Shaw Island Alliance

    EIN 422736071 · Headquarters: Shaw Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Shaw Island Library & Historical Society

    EIN 916068663 · Headquarters: SHAW ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Shaw Islanders Incorporated

    EIN 916073052 · Headquarters: Shaw Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Shc Medical Center - Yakima

    EIN 814653630 · Headquarters: SUNNYSIDE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Sheikh Abdul Kadir Idriss Mosque Trust

    EIN 911152733 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Shelton Cemetery Association Shelton Memorial Park

    EIN 910408711 · Headquarters: SHELTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Shelton Custodial and Maintenance Professionals

    EIN 824692968 · Headquarters: shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Shelton Hospital Association

    EIN 510178579 · Headquarters: Shelton, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Shelton Nimrod Club Inc

    EIN 916175754 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Shelton Pre-School Association

    EIN 916055009 · Headquarters: Shelton, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Shelton Skookum Rotary Club

    EIN 910951433 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Shelton-mason County Chamber of Commerce

    EIN 910677252 · Headquarters: SHELTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  16. Shep-rock Inc Co Gordon Rock

    EIN 820371391 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Sherbon Water System

    EIN 474004692 · Headquarters: Enumclaw, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Sheridan Beach Community Club Inc

    EIN 910695897 · Headquarters: Kenmore, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  19. Sherman Cemetery Association

    EIN 916029865 · Headquarters: WILBUR, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sherwood Forest Pta-federal Way

    EIN 911485523 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Sherwood Parent Staff Organization

    EIN 911002383 · Headquarters: Edmonds, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Sherwood Trust

    EIN 916337526 · Headquarters: Walla Walla, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Shi Institute

    EIN 842310524 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Shift Washington

    EIN 463404262 · Headquarters: Cle Elum, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Shiloh Bible Camp

    EIN 911224225 · Headquarters: COSMOPOLIS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Shining Mountain Pto

    EIN 911153630 · Headquarters: SPANAWAY, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Shoal Bay- Swifts Bay Water Association

    EIN 813024154 · Headquarters: Lopez Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Shop with a Tacoma Cop

    EIN 951331025 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Shore Acres Water Company

    EIN 916058384 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. ShoreLake Arts

    EIN 911475914 · Headquarters: Shoreline, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Shoreline Chamber of Commerce

    EIN 910969821 · Headquarters: SHORELINE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Shoreline Community College Foundation

    EIN 911265475 · Headquarters: SHORELINE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Shoreline Community Cooperative Preschool

    EIN 910849898 · Headquarters: Shoreline, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Shoreline Education Association

    EIN 916073112 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Shoreline Karate Club

    EIN 874267124 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Shoreline Little League Association

    EIN 911175521 · Headquarters: Shoreline, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. Shoreline Lodge 1800 Bpoe

    EIN 910558377 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Shoreline Public Schools Foundation

    EIN 911556631 · Headquarters: SHORELINE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Shoreline Small Business Forum

    EIN 208415912 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. Shorenorth Parent Education Center

    EIN 911196545 · Headquarters: Shoreline, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Shorewood High School Ptsa

    EIN 510158222 · Headquarters: Shoreline, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Shrifan Clinic Foundation

    EIN 910995063 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Shriners International

    EIN 237236251 · Headquarters: OROVILLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Shriners International

    EIN 237237070 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Shriners International

    EIN 237320876 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Shriners International

    EIN 237320880 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  47. Shriners International

    EIN 237320881 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Shriners International

    EIN 237320883 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Shriners International

    EIN 237325032 · Headquarters: Olynoia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Shriners International

    EIN 237325035 · Headquarters: Hoquiam, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Shriners International

    EIN 237325036 · Headquarters: Battle Ground, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Shriners International

    EIN 237325037 · Headquarters: Long View, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Shriners International

    EIN 450501173 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Shriners International

    EIN 581753444 · Headquarters: MOUNTLAKE TERRACE, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Shriners International

    EIN 901023217 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Shriners International

    EIN 910754696 · Headquarters: LAUREN J SMITH, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Shriners International

    EIN 911122119 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Shriners International Afifi Shriners Group Return

    EIN 510205847 · Headquarters: Battle Ground, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Shriners International El Katif Shriners Group Return

    EIN 237398322 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Shriners International Masada Shriners

    EIN 911517217 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Shriners International Masada Shriners Group Return

    EIN 911517216 · Headquarters: Yakima, WA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  62. Shrontz Family Foundation C/o Ken Hart

    EIN 916379530 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  63. Shs 1974 Class Reunion

    EIN 371758413 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Sickle Cell Prodigy

    EIN 412547265 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sicklesteel Foundation

    EIN 912070155 · Headquarters: MOUNT VERNON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. Sidell Kagan Foundation % Jodi Behrman

    EIN 952501843 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Sidney Glen Pta

    EIN 911055086 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Sidneys House

    EIN 472169590 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sierra Vista Water Association

    EIN 911206727 · Headquarters: CAMANO ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Siff Cinema Workers Union

    EIN 923516805 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Sightline Institute

    EIN 521833599 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Sigma Alpha Epsilon Fraternity

    EIN 464435643 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Sigma Alpha Epsilon Fraternity

    EIN 910410720 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Sigma Alpha Epsilon Fraternity

    EIN 922062273 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Sigma Alumni of Alpha Gamma Rho

    EIN 916034794 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Sigma Chi Building Association

    EIN 916055568 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. Sigma Chi Fraternity Gamma Epsilon Chap Whitman College

    EIN 910564940 · Headquarters: WALLA WALLA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Sigma Chi Fraternity Upsilon Upsilon Chapter

    EIN 910410730 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Sigma Gamma Rho Sorority Inc

    EIN 311360151 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sigma Gamma Rho Sorority Inc - Zeta Phi Sigma

    EIN 820742999 · Headquarters: Covington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sigma Nu Fraternity

    EIN 910574696 · Headquarters: Pullman, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Sigma Nu Fraternity

    EIN 911503686 · Headquarters: CHENEY, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911238263 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911895689 · Headquarters: Lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911940779 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Sigma Phi Epsilon Washington Alpha

    EIN 770661670 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Sigma Phi Gamma International Sorority Inc

    EIN 510174612 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Sigma Phi Gamma International Sorority Inc

    EIN 910838551 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Sigma Phi Gamma International Sorority Inc

    EIN 911150668 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  90. Sigma Phi Gamma International Sorority Inc

    EIN 930986253 · Headquarters: Battle Ground, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  91. Sigma Sigma Sigma Inc

    EIN 462068106 · Headquarters: Mountlake Terrace, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Sigma Tau Association C/o James W McCurdy

    EIN 916033189 · Headquarters: Shoreline, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Sigma Tau Educational Foundation

    EIN 911569892 · Headquarters: WOODINVILLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Sigma Tau of Kappa Delta Housing Associa

    EIN 916055585 · Headquarters: Veradale, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Sigma Theta Tau Inc

    EIN 621092317 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Sigma Theta Tau International Inc

    EIN 916062245 · Headquarters: Poulsbo, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Silent Environment Educational Kamp

    EIN 910961381 · Headquarters: BELLINGHAM, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Silhouette Dancers

    EIN 911735974 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Silliman University Alumni Association Pacific Northwest Chap

    EIN 811740613 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Silver Anniversary Symposium Fund

    EIN 911238403 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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