Nonprofits in Washington

Nonprofits in Washington. Browse 51,977 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. Society for Pediatric Pathology

    EIN 222812917 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Society for Philosophy and Technology

    EIN 351583682 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Society for Plant Signaling and Behavior

    EIN 223952634 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Society for Preservation & Encourmt of Barbershop Quartet

    EIN 916055369 · Headquarters: Olympia, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 200577185 · Headquarters: Pasco, WA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237175123 · Headquarters: Centralia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 911254707 · Headquarters: Ellensburg, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 911917575 · Headquarters: Puyallup, WA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  9. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916055018 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916055796 · Headquarters: Anacortes, WA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916055797 · Headquarters: Snohomish, WA, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916058507 · Headquarters: SPOKANE VALLEY, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916067165 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916067235 · Headquarters: Soap Lake, WA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 916091032 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 813462705 · Headquarters: Clinton, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 911067931 · Headquarters: Silverdale, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 911734796 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 916055802 · Headquarters: University Place, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  20. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 918056158 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Society for Protestant Reformed Education in Lynden

    EIN 911022503 · Headquarters: LYNDEN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Society for Range Management Wa Chapter

    EIN 871711686 · Headquarters: Davenport, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Society for Social Work Leadership in Healthcare - Wa Chapter

    EIN 450596348 · Headquarters: Seattle, WA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. Society for Technical Communication

    EIN 916182430 · Headquarters: Shoreline, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Society for the Advancement of Biology Education Research

    EIN 273838781 · Headquarters: Spokane, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Society for the Advancement of Geriatric Anesthesia

    EIN 912170513 · Headquarters: Seattle, WA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Society for the Advancement of Material and Process Engineering

    EIN 472765579 · Headquarters: seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. Society for the Friendly Sons of St Patrick Spokane

    EIN 271551302 · Headquarters: Spokane, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Society for Tropical Veterinary Medicine

    EIN 371154275 · Headquarters: PULLMAN, WA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Society for Veterinary Medical Ethics

    EIN 911723683 · Headquarters: SEATTLE, WA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Society of Air Light Time Space Spc

    EIN 853256035 · Headquarters: SEATTLE, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Society of American Foresters

    EIN 237065210 · Headquarters: McCleary, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Society of American Military Engineers

    EIN 201706707 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Society of American Military Engineers

    EIN 916055014 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Society of American Military Engineers Seattle Post

    EIN 916056809 · Headquarters: Seattle, WA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Society of Antique Modelers

    EIN 873151249 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Society of Broadcast Engineers Chapter 16

    EIN 943040232 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Society of Chartered Property & Casualty Underwriters Inland Empir

    EIN 910780845 · Headquarters: Spokane, WA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  39. Society of Counsel Representing Accused Persons

    EIN 910984541 · Headquarters: Seattle, WA, USA · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  40. Society of Financial Service Professionals Cascadia Chapter

    EIN 911635857 · Headquarters: Bellingham, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. Society of Financial Service Professionals South Sound Chapter

    EIN 916062076 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Society of Fire Protection Engineers Pacific Nw Inc

    EIN 916064788 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Society of Flight Test Engineers

    EIN 910843657 · Headquarters: SEATTLE, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Society of Former Special Agents of the Fbi Inc

    EIN 131692588 · Headquarters: Bothell, WA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Society of Gastroenterology Nurses and Associates Inc

    EIN 364235451 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  46. Society of Government Meeting Professionals

    EIN 911462532 · Headquarters: Des Moines, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Society of Health and Physical Educators

    EIN 911187481 · Headquarters: REDMOND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Society of Hispanic Professional Engineers Puget Sound Chapter

    EIN 911340842 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Society of Human Resource Management-olympia Chapter

    EIN 202663652 · Headquarters: Olympia, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Society of Ksitigarbha Studies USA

    EIN 453585962 · Headquarters: GRAHAM, WA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Society of Lucky Mothers

    EIN 474107745 · Headquarters: Snohomish, WA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society of Manufacturing Engineers

    EIN 237166307 · Headquarters: Auburn, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society of Manufacturing Engineers

    EIN 911225627 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Society of Mayflower Descendants in the State of Washington

    EIN 916037843 · Headquarters: Lynnwood, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Society of Pediatric Nurses

    EIN 813209981 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Society of Phi Zeta

    EIN 223100748 · Headquarters: Pullman, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. Society of Photo Technologists

    EIN 840592496 · Headquarters: Cheney, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Society of Plastics Engineers

    EIN 916056467 · Headquarters: Maple Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Society of Port Engineers of Puget Sound

    EIN 916058402 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Society of Professional Journalists

    EIN 911156095 · Headquarters: Kennewick, WA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. Society of Professional Journalists

    EIN 916055570 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Society of Professional Journalists Western Wash Univ Student Chapter

    EIN 263611544 · Headquarters: Bellingham, WA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Society of Saint Vincent De Paul Saint Joseph Conference

    EIN 800499597 · Headquarters: WENATCHEE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Society of St Vincent De Paul Council O

    EIN 910583891 · Headquarters: SEATTLE, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Society of St Vincent De Paul Distr Cncl of Spokan

    EIN 911934978 · Headquarters: SPOKANE, WA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Society of St Vincent De Paul St - Joseph Conference

    EIN 931360490 · Headquarters: Kennewick, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Society of St Vincent De Paul St Joseph Conference Sequim

    EIN 911710033 · Headquarters: Sequim, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Society of St Vincent De Paul St Martin of Tours

    EIN 800934218 · Headquarters: FIFE, WA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Society of St Vincent De Paul St Marys Conference

    EIN 431999783 · Headquarters: SEAVIEW, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Society of St Vincent De Paul St Patrick Conference

    EIN 825338652 · Headquarters: PASCO, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Society of St Vincent De Paul St Philip Conference

    EIN 811276537 · Headquarters: Woodland, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Society of St Vincent De Paul St Rose - Longview - Conference

    EIN 412218247 · Headquarters: Longview, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Society of St Vincent Depaul Central Cascades District Council

    EIN 464784526 · Headquarters: Yelm, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Society of St Vincent Depaul St Olaf's Conference

    EIN 811225385 · Headquarters: Poulsbo, WA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Society of the War of 1812 in the State of Washington

    EIN 461648703 · Headquarters: Mercer Island, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Society of Urologic Nurses & Associates Yakima Valley Chapter

    EIN 300450043 · Headquarters: Yakima, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Society of Vintage Racing Enthusiasts

    EIN 464826199 · Headquarters: Lakebay, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Society of Washington Artists

    EIN 510185814 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Society of Women Engineers

    EIN 205634843 · Headquarters: Burley, WA, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  80. Society of Women Engineers

    EIN 800607168 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Society of Women Engineers

    EIN 911454496 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Society of Women Engineers

    EIN 911462951 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Society of Women Engineers

    EIN 912007601 · Headquarters: Spokane, WA, US · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  84. Society of Women Engineers

    EIN 931012694 · Headquarters: BATTLE GROUND, WA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Society St Vincent De Paul Queen of Angels

    EIN 911427036 · Headquarters: PORT ANGELES, WA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  86. Socio-Lite Foundation USA

    EIN 462230133 · Headquarters: Dupont, WA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  87. Sockeye Baseball Club

    EIN 261491116 · Headquarters: Monroe, WA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  88. Socks on My Hands Productions

    EIN 932218307 · Headquarters: Seattle, WA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Socrata Foundation

    EIN 472755835 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Sodaptsa

    EIN 471085424 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  91. Sodo Business Association

    EIN 911615397 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  92. SODO Business Improvement Area

    EIN 471278728 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Sodo Rotary Foundation

    EIN 270887955 · Headquarters: Seattle, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  94. SODO Service Fund

    EIN 923042404 · Headquarters: Seattle, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Sodok Foundation

    EIN 332346473 · Headquarters: SPOKANE, WA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Sofantic

    EIN 883049334 · Headquarters: Port Orchard, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Sofias Shining Stars

    EIN 813682448 · Headquarters: Prosser, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Soft Landing Inc

    EIN 932361384 · Headquarters: BELLEVUE, WA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Sogetsu School of Ikebana Seattle Branch

    EIN 464831828 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Sogge Family Foundation

    EIN 471135775 · Headquarters: Mercer Island, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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