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. International Order of the Rainbow Girls

    EIN 237143819 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Order of the Rainbow Girls

    EIN 237143856 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. International Order of the Rainbow Girls

    EIN 237143858 · Headquarters: Seabeck, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. International Order of the Rainbow Girls

    EIN 237143861 · Headquarters: Bonney Lake, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. International Order of the Rainbow Girls

    EIN 237143870 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Order of the Rainbow Girls

    EIN 237144042 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. International Order of the Rainbow Girls

    EIN 237144058 · Headquarters: Port Townsend, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. International Order of the Rainbow Girls

    EIN 237144060 · Headquarters: QUILCENE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. International Order of the Rainbow Girls

    EIN 237144867 · Headquarters: WENATCHEE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. International Order of the Rainbow Girls

    EIN 237144880 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. International Order of the Rainbow Girls

    EIN 237144881 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. International Order of the Rainbow Girls

    EIN 237507742 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. International Order of the Rainbow Girls

    EIN 237507745 · Headquarters: Bothell, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. International Order of the Rainbow Girls

    EIN 237507752 · Headquarters: Cheney, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. International Order of the Rainbow Girls

    EIN 237507759 · Headquarters: PORT ANGELES, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. International Order of the Rainbow Girls

    EIN 365013220 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. International Order of the Rainbow Girls

    EIN 820509328 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. International Order of the Rainbow Girls

    EIN 910610181 · Headquarters: SUMNER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. International Order of the Rainbow Girls Supreme Assembly

    EIN 237139659 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. International Order of the Rainbow Girls Supreme Assembly

    EIN 237149385 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Order of the Rainbow Girls Supreme Assembly

    EIN 237507737 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. International Police Association United States Section

    EIN 911240204 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. International Power Boat Association Inc

    EIN 916054312 · Headquarters: RENTON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Region Vii Podiatric Medical Association

    EIN 900593739 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  25. International Regional Development

    EIN 300855087 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. International Soceity of Oral Oncology

    EIN 943086524 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. International Society for Krishna Consciousness Of Washington

    EIN 910987890 · Headquarters: Sammamish, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-T

  28. International Society of Certified Employee Benefit Specialists Inc

    EIN 911393975 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. International Society of Immunohistochemistry and Molecular

    EIN 812545901 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  30. International Sound Foundation

    EIN 911024219 · Headquarters: BLAINE, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. International Special Events Society

    EIN 562483375 · Headquarters: Burien, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. International Teamster Womens Caucus -Itwc-

    EIN 943175607 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. International Training Center Technologies and Design

    EIN 352734032 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. International Unattended Retail Ass Ociation

    EIN 301481047 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. International Union of Operating Engineers Local 280

    EIN 910647440 · Headquarters: RICHLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. International Union of Operating Engineers Local 302

    EIN 910257483 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. International Union of Painters and Allied Trades

    EIN 261656233 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. International Union of Painters and Allied Trades

    EIN 273280319 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. International Union of Painters and Allied Trades

    EIN 910166500 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. International Union of Painters and Allied Trades

    EIN 910267943 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. International Union of Painters and Allied Trades

    EIN 910449625 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. International Union of Painters and Allied Trades

    EIN 910484654 · Headquarters: Kennewick, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. International Union of Painters and Allied Trades

    EIN 910574240 · Headquarters: TUKWILA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. International Union UAW 4591

    EIN 992495781 · Headquarters: Pullman, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. International Union Uaw Local 4929

    EIN 994793437 · Headquarters: Bellingham, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. International Union United Auto Aerospace & Agricultural Workers

    EIN 201191487 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Internatl Longshoremens & Warehouse Union Auxiliary Ii Memorial Fund

    EIN 911198216 · Headquarters: COMOPOLIS, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. Interntl Nw Parks and Rec Assn

    EIN 911582761 · Headquarters: UNIVERSITY PLACE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Interplanetary Kenetic Impactor Technologies and Space Research In

    EIN 612120081 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Interservice Walk & Knock of Clark County

    EIN 911535365 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Intl Assoc of Aerospace Machinists and Workeres District Lodge 751

    EIN 910267919 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Intl Assoc of Bridge Reinforcing Iron Workers

    EIN 910267899 · Headquarters: Spokane Valley, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Intl Assoc of Firefighters

    EIN 916053937 · Headquarters: RENTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Intl Assoc of Firefighters L1257

    EIN 916049251 · Headquarters: SEATAC, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Intl Assoc of Heat and Frost Insulators & Allied Workers Local 7 Mortuary P

    EIN 910993132 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. INTL ASSOCIATION OF FIRE FIGHTERS Key Peninsula Local Firefighters 3152

    EIN 911563040 · Headquarters: Vaughn, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Intl Association of Firefighters

    EIN 916032503 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Intl Brotherhood of Electrical Workers Local 191

    EIN 910267942 · Headquarters: Marysville, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Intl Brotherhood of Electrical Workers Local Union No 46

    EIN 910267931 · Headquarters: Kent, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Intl Brotherhood of Teamsters Local 117

    EIN 910458905 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Intl Brotherhood of Teamsters Local 174

    EIN 910268076 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Intl Brotherhood of Teamsters Local 252

    EIN 910436965 · Headquarters: Centralia, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Intl Brotherhood of Teamsters Local 313

    EIN 910436970 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Intl Brotherhood of Teamsters Local 38

    EIN 910267959 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Intl Brotherhood of Teamsters Local 763

    EIN 910336325 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Intl Brotherhood of Teamsters Lu 760

    EIN 910405908 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Intl Fed of Prof and Tech Engineers Local 12

    EIN 916055704 · Headquarters: BREMERTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Intl Union of Operating Engineers Local 612

    EIN 910268531 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Intl Union of Painters & Allied Trades District Council No 5

    EIN 910334921 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Invest in Washington Now Campaign

    EIN 851501210 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Ioof Ellensburg Pioneer Cemetery and Memorial Gardens

    EIN 911046212 · Headquarters: ELLENSBURG, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Iota Chapter of Alpha Gamma Delta Fraternity House Association C/oshelton

    EIN 822027700 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Iota Sigma Pi

    EIN 916051360 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  74. Ipms-seattle

    EIN 800207927 · Headquarters: Mill Creek, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. IQ Credit Union

    EIN 910576399 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Iranian American Community Alliance

    EIN 208599199 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Irish Heritage Club

    EIN 943091691 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Irish Setter Club of Seattle Inc

    EIN 237091479 · Headquarters: BOTHELL, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Irish Water Spaniel Club of Puget Sound

    EIN 934358678 · Headquarters: LYNNWOOD, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Irish Wolfhound Club of Puget Sound

    EIN 271710929 · Headquarters: Auburn, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Iron Order Motorcycle Club

    EIN 264679104 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  82. Iron Workers District Council of the Pacific Northwest

    EIN 910863281 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Iron Workers Local 86

    EIN 910267915 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Iron Workers Trust Fund Local No 5 Washington DC Welfare Fund

    EIN 526057762 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Isdup Puyallup Camp

    EIN 800651293 · Headquarters: Spanaway, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  86. Island Artisans

    EIN 943178833 · Headquarters: FRIDAY HARBOR, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Island County Amateur Radio Club

    EIN 911426570 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Island County Economic Development Council

    EIN 911300296 · Headquarters: COUPEVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Island County Farm Bureau

    EIN 141963564 · Headquarters: Coupeville, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Island County Property Rights Allia Nce

    EIN 911554498 · Headquarters: Langley, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Island Hospital Foundation

    EIN 911030686 · Headquarters: ANACORTES, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Island Ministries

    EIN 911086760 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Island Park Pta 2915

    EIN 916179657 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Issaquah Alps Trails Club

    EIN 911081852 · Headquarters: Issaquah, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Issaquah Basketball Camps

    EIN 455250753 · Headquarters: Snoqualmie, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. Issaquah Community Services

    EIN 911499522 · Headquarters: Issaquah, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Issaquah Day Afg

    EIN 911646254 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Issaquah Education Association

    EIN 910840617 · Headquarters: ISSAQUAH, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Issaquah History Museums

    EIN 237425589 · Headquarters: Issaquah, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Issaquah Kiwanis Foundation

    EIN 943135093 · Headquarters: Issaquah, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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