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. Marine Corps League

    EIN 912143220 · Headquarters: ROCHESTER, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. Marine Corps League

    EIN 916087173 · Headquarters: VANCOUVER, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Marine Corps League

    EIN 991620413 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Marine Corps League Det 531

    EIN 911285018 · Headquarters: BREMERTON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Marine Insurance Association of Seattle

    EIN 916054613 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Mariner Village Park Home Owners as Sociation

    EIN 472382900 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  7. Mariner Village Social Club

    EIN 901003874 · Headquarters: Everett, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  8. Marion Water Company

    EIN 910307190 · Headquarters: Buckley, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marker Buoy Dive Club

    EIN 452798940 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Market Neighborhood Association

    EIN 911828518 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Marketing Executives Conference

    EIN 521322948 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Marlin Gun Club

    EIN 916054368 · Headquarters: ODESSA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Marriage Bed Inc

    EIN 030396268 · Headquarters: SPRINGDALE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Marrowstone Island Foundation

    EIN 911036925 · Headquarters: NORDLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Marshall Elementary Ptsa

    EIN 911154884 · Headquarters: MARYSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Marshland Cemetery Association

    EIN 270480731 · Headquarters: GRANITE FALLS, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Martha & Mary

    EIN 911249343 · Headquarters: Poulsbo, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Martha & Mary Children's Services

    EIN 911916806 · Headquarters: POULSBO, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Martha & Mary Nursing Home Charitable Tr

    EIN 266896249 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Martha and Mary Home and Community Services

    EIN 911293400 · Headquarters: POULSBO, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Martian Trust

    EIN 261648482 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  22. Martin Luther King Jr County Labor Council

    EIN 910170700 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Mary Bridge Brigade

    EIN 916030192 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Mary Purcell Parent Booster Club

    EIN 311515781 · Headquarters: Sedro Woolley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Mary Queen Conference

    EIN 800701703 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  26. Mary the Impala Inc

    EIN 812733160 · Headquarters: Orting, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Marymoor Flying Field Fund

    EIN 911180858 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Marysville Community Food Bank

    EIN 911347507 · Headquarters: MARYSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Marysville Education Association

    EIN 237107996 · Headquarters: MARYSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Marysville Historical Society

    EIN 237449874 · Headquarters: MARYSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Marysville Rifle Club Inc

    EIN 916054370 · Headquarters: Marysville, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Marysville School District Foundation

    EIN 943110130 · Headquarters: Marysville, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Marysville Sunshine Fund

    EIN 471495146 · Headquarters: Marysville, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Mason 16 Firefighter Association

    EIN 465766405 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Mason Benson Center

    EIN 237229939 · Headquarters: GRAPEVIEW, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Mason County Fire Protection District No 4 Firefighters and Aux

    EIN 911178016 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Mason County Historical Society

    EIN 916176074 · Headquarters: SHELTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Mason County School Retirees Association

    EIN 364646128 · Headquarters: SHELTON, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Mason Moment Makers - an Employee Activities & Engagement Committee

    EIN 331313398 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Mason Water Group

    EIN 394842778 · Headquarters: Belfair, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Masonic Building Corporation of Pullman

    EIN 916054372 · Headquarters: Pullman, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Masonic Service Bureau of Seattle Incorporated

    EIN 910565540 · Headquarters: ISSAQUAH, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Masonic Temple Assn of Cheney

    EIN 916058229 · Headquarters: Cheney, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Masonic Temple Association

    EIN 910309620 · Headquarters: BREMERTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Masonic Temple Association

    EIN 910309690 · Headquarters: WALLA WALLA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Masonic Temple Association of Kennewick

    EIN 910309660 · Headquarters: Kennewicvk, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Masonic Temple Association of Spokane WA Dba Spokane Masonic Center

    EIN 910309670 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Masonic Temple Corporation of Puyallup

    EIN 300481622 · Headquarters: Puyallup, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Masonic Temple Corporation of Richland

    EIN 264160636 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Masonic Temple of Port Angeles Inc

    EIN 910486641 · Headquarters: Port Angeles, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Masonry Industry Promotional Fund

    EIN 510188388 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Masonry Security Plan of Washington

    EIN 916028573 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Masquers of Grant County

    EIN 911153865 · Headquarters: SOAP LAKE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Master Builders Association of Pierce County

    EIN 910550621 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Master Gardener Foundation of Pierce County

    EIN 943033070 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Master Masons of Sno and Island Cou

    EIN 916063757 · Headquarters: Granite Falls, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  57. Masterclass Big Band Foundation

    EIN 934163205 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Masters School of Art Longview

    EIN 474873100 · Headquarters: Longview, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Matlock Community Church

    EIN 911229585 · Headquarters: Elma, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Mats Mats Bay Waterfront Owners Association

    EIN 813949070 · Headquarters: Port Ludlow, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Matthew and Grace Yeh Foundation

    EIN 464213862 · Headquarters: FERNDALE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Maury Mutual Water Co Inc

    EIN 910657056 · Headquarters: VASHON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Mavis & Robert E Williams Memorial Educational Fund

    EIN 911712026 · Headquarters: Fircrest, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Max Higbee Community Recreation Center

    EIN 911275451 · Headquarters: Bellingham, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Maxwelton Community Club

    EIN 900662359 · Headquarters: Clinton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. May Creek Club Inc

    EIN 911050503 · Headquarters: GOLD BAR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Maynard a Lundberg Education

    EIN 911231450 · Headquarters: PORT ORCHARD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Mayor Lou Parberry Foundation

    EIN 911258678 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Mayors and Business Leader for Public Safety

    EIN 883794690 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Mbjh Outfitters

    EIN 300591440 · Headquarters: Deming, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  71. Mcchord Air Museum Foundation

    EIN 911267575 · Headquarters: UNIVERSITY PL, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mcchord Thrift Shop

    EIN 911341696 · Headquarters: MCCHORD AFB, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Mccleary Fire Association

    EIN 911237306 · Headquarters: McCleary, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Mccleary Friends of the Library

    EIN 911348319 · Headquarters: MCCLEARY, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Mccleary Growth and Bear Festival Inc

    EIN 911189293 · Headquarters: MCCLEARY, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. McClure Middle School PTSA

    EIN 911421642 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Mccormick Pickleball and Tennis Club

    EIN 991873727 · Headquarters: Port Orchard, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Mccrea Foundation Inc

    EIN 596152245 · Headquarters: POINT ROBERTS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Mcdanel Land Foundation

    EIN 943121979 · Headquarters: HANSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Mcfpd 3 Volunteer Firefighters Association

    EIN 271906417 · Headquarters: Grapeview, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Mckees Hill Top Owners Assoc

    EIN 911443815 · Headquarters: STANWOOD, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Mckenna Booster Club

    EIN 911230007 · Headquarters: mckenna, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Mcmicken Heights Paptist Church

    EIN 910830722 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Mcmicken Heights Pto

    EIN 460907249 · Headquarters: SeaTac, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. Mcs Association

    EIN 910862439 · Headquarters: FRIDAY HARBOR, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Mead Sports Booster Organization

    EIN 237375967 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Meadow Crest Pta 9 11 83

    EIN 911382640 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Meadow Springs Country Club

    EIN 910910709 · Headquarters: RICHLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Meadowdale Elementary Parents Club

    EIN 911121217 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Meadowdale High School Arts and Music Boosters

    EIN 911240709 · Headquarters: Lynnwood, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Meadowmeer Water Service Association

    EIN 237288452 · Headquarters: BAINBRIDGE ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Meas Companions

    EIN 812771287 · Headquarters: Battle Ground, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  93. Mechanical Contractors Association of Western Washington

    EIN 916058230 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Medford Oregon Billiard Players Association

    EIN 453835142 · Headquarters: SHELTON, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Medic One Foundation

    EIN 916183158 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Medical Aid for Poor Pet Essential Needs

    EIN 364879792 · Headquarters: Custer, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Medical Education Scholarship Aid

    EIN 911471174 · Headquarters: MERCER ISLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Medical Lake Cemetery Association

    EIN 943229036 · Headquarters: Medical Lake, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Medical Lake Community Outreach

    EIN 911469115 · Headquarters: MEDICAL LAKE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Medical Users Software Exchange Inc

    EIN 943063859 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

First page and all pages