Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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 Oregon Bde

    EIN 475141429 · Headquarters: tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Washington Oregon Canning Pear Assn

    EIN 910615920 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Washington Organic Recycling Council

    EIN 911516873 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Washington Ornamental and Game Bird Breeders

    EIN 364946458 · Headquarters: Oak Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Washington Orthotic and Prosthetic Association

    EIN 010965084 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. Washington Osint Roundtable Inc

    EIN 461536082 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  7. Washington Osteopathic Foundation

    EIN 237115033 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Washington Osteopathic Medical Association

    EIN 916037851 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Washington Outboard Club

    EIN 680240532 · Headquarters: WEST SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Washington Outreach Ministry Inc

    EIN 800367776 · Headquarters: WACO, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Washington PAD Law Chapter

    EIN 271701354 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Washington Paraoptometric Section

    EIN 911406637 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  13. Washington Parish Economic Development Foundation Inc

    EIN 721182299 · Headquarters: BOGALUSA, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Washington Parish Farm Bureau Inc

    EIN 720640251 · Headquarters: BATON ROUGE, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Washington Park Cemetery Association Inc

    EIN 350980393 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Washington Park Conservancy Inc

    EIN 141678316 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Washington Park Hose Company No 2

    EIN 900774439 · Headquarters: Moonachie, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Washington Park Tennis Club Inc

    EIN 841003425 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Washington Pediatric Dentistry Endowment Association

    EIN 911716022 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Washington Pfb and Thrift Shop Inc

    EIN 721259043 · Headquarters: FRANKLINTON, LA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Washington Phikeia Foundation

    EIN 916057740 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Washington Philatelic Society

    EIN 526049041 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Washington Pilots Association

    EIN 237115814 · Headquarters: BELLEVUE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Washington Potato & Onion Association

    EIN 910595381 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Washington Praire Association Inc

    EIN 462773145 · Headquarters: Decorah, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Washington Print Club

    EIN 526068201 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Washington Professional Counselors

    EIN 680646482 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  28. Washington Psychiatric Society

    EIN 237001446 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Washington Ptsa Tacoma Council

    EIN 911140240 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Washington Public Contracting Alliance

    EIN 454866671 · Headquarters: Tukwila, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Washington Public Employees Association

    EIN 910659259 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Washington Public Interest Research Group

    EIN 911374769 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Washington Public Interest Research Group Foundation

    EIN 911168245 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Washington Public Power Association

    EIN 932788333 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Washington Public Utility Districts Association

    EIN 910486104 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  36. Washington Railroad Historical

    EIN 421377651 · Headquarters: WASHINGTON, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Washington Rc Flyers Club

    EIN 271221479 · Headquarters: East Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Washington Real Estate Educational Foundation Inc

    EIN 910610443 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Washington Realtist Foundation

    EIN 331275307 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Washington Rebels

    EIN 473093279 · Headquarters: Washington, PA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. Washington Recorder Society

    EIN 521157153 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Washington Recovery Alliance

    EIN 812962568 · Headquarters: Redmond, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Washington Refuse & Recycling Association

    EIN 916058237 · Headquarters: LACEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Washington Regional Medical Services

    EIN 710664683 · Headquarters: FAYETTEVILLE, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Washington RegIonal Medical System

    EIN 710664686 · Headquarters: FAYETTEVILLE, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Washington Regional Transplant Community

    EIN 521528461 · Headquarters: FALLS CHURCH, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. Washington Republican Assn Inc

    EIN 240753720 · Headquarters: Bethlehem, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Washington Research Council

    EIN 910459840 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Washington Research Licensing Foundation

    EIN 911160492 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  50. Washington Retail Association

    EIN 911376551 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Washington Roundtable

    EIN 911215738 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Washington Running Club Inc

    EIN 521042823 · Headquarters: McLean, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Washington Rural Electric Cooperative Association

    EIN 911236389 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Washington Rural Health Association

    EIN 911640107 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  55. Washington S Crossing Rc Flyers Association Inc

    EIN 222849970 · Headquarters: Trevose, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Washington School Boards Educational Foundation

    EIN 943066096 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Washington School Faculty Fund

    EIN 911319067 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Washington School Nutrition Association

    EIN 237404031 · Headquarters: SPRING, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Washington School Personnel Association

    EIN 911199007 · Headquarters: Tumwater, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Washington Science Fiction Association Inc

    EIN 521468087 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Washington Scuba Alliance USA

    EIN 911568264 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Washington Sculptors Group

    EIN 521381035 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Washington Self-insurers Assoc

    EIN 910985781 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Washington Senior Citizen Housing Development Corporation

    EIN 431071330 · Headquarters: WASHINGTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Washington Senior High School Academic Boosters Club Inc

    EIN 431535183 · Headquarters: Washington, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. Washington Senior High School Booster Club

    EIN 237416991 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Washington Shotokan Association

    EIN 910948439 · Headquarters: Bellevue, WA, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Washington Ski Touring Club

    EIN 911420367 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Washington Snow Flyers Inc

    EIN 237250219 · Headquarters: washington, VT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Washington Social Club Inc

    EIN 060580990 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Washington Society for Association Excellence

    EIN 911015768 · Headquarters: ROSEVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Washington Society of Certified Public A

    EIN 910462093 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Washington Society of Engineers

    EIN 526049968 · Headquarters: Glen Echo, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Washington Society of Plastic Surgeons

    EIN 911275679 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Washington Society of Professional Engineers Educational Foundation

    EIN 911185123 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Washington Society of the Archaeological Institute of Americ

    EIN 521536581 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Washington Software Professionals & Engineers Community

    EIN 464929114 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  78. Washington Speech Language Hearing Association

    EIN 237229743 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Washington Spirit 10U

    EIN 452865571 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Washington Sportsmens Association

    EIN 256068169 · Headquarters: Meadow Lands, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Washington Square Association Inc

    EIN 135473170 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Washington Square Contemporary Music Society Inc

    EIN 133337666 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Washington Square Fund

    EIN 131624213 · Headquarters: WOODSIDE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Washington Square Health Foundation

    EIN 361210140 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Washington Square Legal Services Inc

    EIN 237392120 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Washington Square Maintenance Account 2623-2631

    EIN 822808939 · Headquarters: Tallahassee, FL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Washington Square Post 1212

    EIN 133189984 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Washington Square Services Corporation

    EIN 050457525 · Headquarters: NEWPORT, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Washington St District 8

    EIN 911874769 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  90. Washington St Soc of Orthodontists

    EIN 911079903 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Washington Staff Assault Task Force

    EIN 260494544 · Headquarters: PALMDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Washington State Academy of Pediatric Dentists

    EIN 911449274 · Headquarters: LAKEWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Washington State Academy of Physicians Assistants

    EIN 910953376 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Washington State Alliance for Retired Americans

    EIN 811322978 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Washington State Apple Blossom Festival

    EIN 910539791 · Headquarters: WENATCHEE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Washington State Arts Alliance Foundatio

    EIN 910994462 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Washington State Assoc of Broadcasters

    EIN 910646014 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Washington State Assoc of Electrical Workers

    EIN 911230467 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Washington State Association for Curriculum and Supervision Development

    EIN 510195325 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Washington State Association for Justice

    EIN 237068627 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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