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
- Washington Econo Sprint Car Organization
EIN 911581497 · Headquarters: MONROE, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Washington Education & Squash Academy Formerly Seattle Urban Squash
EIN 911906951 · Headquarters: EDMONDS, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Education Association
EIN 910460645 · Headquarters: Federal Way, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Education Association Rate Stabilization Reserve Trust
EIN 911612390 · Headquarters: FEDERAL WAY, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Washington Education Association Staff Org
EIN 911180803 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Education Association-retired
EIN 943119445 · Headquarters: SNOQUALMIE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Educational Research Association
EIN 237432622 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Elementary School Ptsa
EIN 911297934 · Headquarters: Wenatchee, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Elks Therapy Program for Children Inc
EIN 910647950 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Employment Lawyers Association
EIN 911655143 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Washington Extension Agents and Specialists Association
EIN 911409098 · Headquarters: Walla Walla, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Fair Trade Coalition
EIN 593837580 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington Falconers Association
EIN 911471884 · Headquarters: Manson, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Families Standing Together
EIN 270194158 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Washington Farm Forestry Assoc
EIN 916058341 · Headquarters: CHEHALIS, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Federation of Independent Schools
EIN 910863526 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Federation of State Employees
EIN 910607853 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Federation of State Employees Local 443
EIN 916058052 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Fire Protection Association
EIN 612211590 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington First Robotics
EIN 452443839 · Headquarters: KENT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Flying Farmers Association
EIN 916058514 · Headquarters: VALLEYFORD, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Food Coalition
EIN 943123637 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Food Industry Association
EIN 910462216 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington for Black Lives
EIN 853652772 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Washington Forest Protection Association
EIN 910460820 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Foundation for Criminal Justice
EIN 911339511 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Foundation for the Environment
EIN 911086269 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Washington Friends of Farms and Forests
EIN 911453960 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Friends of the Applied Sciences Laboratory
EIN 205787636 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington Game Warden Association
EIN 911464505 · Headquarters: Orting, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Gamma Chapter of Sigma Phi Epsilon Fraternity
EIN 911501773 · Headquarters: CHENEY, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Washington Glass Association
EIN 911310995 · Headquarters: Blaine, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Growers League
EIN 911379165 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Gymnastics Judges Association
EIN 832300813 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Habitat and Environmental Restoration Organiza
EIN 820756953 · Headquarters: Moses Lake, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Health Care Association
EIN 911308743 · Headquarters: Tumwater, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Washington Health Foundation
EIN 916033679 · Headquarters: Union, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Healthcare Foundation
EIN 261143856 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Washington High School Chess Association
EIN 800397968 · Headquarters: Burlington, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Hispanic Media Association
EIN 900686968 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Washington Hospitality Association
EIN 910586362 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Washington Housing Authority Accounting Professionals
EIN 475315845 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Washington Ice Skating Association
EIN 911444568 · Headquarters: MOUNTLAKE TERRACE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Independent Telecommunications Association
EIN 910582626 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Independent Telephone Scholarship Association
EIN 943059320 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Innocence Project
EIN 833498962 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Insurance Examining Bureau
EIN 910461310 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington Integrated Networkers
EIN 462849904 · Headquarters: EVERETT, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Intercollegiate Soccer
EIN 911490324 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990
- Washington Interscholastic 4 District
EIN 911220835 · Headquarters: Montesano, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Investing in Safety and Education
EIN 394939887 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Journalism Education Association
EIN 910989642 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Junior High Parent Teacher Student Association
EIN 237124379 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Kayak Club
EIN 843609571 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Kitefliers Association
EIN 911313674 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Koi & Water Garden Society
EIN 911509550 · Headquarters: Bothell, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Ladies Riding Club Association
EIN 331724281 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Land Title Association
EIN 910518933 · Headquarters: LYNNWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Law Review Association
EIN 916054833 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Lawyers for the Arts
EIN 510186229 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Life & Disability Insurance Guaranty Association
EIN 916159504 · Headquarters: Shelton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Lyme Disease
EIN 711008724 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Washington Machinist Council
EIN 910485147 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Manufactured Housing Association
EIN 910935278 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Mediation Association
EIN 942928550 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Mental Health Counselors Association
EIN 911728718 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Middle School Ptsa N6 15 390
EIN 911251060 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Mortgage Bankers Association
EIN 910719486 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Motorcycle Road Racing Association
EIN 911540509 · Headquarters: Lynnwood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Movers Conference
EIN 910858936 · Headquarters: Lakewood, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Multicultural Services Link
EIN 850786783 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Washington National Guard State Historical Society
EIN 943135424 · Headquarters: Camp Murray, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Washington Nightlife and Music Association
EIN 920708753 · Headquarters: Bellingham, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Odd Fellows Home
EIN 910577483 · Headquarters: Walla Walla, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington On-site Sewage & Water System Designers Association
EIN 911532751 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Oregon Bde
EIN 475141429 · Headquarters: tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Washington Oregon Canning Pear Assn
EIN 910615920 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington Organic Recycling Council
EIN 911516873 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- 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
- Washington Orthotic and Prosthetic Association
EIN 010965084 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Washington Osteopathic Foundation
EIN 237115033 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Osteopathic Medical Association
EIN 916037851 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Paraoptometric Section
EIN 911406637 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Washington Pediatric Dentistry Endowment Association
EIN 911716022 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Phikeia Foundation
EIN 916057740 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Pilots Association
EIN 237115814 · Headquarters: BELLEVUE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Potato & Onion Association
EIN 910595381 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Professional Counselors
EIN 680646482 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Washington Ptsa Tacoma Council
EIN 911140240 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Public Contracting Alliance
EIN 454866671 · Headquarters: Tukwila, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington Public Employees Association
EIN 910659259 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Public Interest Research Group
EIN 911374769 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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
- Washington Public Power Association
EIN 932788333 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Public Utility Districts Association
EIN 910486104 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- 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
- Washington Realtist Foundation
EIN 331275307 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Recovery Alliance
EIN 812962568 · Headquarters: Redmond, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Refuse & Recycling Association
EIN 916058237 · Headquarters: LACEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Research Council
EIN 910459840 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990