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
- Seattle Letter Carriers Building Association Inc
EIN 916057767 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seattle Longshore Labor Relations Committee
EIN 910286675 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Metro Softball Umpires Association
EIN 911100263 · Headquarters: KIRKLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Seattle Milk Fund Inc
EIN 910619698 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Seattle Nantes Sister City Association
EIN 911107540 · Headquarters: BRIER, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Outboard Association
EIN 916056464 · Headquarters: Snohomish, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Peace Chorus
EIN 911380540 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Peoples Party
EIN 831704299 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seattle Perugia Sister City Assoc
EIN 911489524 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Play Therapy Institute
EIN 833456909 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Police Athletic Association
EIN 910495082 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Police Management Assoc
EIN 911301111 · Headquarters: TACOMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Police Motorcycle Drill Team Association
EIN 911193803 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Police Officers' Guild
EIN 910603202 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Police Relief Association
EIN 910403365 · Headquarters: Tukwila, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Pro Musica
EIN 510175286 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Prof Engineering Employees Assn Dba Soc of Prof Eng Empl in Aerospace
EIN 910583387 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Psychoanalytic Society and Institute
EIN 911307952 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Public Theater
EIN 911398805 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Recorder Society
EIN 911043714 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Regional Gem and Mineral Show Committee Inc
EIN 910748235 · Headquarters: Kenmore, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Rifle & Pistol Association
EIN 916054877 · Headquarters: Snohomish, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle School of Aikido
EIN 911274972 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle School Retirees Association
EIN 910670618 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Sephardic Brotherhood
EIN 916032761 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seattle Shanghai Association
EIN 832087726 · Headquarters: Woodinville, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Seattle Short Term Rental Alliance
EIN 812974947 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Seattle Shrm
EIN 911637691 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Sno-king Invitational Racing Pigeon Club
EIN 910977459 · Headquarters: KIRKLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Storytellers Guild
EIN 911307528 · Headquarters: Auburn, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Student Improvement Club
EIN 812919337 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Seattle Surgical Society
EIN 911128500 · Headquarters: LYNNWOOD, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Suzhou Fellows Association
EIN 465447680 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle Swedish Community Scholarships
EIN 911322613 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Swish Basketball Network
EIN 800600242 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Seattle Swiss Society
EIN 916050325 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seattle Symphony & Opera Players Organization
EIN 911125069 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Synchronized Swim Team
EIN 910890089 · Headquarters: Kirkland, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Syndicate
EIN 824772302 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Seattle Tennis Club
EIN 910403820 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Tri Club
EIN 472818444 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Seattle United Fc
EIN 270780019 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle University
EIN 910565006 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle University Chapter of Alpha Sigma Nu
EIN 465140626 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle University Foundation
EIN 911130769 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seattle Us-china Business Council
EIN 473043968 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Veterinary Outreach
EIN 832653099 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Vineyard Christian Fellowship
EIN 911401928 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Seattle West Foursquare Church
EIN 910958193 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Seattle Westercon Organizing Committee
EIN 911524994 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Womens Public Golf Association S W P G A
EIN 916054878 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Works
EIN 911416844 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Yacht Club
EIN 910404140 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle Youth Sports Club
EIN 821272936 · Headquarters: SPARTANBURG, SC, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Seattle-african Sister Cities Committee
EIN 943088256 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle-christchurch Sister City Committee
EIN 911137616 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle-gdynia Sister City Association
EIN 943147211 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Seattle-king County Association of Realtors
EIN 910403475 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle-king County Dental Society
EIN 910520407 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seattle-taejon Sister City Association
EIN 911427895 · Headquarters: EDMONDS, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seattle-united Oromo Church of God of Prophecy
EIN 900065931 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Seattles Sleepless
EIN 911627214 · Headquarters: KIRKLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seatuck Cove Ltd
EIN 453808495 · Headquarters: EASTPORT, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seaverfest Inc
EIN 393515342 · Headquarters: Plainfield, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seaview African Violet Society
EIN 262168218 · Headquarters: Neptune, NJ, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Seaview Association
EIN 111956189 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seaview Community Services
EIN 920043803 · Headquarters: Seward, AK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seaview Counseling Inc
EIN 330084494 · Headquarters: HUNTINGTON BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seaview Hospital and Home Auxiliary Inc
EIN 133384059 · Headquarters: STATEN ISLAND, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seaview Little League
EIN 237095322 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seaville Swim Club Inc
EIN 381800272 · Headquarters: Coopersville, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seaville Volunteer Fire & Rescue Co
EIN 221916070 · Headquarters: SEAVILLE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seawanhaka Corinthian Yacht Club
EIN 111310150 · Headquarters: CENTRE ISLAND, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seaward Montessori Pta
EIN 270228502 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Seaway Boat Club of Wyandotte
EIN 386037673 · Headquarters: WYANDOTTE, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seaway Inc
EIN 541375762 · Headquarters: Lancaster, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Seaway Youth for Christ Inc
EIN 237538815 · Headquarters: BRIER HILL, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seawolves Baseball Inc
EIN 920377009 · Headquarters: Sinton, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Seawood Estates
EIN 943195505 · Headquarters: TRINIDAD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seba Garden Club Inc
EIN 815255591 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sebago East Shore Educators Association
EIN 270532404 · Headquarters: STANDISH, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sebago Education Association
EIN 831825715 · Headquarters: Sebago, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sebago Lakes Region Chamber of Commerce
EIN 010361797 · Headquarters: WINDHAM, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sebago Lakes Region Fuller Center for Housing
EIN 843119233 · Headquarters: WINDHAM, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sebago Lakes Rotary Club
EIN 222932453 · Headquarters: Windham, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sebald Ww and E Mck Fund Xxxxx1006
EIN 316020731 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sebastian Area Civic Association Inc
EIN 592128978 · Headquarters: Roseland, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sebastian County Farm Bureau
EIN 710355109 · Headquarters: FORT SMITH, AR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sebastian County Girls Softballleague
EIN 710486348 · Headquarters: FORT SMITH, AR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Sebastian House
EIN 840624249 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sebastian Jude Scott Foundation Inc
EIN 881563202 · Headquarters: INVERNESS, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sebastian Oseff's Curiosity Corner
EIN 462961976 · Headquarters: HOWARD BEACH, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sebastian Quilters Inc
EIN 813277441 · Headquarters: Sebastian, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sebastian River Area Chamber of Commerce Inc
EIN 590833568 · Headquarters: Sebastian, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sebastian River Chapt No 1764
EIN 592429743 · Headquarters: Micco, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sebastian River Lodge No 1767 Loyal Order of Moose
EIN 510144095 · Headquarters: Micco, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sebastian River Shrine Club
EIN 592827963 · Headquarters: SEBASTIAN, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sebasticook Valley Elks Lodge No 2713
EIN 010442435 · Headquarters: Pittsfield, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sebastopol Area Senior Center
EIN 237043925 · Headquarters: Sebastopol, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sebastopol Certified Farmers Market Inc
EIN 334563134 · Headquarters: Sebastopol, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ