Unknown & Unclassified nonprofits in District of Columbia
Unknown & Unclassified nonprofits in District of Columbia. Browse 4,522 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
- Psi Chi the National Honor Society in Psychology
EIN 521276046 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 521276047 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 521538519 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 522020388 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 522061554 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 522179881 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 526056390 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pswg Organization
EIN 992695289 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pta District of Columbia Eliot Hine Middle School
EIN 800309874 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Public Access Corp of the District of Columbia
EIN 521509144 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Public Affairs Council
EIN 131790733 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Public Diplomacy Council of America
EIN 541478165 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Public Housing Authorities Directors Association
EIN 222763123 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Public Lands Council
EIN 840583125 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Purple Action Inc
EIN 883137103 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- R Michael Tanner Irrv Charitable Tr 032391
EIN 776071337 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Radiation Therapy Alliance Inc
EIN 270429491 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990
- Radio & Television News Directors Foundation
EIN 381860090 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Radio Television Digital News Association
EIN 521452178 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rail Security Alliance
EIN 811250980 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Railway Engineering-maintenance Suppliers Association Inc
EIN 362269390 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Railway Supply Institute Inc
EIN 362483079 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rainey Center Freedom Project
EIN 852354103 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Raiser Foundation Inc
EIN 521643511 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ram the Reed-cooke Neighborhood Association
EIN 521389612 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Rap Inc
EIN 520906297 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Rare Access Action Project Inc
EIN 824433613 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rcc Foundation Inc
EIN 541432355 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Reagan-Udall Foundation for the Food and Drug Administration Inc
EIN 263727917 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Real Estate Roundtable Education and Research Foundation
EIN 263902909 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Real Estate Services Providers Council Inc
EIN 521819597 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Real Results for Pennsylvania
EIN 923805561 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rebuilding Together DC Alexandria
EIN 541389286 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Recoding America Action
EIN 412599567 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Recording Industry Association of America
EIN 131669037 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Redemptorist Fathers of New York Veba
EIN 367526808 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Redwood Creek Action
EIN 920655882 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Redwood Foundation C/o Sarah Slusser
EIN 237009841 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Reef Artisan Collaborative Inc
EIN 261874530 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Reforming America's Taxes Equitably
EIN 452850524 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Regional Airline Association
EIN 521039526 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Regional Reporters Association
EIN 521721600 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Register America
EIN 812163801 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Regulation Alert Inc
EIN 465404364 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Reinsurance Association of America
EIN 520882723 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Religious Freedom Coalition
EIN 742124788 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Remora House
EIN 854121557 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Renew Massachusetts Coalition Inc
EIN 043405595 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rep America
EIN 364112938 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Reproductive Freedom For All Foundation
EIN 521100361 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Reproductive Toxicology Center a Non-profit Foundation
EIN 521329340 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Republic 3 0 Institute Inc
EIN 471450825 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Republican Jewish Coalition
EIN 521386172 · Headquarters: Washington, DC, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Republican Women for Progress
EIN 820774903 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Republican Womens Federal Forum
EIN 521273647 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Requite Foundation
EIN 412634693 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Reserve Board Club Federal Reserve Building
EIN 530132445 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Reserve Officers Association of the United States
EIN 530132450 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Resilient Home America
EIN 412972745 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Restaurant Association of Metropolitan Washington Inc
EIN 530163480 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Restoring Mi Vote
EIN 863385001 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- RESULTS Educational Fund
EIN 953747267 · Headquarters: Washington, DC, United States · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Results Inc
EIN 521411039 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Retail Industry Leaders Association Inc
EIN 042395151 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Retiresafe
EIN 481108059 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rhode Island Condo Association
EIN 205507992 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Richard Howell Gleaves Assembly No 2 Ogc Pha
EIN 471060779 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Richard Lounsbery Foundation Inc
EIN 136081860 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Right To Democracy Action
EIN 823614840 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Right Way Tennessee
EIN 830708722 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ripon Society Inc
EIN 042370356 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rise District
EIN 831444284 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Rise United Network Inc
EIN 331386860 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rising for Justice Inc
EIN 520847160 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rising Organizers Action Inc
EIN 990830244 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- River Park Nursery School Inc
EIN 520853602 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Road Gang Inc
EIN 521708206 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Road Runners Club of America
EIN 460688470 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Road Runners Club of America
EIN 541658157 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Roadwork Center for Cultures in Disputed Territories
EIN 521166949 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Robert Bosch Fellowship Alumni Association
EIN 521953160 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Robert F Kennedy Center for Justice and Human Rights
EIN 132522784 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Robert L Walls Senior Citizen Center
EIN 521628950 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rodman Tenants Association Inc
EIN 371777737 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Rollins College - Phi Beta Kappa Society
EIN 923833968 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Roman Catholic Archbishop of Washington Dba Central Pastoral Administration
EIN 530196550 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Romance Writers of America Incorporated
EIN 521432903 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Romark Corporation
EIN 521614901 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Roofers and Waterproofers Research and Education Joint Trust Fund
EIN 521812522 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rosemount Center
EIN 520954828 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Rosh Pina Dc
EIN 331190557 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rotary Club of Washington DC
EIN 530135280 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rotary International
EIN 200335919 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Roundtable Association of Diocesan Social Action Directors
EIN 272161660 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Roundtree Residences Tenant Association Inc
EIN 465315194 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Royal Arch Masons of District of Columbia
EIN 530113016 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Royal Arch Masons of District of Columbia
EIN 530135447 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Royal Arch Masons of District of Columbia
EIN 530225634 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Royal Arch Masons of District of Columbia Grand Chapter
EIN 530135445 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rtca Inc
EIN 530182962 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990