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
- Rule of Law Project
EIN 465189296 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Run on Power
EIN 413960674 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rural Cellular Association Inc
EIN 752454806 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rural Community Assistance Partnership
EIN 237367533 · Headquarters: Washington, DC, United States · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Rural Housing Services Inc
EIN 521306869 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rx Abuse Leadership Initiative
EIN 824703437 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- S a F E House
EIN 611725451 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- S Corporation Association
EIN 521980985 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- S Estella Leppo Testamentary Trust
EIN 526246754 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sacred Spaces Conservancy
EIN 822953572 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Saf Coalition
EIN 991953621 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Safe Streets Safe Communities
EIN 831916378 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Safe to Scroll
EIN 392147657 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Safeguarding Our Future
EIN 871508368 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Salute the Children Inc
EIN 454290025 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sarah's Circle
EIN 521338101 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sasakawa Peace Foundation USA Inc
EIN 521728688 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Saturday Morning Alternative Club King & Kween Pins
EIN 261393660 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Save America Movement Inc
EIN 392102128 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Save American Solar Manufacturing
EIN 932646436 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Save Journalism Project
EIN 834382218 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Save My Country Action Fund
EIN 841785352 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Saving America's Family Enterprises Inc
EIN 871006846 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Savingusa
EIN 843677004 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Schola Ministries Inc
EIN 061045654 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- School Social Work Association of Washington Dc Sswa Dc
EIN 464456483 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Schuhplattler Und Gebirgstrachten Verein Washingtonia Inc
EIN 526054772 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Science for Good
EIN 334151124 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scientific Sleuthing Inc
EIN 521544231 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- SCORE Association
EIN 521067290 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Scpss
EIN 825022195 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Seabury Resources for Aging®
EIN 520907224 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sears Chapel Endowment Inc
EIN 043174397 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sec Employee Activity Association Inc
EIN 993456066 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sec Golf Club
EIN 521926955 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Second District Advisory Council
EIN 260321653 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Second New St Paul Housing Inc
EIN 520885500 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Secure America Intitiative Inc
EIN 994675031 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Secure Democracy
EIN 823846342 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Secure the Promise Inc
EIN 332395172 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Securing America's Future Energy Foundation
EIN 201727977 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Securing Americas Innovation Leadership
EIN 863658472 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Security Hardware Distributors Association Inc
EIN 112301434 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seiu Health and Welfare Fund
EIN 520904354 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seiu National Fast Food Workers Union
EIN 822772556 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Self Worth
EIN 473591062 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Semiconductor Industry Association
EIN 942437024 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Semiconductor Technology Leadership Council Inc
EIN 992253426 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senate Working Group Inc
EIN 873024497 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senior Care Pharmacy Coalition
EIN 471924170 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senior Citizens Lobby
EIN 823272633 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Senior Executives Association
EIN 521191891 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Senior Seminar Alumni Association Inc
EIN 521313318 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seniors Coalition Inc
EIN 541586416 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Contract Education and Training Trust Fund
EIN 521236937 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Service Employees International Union
EIN 360852885 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Union Local 722
EIN 521021311 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sexuality Information and Education Council of the United States Inc
EIN 132508249 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Shafeek Nader Trust for the Community Interest Inc
EIN 521515687 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Share Our Strength
EIN 521367538 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sheet Metal Workers' International Assn Office Employees Retiree Health Fund
EIN 522040394 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sheridan Kalorama Historical Association Inc
EIN 521518373 · Headquarters: Northwest Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sherman Michael Anderson Trust Inc
EIN 561787185 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Shipbuilders Council of America
EIN 541854827 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shriners International
EIN 237323593 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 237323595 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 237323596 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 237323598 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Shriners International
EIN 472437700 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 472445203 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 473025314 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 474192372 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Shriners International
EIN 581870128 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shriners International
EIN 844580831 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sickle Cell Association of the Nati Onal Capital Area Inc
EIN 521887817 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 203459624 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 473433121 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Chi Fraternity
EIN 811834938 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Delta Chi Foundation of Washington Dc
EIN 526055635 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sigma Delta Tau Gamma Delta Chapter
EIN 521542579 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sigma Gamma Rho Sorority Inc
EIN 311360123 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc
EIN 521108178 · Headquarters: washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc Leadership Academy
EIN 263353775 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sigma Mu Chapter of Kappa Delta Sorority
EIN 462283438 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sigma Phi Epsilon Alumni of George Washington University
EIN 522225047 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Phi Epsilon Fraternity Inc
EIN 920186762 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau Inc
EIN 526056438 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Theta Tau Inc
EIN 526063800 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau Inc
EIN 930800173 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau International Inc
EIN 900580512 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Silent Soarers Inc
EIN 800192407 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silverado Policy Accelerator Inc
EIN 851262290 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silverlining Policy Inc
EIN 833077934 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sister Cities International Inc
EIN 520859021 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skinner Leadership Institute Inc
EIN 521830868 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Small Business Association For International Companies
EIN 384089459 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Small Business Investor Alliance
EIN 530259837 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Small Business Multicloud Coalition
EIN 331864665 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Small Point Summer School Inc
EIN 010262891 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smart Activities for Fitness and Education Safe
EIN 521791634 · Headquarters: washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ