Nonprofits in Washington, District of Columbia
Nonprofits in Washington, District of Columbia. Browse 18,177 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
- Willow Foundation
EIN 822368552 · Headquarters: Washington, DC, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Willow Oaks Apartments Corporation of the Npcdc
EIN 200152328 · Headquarters: washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Wilms Cancer Foundation
EIN 933478827 · Headquarters: Washington, DC, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wilner Family Foundation Inc C/o Thomas B Wilner Trustee
EIN 526055551 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Wilsons Training and Consulting Services Inc
EIN 453661828 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Win the Era Action Fund
EIN 850644358 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Win Without War Education Fund
EIN 831345865 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wind of Change Research Group
EIN 881735464 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wind Solar Alliance
EIN 270891789 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Windom Fund
EIN 521214397 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Window & Door Manufacturers Association
EIN 361522410 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Window Covering Manufacturers Association Inc
EIN 222293809 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Window Covering Safety Council Inc
EIN 223321197 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Windward Fund
EIN 473522162 · Headquarters: Washington, DC, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wine & Food Society Scholarship Foundation Inc
EIN 522129056 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Wine & Spirits Wholesalers of America Inc
EIN 430590389 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wine Origins Alliance
EIN 473580770 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wineamerica
EIN 161135219 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Winenterprise Fort Dupont Nehemiah
EIN 522247182 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Wingate Family Foundation
EIN 770529034 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- Wings Over America
EIN 521994379 · Headquarters: WASHINGTON, DC, US · Food, Agriculture & Nutrition · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Winning for Women Inc
EIN 821505471 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winning the Issues
EIN 810858246 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winning with Authentically You Alliance
EIN 331552211 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wipp Education Institute Inc
EIN 272953889 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wire Reinforcement Institute Education Foundation
EIN 141916817 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Wireless Communications Association Inc
EIN 521233049 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990
- Wireless Internet Providers Associa
EIN 202181498 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wireless Power Consortium Inc
EIN 841773149 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wires Llc
EIN 331144942 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wiscolombe Inc
EIN 203788808 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Wisconsin Group Inc
EIN 522222858 · Headquarters: WASHINGTON, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Project on Nuclear Arms Control
EIN 521616097 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisdom Walkers Inc
EIN 922519586 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wise Bbyo 5730
EIN 272018755 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Wise Gentleman Mentorship Program
EIN 465753421 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Wise Instititue
EIN 861433014 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wishes For Elliott DBA International SCN8A Alliance
EIN 471822559 · Headquarters: Washington, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- With Honor Action Inc
EIN 821940227 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- With Honor Institute
EIN 923112476 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wmacca
EIN 521928521 · Headquarters: WASHINGTON, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wnd News Center
EIN 832729761 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wolayta International Diaspora Association
EIN 845167792 · Headquarters: WASHINGTON, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Woman Veterans Transitioning Resources Inc
EIN 812816903 · Headquarters: WASHINGTON, DC, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Woman Warrior
EIN 834204934 · Headquarters: Washington, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Woman's National Democratic Club
EIN 530169720 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Womanifesting Inc
EIN 271931435 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Womanium Foundation
EIN 823647011 · Headquarters: Washington, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women 2 Women Conversations
EIN 471938864 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Women Achieving Visionary Excellence Scholarship Fund
EIN 260721327 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Women Advancing Microfinance International
EIN 203050767 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Women Advancing Nutrition Dietetics and Agriculture
EIN 811546243 · Headquarters: WASHINGTON, DC, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Women Against Prostate Cancer Inc
EIN 300539575 · Headquarters: Washington, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Women Against Teenage Pregnancy
EIN 850745201 · Headquarters: Washington, DC, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Women Business Collaborative
EIN 833929571 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Women Construction Owners and Executives USA
EIN 911242049 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Women Empowering Women
EIN 272310842 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Women Enabled International
EIN 611685958 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women Entrepreneurs for Africa
EIN 474795485 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Women for Women International
EIN 521838756 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Women Impacting Public Policy Inc
EIN 383610205 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women in Aerospace Foundation
EIN 271245508 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Women in Aerospace Inc
EIN 541411707 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women in Cable Telecommunications Group
EIN 363539302 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women in Film & Video Inc
EIN 521175294 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women in Government Incorporated
EIN 262565539 · Headquarters: WASHINGTON, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Women in International Security
EIN 463135838 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Women in Logistics and Delivery Services Council
EIN 260609014 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Women in Logistics and Delivery Services Council Inc
EIN 260600914 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Women in Ministry International Inc
EIN 273990729 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Women in Nephrology
EIN 911917790 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Women in the Industry
EIN 261983825 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Women Involved in Reentry Efforts
EIN 464587157 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Women Lead Inc
EIN 454273300 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women of Color Advancing Peace and Security Wcaps
EIN 822531841 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women of Color in Community Development
EIN 830774350 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Women of the Dove Foundation
EIN 432030773 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Women of Worth Inc
EIN 464441220 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Women on Change
EIN 454892438 · Headquarters: washington, DC, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Women Photograph
EIN 833313612 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Women Reaching Our Community Corporation
EIN 842971964 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Women's Business Enterprise National Council
EIN 522023392 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women's Campaign Fund
EIN 203846776 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Women's Congressional Policy Institute
EIN 521914894 · Headquarters: Washington, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women's Congressional Staff Foundation
EIN 830938084 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Women's Council on Energy and the Environment
EIN 521258690 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Women's Information Network
EIN 521708233 · Headquarters: WASHINGTON, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Women's Institute for a Secure Retirement
EIN 521997317 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women's Ordination Conference
EIN 521107945 · Headquarters: WASHINGTON, DC, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women's Transportation Seminar
EIN 521168509 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Women's Transportation Seminar Foundation
EIN 264058230 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Womenpalante
EIN 842729654 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Womens Action for New Directions Edu Fund Inc
EIN 042751387 · Headquarters: Washington, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990
- Womens Action for New Directions Inc
EIN 042777891 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- Womens Air & Space Foundation
EIN 923076231 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Womens Antitrust Forum Inc
EIN 824345422 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Womens Aquatic Network
EIN 881714157 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Womens Energy Network - Washington DC Chapter Inc
EIN 454607084 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Womens Energy Resource Council
EIN 274025471 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Womens Foreign Policy Group Inc
EIN 521818839 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990