Nonprofits in District of Columbia
Nonprofits in District of Columbia. Browse 18,651 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
- International Building Quality Centre Inc
EIN 883098939 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Campaign for the Rohingya
EIN 814234076 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Campaign for Tibet
EIN 521570071 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Campaign to Ban Landmines - Cluster Munition Coalition Inc
EIN 134113075 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Cancer Expert Corps Inc
EIN 462871353 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Capoeira Angola Foundation
EIN 300131460 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Career Advancement Association
EIN 205621412 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Center for Ethics
EIN 271121199 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Center for Middle Eastern-Western
EIN 205917278 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Center for Not-for-profit Law Inc
EIN 521818273 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Center for Research on Women
EIN 521081455 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990
- International Center for Technology
EIN 521909699 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990
- International Center on Nonviolent Conflict
EIN 810589779 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- International Chewing Gum Association C/o Keller and Heckman Llp
EIN 300630080 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Child Art Foundation
EIN 522032649 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Churchill Society
EIN 320517967 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Civil Society Action Network Inc
EIN 203951175 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Claim Association
EIN 116062801 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Clean Energy Alliance
EIN 261862670 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Coalition Against Illicit Economies
EIN 863204668 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Coalition Against Illicit Economies Foundation
EIN 993067022 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Code Council
EIN 363999004 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Command and Control Institute
EIN 474600240 · Headquarters: Washington, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Committee for Crimea
EIN 455454553 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Communication Association Inc
EIN 310794522 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Communications For
EIN 208258106 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- International Community of Women Living With HIV & AIDS - NA Region
EIN 300596104 · Headquarters: Washington, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Confederation of Free
EIN 131615935 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990
- International Conservation Caucus Foundation
EIN 830449176 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Conservatory of Music Inc
EIN 521189357 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990
- International Consortium For Advancement in ChoreographyInc
EIN 474461571 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Consortium of Investigative Journalists Inc
EIN 814739107 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Contingency and Development Fund
EIN 522038190 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Cooperative Research Group
EIN 810787401 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Cotton Research Assn
EIN 461811676 · Headquarters: WASHINGTON, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Council for Advanced Road Safety
EIN 270855985 · Headquarters: Washington, DC, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Council for Education and Research Inc
EIN 470992441 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- International Council for Small Business George Wash Univ Sch of Business
EIN 941698897 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Council of Beverages Associations
EIN 815008989 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Council of Museums - Us Chapter
EIN 464016036 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990
- International Council on Education for Teaching
EIN 237330685 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Credit Dispute Arbitration Commission
EIN 992036805 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Crisis Group
EIN 525170039 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Cyanide Management Institute
EIN 030492609 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Dairy Foods Association
EIN 521696342 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Dallas Communities
EIN 752905446 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Democrat Union
EIN 850596603 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- International Development Foundation
EIN 815246809 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Development Law Organization-USA
EIN 521312603 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- International Door Association
EIN 311411356 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Door Association Scholarship Foundation
EIN 760708763 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Downtown Association
EIN 381817974 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Downtown Association Foundation
EIN 833016553 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Economic Development Council
EIN 520887806 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Education Council
EIN 522671828 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Emissions Trading Association USA
EIN 980546950 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Families Inc
EIN 521646241 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990
- International Family Alliance Association
EIN 475158543 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Federation of Landscape Architects Americas Regi
EIN 923865215 · Headquarters: Washington DC, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Federation of Musculoskeletal Research Societies
EIN 301218723 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Federation of Musculoskeletal Research Societies
EIN 981404695 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990
- International Federation of Professional & Technic
EIN 521841109 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Federation of Professional & Technical Engineers
EIN 522172832 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Federation of Professional & Technical Engineers
EIN 834548931 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Federation of Professional and Technical Enginee
EIN 473059174 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Federation of Professional and Technical Engineers
EIN 530088460 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Financial Conference
EIN 521319989 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- International Firestop Council
EIN 521696297 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Flight Services
EIN 364373268 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Flight Services
EIN 510160065 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Food & Agricultural Trade Policy Council
EIN 521698771 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990
- International Food Additives Council
EIN 581400220 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Food Information Council
EIN 521439244 · Headquarters: Washington, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990
- International Food Information Council
EIN 521709212 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Food Policy Research Institute
EIN 521041632 · Headquarters: WASHINGTON, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Foreign Policy Center Foundation
EIN 861163464 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Forum for Child Welfare Inc
EIN 521818258 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Foundation for Electoral Systems
EIN 521527835 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Franchise Association
EIN 366108621 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Fund for Chinas Environment
EIN 541814885 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990
- International Fur Federation - Americas Region
EIN 473393860 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Furniture Rental Association Inc
EIN 222133285 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Glutamate Technical Committee
EIN 872973829 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Hajji Baba Society
EIN 237000991 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International House of Prayer
EIN 521721130 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- International Housing Association
EIN 824671871 · Headquarters: Washington DC, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Hydrolyzed Protein Council
EIN 521091972 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Ice Cream Association
EIN 530088310 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990
- International Initiative for Impact Evaluation Inc
EIN 262681792 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Institute for African Defense Security & Governance
EIN 474179790 · Headquarters: WASHINGTON, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Institute for Frame Study
EIN 521820082 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Institute for Information Security and Ai
EIN 372158354 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Institute for Regional Development
EIN 522196734 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- International Institute of Business Technologies Inc
EIN 521807515 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Institute of Jewish Resilience
EIN 471621391 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Institute of Site Planning
EIN 521081046 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Integrity Supervision Net
EIN 992085390 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Intellectual Property Alliance
EIN 862098367 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Intellectual Property Institute
EIN 542070150 · Headquarters: WASHINGTON, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Internship Programs
EIN 521278916 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N