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
- Indigo Innovations
EIN 931621594 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Indigo Youth Leadership Community
EIN 824205679 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Indispensable Inc
EIN 823032979 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Individual Development Inc
EIN 521696923 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990
- Individual Liberties Alliance
EIN 992552027 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indivisible
EIN 522234311 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990
- Indivisible Civics
EIN 822355901 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indivisible Project
EIN 814944067 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indo-pacific Forum Inc
EIN 991150338 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Indo-pacific Institute
EIN 882293065 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indonesian American Association
EIN 208640455 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Indpt Order of Odd Fellows Columbian Encampment #1
EIN 521325733 · Headquarters: Washington, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industrial Energy Consumers of America
EIN 222466569 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industrial Truck Standards Development Foundation Inc
EIN 760779106 · Headquarters: WASHINGTON, DC, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Industrial Workers of the World
EIN 205849747 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Industrial Workers of the World
EIN 822771997 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Industry Council for Emergency Response Technologies Inc
EIN 203878470 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industry Pharmacogenomics Working Group C/o Contreras Legal Strategy Llc
EIN 830847467 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Infectious Disease Prevention Network
EIN 874065969 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Infectious Disease Prevention Network Education Fund
EIN 920424098 · Headquarters: WASHINGTON, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Infin a Financial Services Alliance Inc
EIN 222838938 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Infinite Evolution Youth Empowerment Initiative Inc
EIN 813388157 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Infinite Impact Inc
EIN 393495653 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Infinite Minds Inc
EIN 882048960 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Infinite Possibilities International
EIN 472051705 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Infinity Wellness Foundation
EIN 263683072 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Information Technology and Innovation Foundation
EIN 204403497 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Information Technology Industry Council
EIN 131954338 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Information Technology Industry Institute
EIN 992439220 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990
- Informed Consumer
EIN 994108739 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Informed Parents Against Vapp
EIN 522023963 · Headquarters: Washington, DC, US · Medical Research · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Informed Voter Initiative Inc
EIN 934127225 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Informing America Foundation
EIN 863753264 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Infosymmetry Corporation
EIN 845077293 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- InfraGard National Members Alliance Inc
EIN 562354957 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990
- Infrastructuredc
EIN 812063758 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ingenuity Prep
EIN 455054392 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Initiated Eyes Inc
EIN 843421952 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Initiative Eau
EIN 463599128 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Initiative for Global Development
EIN 208003146 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990
- Initiative for Health Care Affordability
EIN 842808290 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Initiative for the Resurgent Abolitionist Movement
EIN 465740334 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Inland20 Scow Association
EIN 882308181 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inlight Group Inc
EIN 833562368 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Inner Harbor Stewardship Foundation
EIN 455117254 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990
- Inner Loop Inc
EIN 833168681 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Innercity Collaborative Comm D
EIN 460854156 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Innergy Inc
EIN 582493640 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Innocents at Risk
EIN 161722439 · Headquarters: WASHINGTON, DC, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Innovante
EIN 331691858 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Innovate Manassas Inc
EIN 814909363 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Innovation Financing Roundtable
EIN 463782029 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Innovation for Equity Inc
EIN 842709943 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Innovations for Poverty Action a Nonprofit Corporation
EIN 061660068 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990
- Innovative Academy of Liberal Arts & Sciences
EIN 850508109 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Innovative Future Collective
EIN 994968226 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Innovative Government Services Association
EIN 845061774 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Innovative Institute Inc
EIN 461660875 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990
- Innovators Network Foundation
EIN 271413020 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inseparable Action Inc
EIN 850946255 · Headquarters: Washington, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inseparable Inc
EIN 850938575 · Headquarters: Washington, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Insight Crime Incorporated
EIN 823793490 · Headquarters: WASHINGTON, DC, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Insight Institute
EIN 463810728 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Insights Association Inc
EIN 132942996 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Insights Association Mid-atlantic Chapter Inc
EIN 363245609 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Insights Association Northwest Chap C/o Northwest Chapter
EIN 942801145 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Inspiration Alumni Foundation
EIN 260705374 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Inspire Dreams Inc
EIN 364634191 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Inspired Families Association
EIN 460753348 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Inspired Teaching Demonstration Public Charter School
EIN 272618506 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inspiredc
EIN 471253037 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- Inspiring Joy
EIN 811086942 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Inspiring Minds Inc
EIN 465459528 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for a Secure America Inc
EIN 873381193 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Accountable Care
EIN 822461803 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Ai Policy and Strateg Y Inc
EIN 320839313 · Headquarters: Washington, DC, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Americas Future Inc
EIN 521971942 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Anarchist Studies
EIN 141790786 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Institute for Applied Humanism
EIN 931340978 · Headquarters: Washington, DC, US · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Asian Democracy
EIN 223112740 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Asian Pacific American Leadership and Advancement
EIN 274284628 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Black Charities Feder
EIN 522350684 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990
- Institute for China-america Studies
EIN 464867689 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Civic Renewal
EIN 521907547 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Clinical Research Inc
EIN 521336656 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Community Economics Inc
EIN 042617283 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Community Enrichment
EIN 521961432 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Community Peace Inc
EIN 521943852 · Headquarters: WASHINGTON, DC, USA · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Institute for Contemporary Expression - Dc
EIN 461469515 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Institute for Credentialing Excellence
EIN 521111515 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Critical Infrastructure Technology
EIN 475294309 · Headquarters: Washington, DC, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Data Integrity
EIN 393206054 · Headquarters: Washington, DC, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Democracy in Eastern Europe Inc
EIN 133278518 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Educational Leadership
EIN 521198450 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Energy Research
EIN 760149778 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Equity and Excellence in Public Education
EIN 813579801 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Institute for Ethical Campaigning
EIN 882917714 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Exceptional Care
EIN 851278444 · Headquarters: Washington, DC, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Experiential Learning Inc
EIN 521677432 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Financial Markets
EIN 521634508 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF