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
- Historic Mount Pleasant Inc
EIN 237702513 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Historic Tax Credit Coalition
EIN 264177858 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Historical Society of Washington DC Dba DC History Center
EIN 530238800 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Holistic Intentions for Global Healing
EIN 814843506 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Holy Comforter St Cyprian Community Action Group
EIN 521679470 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Home Fashion Products Association
EIN 237069954 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Homeland Democratic Foundation
EIN 472146652 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Hope and a Home
EIN 202869184 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Horace Mann Elementary School Pta
EIN 521067634 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Horton's Kids Inc
EIN 521755403 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hospice Foundation of America Inc
EIN 592219888 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hotel Association of Washington Dc In
EIN 530085970 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hotel Association of Washington Dc Insurance Fund
EIN 530189654 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Household & Commercial Products Association Inc
EIN 131084295 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Household Product Stewardship Alliance
EIN 994124182 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Housing and Development Law Institute
EIN 521360378 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Housing Solutions Coalition
EIN 933632178 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Howard & Jacqueline Chertkof Foundation Inc C/o Susan Chertkof
EIN 521489260 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Howard and Geraldine Polinger Family Foundation
EIN 526078041 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Howard Chaarg
EIN 872858354 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Howard University Pharmacy Alumni Association Inc
EIN 521659483 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hpw Unlimited
EIN 831509407 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hrc Minnesota Pac
EIN 205337346 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Htiw Coalition
EIN 521766217 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hud Fitness Association
EIN 521584958 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hudson Institute Inc
EIN 131945157 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Human Rights Campaign Ohio Families Pac
EIN 261318248 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Human Rights Campaign Washington Marriage Majority Pac
EIN 454490845 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Humanity Forward Inc
EIN 844888448 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Humanity Over Ai
EIN 932146114 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Humbly Submitted Ministries
EIN 311777825 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Humentum Inc
EIN 521312495 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hydropower Foundation Inc
EIN 521851292 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- I Am Activity of the District of Columbia
EIN 526044702 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Iamerica Action
EIN 474489515 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ici Education Foundation
EIN 521659777 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ideal Immigration Action Inc
EIN 832268923 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Iesc
EIN 132503656 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- If Not Now Movement
EIN 834664015 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ifcss Foundation Inc
EIN 521653928 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Iffip Inc
EIN 850725264 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ifp Action
EIN 882117242 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ifpte Local 1921-Gao Employees Organization
EIN 320248070 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Iglesia Evangelica Apostoles Y Profetas Ef 220
EIN 521370283 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Iglesia Evangelica Viviendo Los Ultimos Tiempos Inc
EIN 473980239 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Igsd Action Fund
EIN 853119472 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Imagine Hope Community Charter Parent Teacher Organization
EIN 272712216 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Immigrant Voters Win Nv
EIN 813589439 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Immigration Reform Law Institute Inc
EIN 521469956 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Immigrationworks Foundation
EIN 263268040 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Impact
EIN 753054646 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Impact Alliance
EIN 270981291 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Impetus Fund
EIN 851701143 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Improved Benevolent Protective Order of Elks of the World
EIN 270446964 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- In Da Streets
EIN 264444324 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- In Defense of Christians Advocacy Inc
EIN 472364102 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- In Union USA Action
EIN 851983868 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inclusivus
EIN 474073523 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Incubate
EIN 854136963 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Independent Bakers Association Inc
EIN 136271761 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Independent Community Bankers of America
EIN 410327400 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Independent Laboratories Institute
EIN 521787694 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Independent Order of Odd Fellows
EIN 237600186 · Headquarters: District of Columbia, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Independent Order of Odd Fellows
EIN 521847382 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Independent Order of Odd Fellows
EIN 581783284 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Independent Order of Odd Fellows Central Lodge #1
EIN 581783260 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Independent Patriot Project Inc
EIN 991929801 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Independent Petroleum Association
EIN 730296927 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Gaming Association
EIN 521834892 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Gaming National Intelligence Network
EIN 510590766 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Indiana Society of Washington D C
EIN 526040726 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Indigo Innovations
EIN 931621594 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Individual Liberties Alliance
EIN 992552027 · Headquarters: Washington, DC, USA · Unknown & Unclassified · 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
- Industrial Energy Consumers of America
EIN 222466569 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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
- Information Technology Industry Council
EIN 131954338 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · 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 Voter Initiative Inc
EIN 934127225 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Initiated Eyes Inc
EIN 843421952 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · 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
- 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
- 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
- Inspiredc
EIN 471253037 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- 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 Credentialing Excellence
EIN 521111515 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Educational Leadership
EIN 521198450 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Gilgit Baltistan Studies
EIN 273394938 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Institute for Government and Media Integrity
EIN 474890105 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Institute for Health Policy Accountability
EIN 873504906 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Portfolio Alternatives Inc
EIN 222597521 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Responsible Housing Preservation
EIN 521653533 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for the Study of Modern Authoritarianism
EIN 861870673 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Women's Policy Research
EIN 521549572 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute of Classical Architecture and Art Inc
EIN 202429704 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Current World Affairs Inc
EIN 131621044 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Institute of Internal Auditors
EIN 522342416 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute of International Finance
EIN 521289843 · Headquarters: Washington, DC, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990