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
- National Association of Investment Companies Inc
EIN 222072345 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Japan-america Societies Inc
EIN 132996432 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Letter Carriers Branch 142
EIN 520908160 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Letter Carriers Building Corporation
EIN 521400687 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Local Government Environmental Professionals
EIN 521878143 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- National Association of Local Housing Finance Agencies
EIN 521293119 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Local Long-term Care Ombudsmen
EIN 884171121 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National Association of Long Term Care Administrator Boards
EIN 237155858 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Manufacturers
EIN 131084330 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Margarine Manufacturers
EIN 530114665 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990
- National Association of Minority Contractors Trade Group
EIN 221884963 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Association of Minority Contractors Washington Dc Metropol
EIN 300327895 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Minority Political Families USA Inc
EIN 521502608 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Negro Business and Profess
EIN 340977363 · Headquarters: Washington, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Neighborhoods
EIN 237148216 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Nonprofit Organizations and Executives
EIN 810932733 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of Nuclear Pharmacies
EIN 274030019 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of Nurse Practitioners in Women's Health
EIN 133216405 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Nutrition & Aging Services Programs
EIN 042639088 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Parliamentarians
EIN 237128749 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Association of Parliamentarians
EIN 237403185 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- National Association of Plant Patent Owners
EIN 530176862 · Headquarters: WASHINGTON, DC, US · Housing & Shelter · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Association of Police & Lay Charities
EIN 522016620 · Headquarters: WASHINGTON, DC, USA · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- National Association of Police Athletic Activities Leagues Inc
EIN 221838364 · Headquarters: WASHINGTON, DC, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Pretrial Service Agencies
EIN 237281239 · Headquarters: Washington, DC, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Printing Ink Manufacturers Inc
EIN 131084380 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Railroad Passengers
EIN 362615221 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Regional Councils
EIN 526082922 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Regulatory Utility Commissioners
EIN 530204609 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Rehabilitation Providers & Agencies
EIN 311026576 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Secretaries of State
EIN 611332655 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Securities Professionals
EIN 133314582 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Security Companies Inc
EIN 133005663 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Shareholder and Consumer Attorneys
EIN 521608589 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Association of Social Work Alabama Chapter
EIN 510218196 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 135643515 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Social Workers
EIN 351358425 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 391208402 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 410794059 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 480862101 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 510218285 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 720792896 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 930580885 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers
EIN 953257885 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Ak Chapter
EIN 510218393 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Arkansas Chapter
EIN 710488934 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Ca
EIN 941745038 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Colorado Chapter
EIN 840684219 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Delaware Chapter
EIN 510124059 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Georgia Chapter
EIN 581035373 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Hawaii Chapter
EIN 990153883 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Illinois Chapter
EIN 362317625 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Inc
EIN 450348425 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Inc
EIN 570621228 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Inc
EIN 591474070 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Inc
EIN 910973828 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Iowa Chapter
EIN 421088788 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Kentucky Chapter
EIN 610919214 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Maryland Chapter
EIN 520899851 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Massachusetts Chapter
EIN 042205884 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Michigan Chapter
EIN 382160106 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Mississippi Chapter
EIN 640595803 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Montana Chapter
EIN 810370923 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Nevada Chapter
EIN 510218322 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers New York State Chapter
EIN 141592306 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Nj Chapter
EIN 221624177 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Nyc Chapter
EIN 135672223 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Ohio Chapter
EIN 340793370 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Oklahoma
EIN 731016647 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Pa Chapter
EIN 231724236 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Puerto Rico Chapter
EIN 660379297 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Ri Chapter
EIN 237209417 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Ut Chapter
EIN 870272753 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Vermont Chapter
EIN 510218385 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Wv Chapter 360
EIN 510218382 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Social Workers Wyoming Chapter
EIN 830244905 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- National Association of Specialty Pharmacy Inc
EIN 460917764 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Alcohol and Drug Agency Directors Inc
EIN 520983141 · Headquarters: WASHINGTON, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Budget Officers
EIN 521625594 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Directors of Migrant Education
EIN 721366400 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Election Directors
EIN 611228741 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of State Foresters
EIN 510141374 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Association of State Foresters Foundation
EIN 411567714 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Treasurers
EIN 592017623 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Treasurers Foundation Inc
EIN 611370611 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of State Workforce Agencies
EIN 521902649 · Headquarters: Washington, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Student Financial Aid Administrators
EIN 830211970 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Student Personnel Administrators Inc
EIN 521542164 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Theatre Owners Inc
EIN 131580907 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Towns and Townships
EIN 522014102 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Tribal Historic Officers Inc
EIN 742893040 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of University Women
EIN 237121300 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of University Women Group Return
EIN 900536679 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Veterans Program Administrators
EIN 521075537 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Veterans' Research and Education Foundations
EIN 521784596 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Association of Volunteer Programs in Local Government
EIN 912195083 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National Association of Waterfront Employers
EIN 237333287 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Association of Wheat Growers
EIN 480668648 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Wheat Growers Foundation
EIN 521096874 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Wholesaler- Distributors Inc
EIN 530188893 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990