| Igbo Youth Choir of Washington Dc Inc. (Until December 2006) | Washington, DC |
| Iglesia Bethel De Washington Dc | Washington, DC |
| Iglesia De Dios Pentecostal Nueva Vida New Life Pntcstl Chrch of God | Washington, DC |
| Iglesia Del Dios Vivo Columna Y. Apoyo De La Verdad La Luz Del Mund | Washington, DC |
| Iglesia Del Evangelio Completo Alfa & Omega | Washington, DC |
| Iglesia Evanjelica De Apostoles Y. Profetas | Washington, DC |
| Ilac USA Inc. (Until December 2005) | Washington, DC |
| Ileifa Co Temple of Ifa | Washington, DC |
| Iliaad (Until June 2006) | Washington, DC |
| Ilithyia Institute Inc. (Until December 2006) | Washington, DC |
| Ilsi Center for Health Promotion | Washington, DC |
| Ilsi Health and Environmental Sciences Institute (Until December 2005) | Washington, DC |
| Ilsi North America | Washington, DC |
| Ilsi Research Foundation | Washington, DC |
| Ilsi Risk Science Institute | Washington, DC |
| Images of Cultural Artistry Inc. | Washington, DC |
| Imagine Washington Inc. | Washington, DC |
| Immaculate Conception Community Development Corp | Washington, DC |
| Immanuel Bible Assembly Inc. | Washington, DC |
| Immigration Reform Law Institute | Washington, DC |
| Immigration and Refugee Services of America | Washington, DC |
| Impact Social Group (Until December 2005) | Washington, DC |
| Impact Strategies Inc. (Until June 2004) | Washington, DC |
| In His Name Justice Education and Social Services (Until December 2007) | Washington, DC |
| In2Books Inc. | Washington, DC |
| Inclusion Research Institute (Until December 2004) | Washington, DC |
| Incorporated Research Institutions for Seismology | Washington, DC |
| Independent Foundation | Washington, DC |
| Independent Gasoline Marketers Council Inc. 26 | Washington, DC |
| Independent Laboratories Institute | Washington, DC |
| Independent Living Support Foundation of the District of Colu (Until August 2004) | Washington, DC |
| Independent Living for the Handicapped Incorporated | Washington, DC |
| Independent Sector | Washington, DC |
| Independent Temple Church of God Inc. Widrich Courts | Washington, DC |
| Independent Womens Action Project 6 | Washington, DC |
| Independent Womens Forum | Washington, DC |
| Indian Performing Arts Promotion Inc. (Until December 2004) | Washington, DC |
| Indiana Affordable Housing Inc. | Washington, DC |
| Indigent Civil Litigation Fund Inc. | Washington, DC |
| Indigo Institute | Washington, DC |
| Individual Development Inc. | Washington, DC |
| Indo-Pacific Conservation Alliance | Washington, DC |
| Infemit USA (Until December 2004) | Washington, DC |
| Information for Democracy | Washington, DC |
| Informed Parents Against Vapp | Washington, DC |
| Ingleside at Rock Creek Inc. | Washington, DC |
| Initiatives of Change Inc. | Washington, DC |
| Inner Circle Youth Services Inc. (Until December 2005) | Washington, DC |
| Inner City Awaking Inc. | Washington, DC |
| Inner City Community Resources Iccr Inc. | Washington, DC |
| Inner City Jazz Foundation (Until December 2005) | Washington, DC |
| Inner City Training & Services Associates Inc. (Until December 2005) | Washington, DC |
| Inner High Performing Arts Company | Washington, DC |
| Inner Light Unity Fellowship Church Inc. | Washington, DC |
| Inner Thoughts Inc. | Washington, DC |
| Innerchange Freedom Initiative | Washington, DC |
| Innocence Project of the National Capital Region | Washington, DC |
| Innovation Network Inc. | Washington, DC |
| Innovative Resources Management Inc. | Washington, DC |
| Inspiring Excellence (Until December 2004) | Washington, DC |
| Inspiring Self-Sufficiency in Sisters Inc. | Washington, DC |
| Institute for Advanced Studies in Aging & Geriatric Medicine | Washington, DC |
| Institute for Americas Future Inc. | Washington, DC |
| Institute for Asian Democracy | Washington, DC |
| Institute for Behavioral Change and Research Inc. | Washington, DC |
| Institute for Caribbean and International Studies | Washington, DC |
| Institute for Civic Renewal | Washington, DC |
| Institute for Clinical Research Inc. | Washington, DC |
| Institute for Community Enrichment | Washington, DC |
| Institute for Community Peace Inc. | Washington, DC |
| Institute for Democracy in Eastern Europe Inc. | Washington, DC |
| Institute for Education | Washington, DC |
| Institute for Experiential Learning Inc. | Washington, DC |
| Institute for Global Democracy Inc. (Until December 2005) | Washington, DC |
| Institute for Governance and Sustainable Development Inc. (Until June 2007) | Washington, DC |
| Institute for Government Forums | Washington, DC |
| Institute for Health Freedom | Washington, DC |
| Institute for Health Insurance Policy | Washington, DC |
| Institute for Health Policy Analysis Inc. | Washington, DC |
| Institute for Health Policy Solutions | Washington, DC |
| Institute for Higher Education Policy | Washington, DC |
| Institute for Independent Education Inc. | Washington, DC |
| Institute for Integrity and Accountability in Government Inc. | Washington, DC |
| Institute for Intercultural Relations Incorporated | Washington, DC |
| Institute for International Economics | Washington, DC |
| Institute for International Mediation & Conflict Resolution | Washington, DC |
| Institute for International Studies | Washington, DC |
| Institute for Justice | Washington, DC |
| Institute for Latin American Art Documentation (Until December 2004) | Washington, DC |
| Institute for Liberty and Democracy Inc. (Until December 2006) | Washington, DC |
| Institute for Local Self Reliance Inc. | Washington, DC |
| Institute for Marriage and Public Policy (Until August 2008) | Washington, DC |
| Institute for Mental Health Initiatives | Washington, DC |
| Institute for Ministry Development | Washington, DC |
| Institute for Monetary Policy Analysis and Citizenship Training | Washington, DC |
| Institute for Monumental Architecture 4 | Washington, DC |
| Institute for Pastoral Renewal Inc. | Washington, DC |
| Institute for Policy Advancement (Until December 2008) | Washington, DC |
| Institute for Policy Studies | Washington, DC |
| Institute for Reconstructional and Intrnl Security Through Education (Until December 2005) | Washington, DC |
| Institute for Representative Govt Inc. | Washington, DC |
| Institute for Research Middle Eastern Policy Inc. (Until December 2007) | Washington, DC |
| Institute for Research on the Economics of Taxation | Washington, DC |
| Institute for Responsible Fatherhood & Family Revitalization | Washington, DC |
| Institute for Science and International Security | Washington, DC |
| Institute for Sme Finance (Until June 2004) | Washington, DC |
| Institute for Transformation Through the Arts Inc. (Until December 2004) | Washington, DC |
| Institute for US Cuba Relations | Washington, DC |
| Institute for US Law (Until December 2005) | Washington, DC |
| Institute for Womens Policy Research | Washington, DC |
| Institute for the Advancement of Multicultural & Minority Medicine (Until December 2007) | Washington, DC |
| Institute for the Advancement of Social Work Research | Washington, DC |
| Institute for the Prevention and Eradication of Violence | Washington, DC |
| Institute for the Study of Man Inc. | Washington, DC |
| Institute for the Study of Terrorism & Political Violence Inc. | Washington, DC |
| Institute of African Man Development (Until September 2006) | Washington, DC |
| Institute of Certified Bankers | Washington, DC |
| Institute of Grace | Washington, DC |
| Institute of International Trade and Development | Washington, DC |
| Institute of Transportation Engineers Educational Foundation | Washington, DC |
| Institute of Transportation Engineers Inc. | Washington, DC |
| Institute of Turkish Studies Inc. 4 | Washington, DC |
| Institute of World Affairs | Washington, DC |
| Institute of the Black World 21st Century Inc. (Until December 2006) | Washington, DC |
| Institute on Religion & Democracy | Washington, DC |
| Institute on Taxation and Economic Policy | Washington, DC |
| Instructional Technology Council Community College Distance Learn | Washington, DC |
| Integrated Design Electronics Acade My Public Charter School | Washington, DC |
| Integrated Justice Information Systems Institute Inc. (Until June 2005) | Washington, DC |
| Integrity Research Institute (Until December 2004) | Washington, DC |
| Intellectual Property Development Institute (Until December 2006) | Washington, DC |
| Intellectual Property Owners Education Foundation (Until December 2008) | Washington, DC |
| Intelligent Transportation Society of America Its America 1 | Washington, DC |
| Inter American Institute Inc. | Washington, DC |
| Inter Union for Conservation of Nature & Natural Resources Utd St. | Washington, DC |
| Inter-American Bar Foundation | Washington, DC |
| Inter-American Dialogue | Washington, DC |
| Inter-American Music Friends | Washington, DC |
| Inter-National Association of Business Industry and Rehabilitaio | Washington, DC |
| Interaction American Council for Voluntary International Action Inc. | Washington, DC |
| Interactive Video Science Consortium | Washington, DC |
| Interaid Inc. | Washington, DC |
| Interdonominational Church Ushers Assoc of the Dist of Columbia | Washington, DC |
| Interfaith Alliance Foundation | Washington, DC |
| Interfaith Alliance Foundation Inc. | Washington, DC |
| Interfaith Community Ministry Network | Washington, DC |
| Interfaith Conference of Metropolitan Washington Inc. | Washington, DC |
| Intermedia Survey Institute | Washington, DC |
| Internatioal Aids Trust Inc. (Until December 2005) | Washington, DC |
| International Academy of Neichia Arts and Sciences | Washington, DC |
| International Affairs Educational Foundation Inc. (Until May 2007) | Washington, DC |
| International Artists Support Group | Washington, DC |
| International Arts Enterprises Inc. | Washington, DC |
| International Arts and Artists Inc. | Washington, DC |
| International Association for Continuing Education & Training | Washington, DC |
| International Association for Machine Translation Inc. | Washington, DC |
| International Association for Plant Taxonomy USA | Washington, DC |
| International Association for Support of Privatization | Washington, DC |
| International Association for Volunteer Effort | Washington, DC |
| International Association of Fire Fighters Burn Foundation | Washington, DC |
| International Association of Homes and Services for the Aging | Washington, DC |
| International Association of Museum Facility Adminstrators | Washington, DC |
| International Association of Official Human Rights Agencies | Washington, DC |
| International Association of Women Judges (Until December 2006) | Washington, DC |
| International Bank Note Society | Washington, DC |
| International Basketball Association (Until December 2006) | Washington, DC |
| International Biometric Society | Washington, DC |
| International Bone and Mineral Society Inc. | Washington, DC |
| International Campaign for Tibet | Washington, DC |
| International Campaign to Ban Landmines Inc. | Washington, DC |
| International Capoeira Angola Foundation | Washington, DC |
| International Caterers Association Educational Foundation | Washington, DC |
| International Center | Washington, DC |
| International Center for Innovation in Civic Participation (Until December 2005) | Washington, DC |
| International Center for Journalists Inc. | Washington, DC |
| International Center for Not for Profit Law USA Inc. | Washington, DC |
| International Center for Research on Women | Washington, DC |
| International Center for Technology Assessment | Washington, DC |
| International Center on Child Labour and Education (Until December 2005) | Washington, DC |
| International Center on Nonviolent Conflict 3 | Washington, DC |
| International Child Art Foundation | Washington, DC |
| International Christian Chamber of Commerce USA | Washington, DC |
| International Christian Embassy Jerusalem | Washington, DC |
| International Churchill Society 4 | Washington, DC |
| International City County Management Association | Washington, DC |
| International City Management Association Retirement Corp | Washington, DC |
| International Commission on Freedom of Conscience | Washington, DC |
| International Communication Assn | Washington, DC |
| International Communication Initiatives | Washington, DC |
| International Consortium on Governmental Financial Management | Washington, DC |
| International Council for Computer Communications Iccc | Washington, DC |
| International Council for Small Business | Washington, DC |
| International Criminal Defense Atto Rneys Association USA (Until December 2005) | Washington, DC |
| International Crisis Group | Washington, DC |
| International Development Conference | Washington, DC |
| International Development Law Organization USA 4 | Washington, DC |
| International Economic Development Council Inc. | Washington, DC |
| International Ecotourism Society | Washington, DC |
| International Exchange Council | Washington, DC |
| International Families Inc. | Washington, DC |
Car
Donation Helper