| Color Me Human Players | Washington, DC |
| Columbia Heights Village Together Inc. (Until December 2004) | Washington, DC |
| Columbia Heights and Shaw Family Support Collaborative (Until July 2005) | Washington, DC |
| Columbia Hospital for Women Foundation Inc. | Washington, DC |
| Columbia Hospital for Women Self-Insurance Trust | Washington, DC |
| Columbia Lighthouse for the Blind | Washington, DC |
| Columbia Recovery Centers Inc. | Washington, DC |
| Columbia Research Systems Inc. | Washington, DC |
| Columbia Road Health Service Inc. | Washington, DC |
| Columbia Shuttle Memorial Tr (Until December 2007) | Washington, DC |
| Columbusites Club Inc. | Washington, DC |
| Combined Cathedral Crews Rowing Club Inc. | Washington, DC |
| Combined Federal Child Development Center Inc. | Washington, DC |
| Comm Workers of Amer National Education and Training Tr | Washington, DC |
| Commerce Department Child Care Center | Washington, DC |
| Commercial Real Estate Education and Research Foundation | Washington, DC |
| Commercial Vehicle Safety Alliance | Washington, DC |
| Commission for Social Justice Order Sons of Italy in America | Washington, DC |
| Commission on Presidential Debates | Washington, DC |
| Commission on Professionals in Science and Technology | Washington, DC |
| Commission on Savings and Investment in America | Washington, DC |
| Committee for A. Constructive Tomorrow | Washington, DC |
| Committee for A. Responsible Federal Budget | Washington, DC |
| Committee for Citizen Awareness | Washington, DC |
| Committee for Danubian Research Inc. | Washington, DC |
| Committee for Economic Development | Washington, DC |
| Committee for Justice Foundation (Until December 2006) | Washington, DC |
| Committee for Western Civilization | Washington, DC |
| Committee for the Capital City 4 | Washington, DC |
| Committee for the Future Inc. | Washington, DC |
| Committee for the Preservation of Palestinian Heritage Cpph | Washington, DC |
| Committee for the Study of the American Electorate | Washington, DC |
| Committee of 100 on the Federal City | Washington, DC |
| Committee of Ten Thousand | Washington, DC |
| Committee of Twenty One for the Horace Mann Community Center Inc. | Washington, DC |
| Committee on the Constitutional System | Washington, DC |
| Committee or Responsible American Leadership Inc. (Until December 2007) | Washington, DC |
| Common Cause Education Fund (Until December 2004) | Washington, DC |
| Communication Network | Washington, DC |
| Communications Consortium Media Center | Washington, DC |
| Communications Workers of America Disaster Relief Fund | Washington, DC |
| Communio | Washington, DC |
| Communitarian Network | Washington, DC |
| Communitas Inc. | Washington, DC |
| Communities Against Violence Network | Washington, DC |
| Community Academy Public Charter School | Washington, DC |
| Community Action Partnership | Washington, DC |
| Community Capital Corporation (Until December 2005) | Washington, DC |
| Community Connections | Washington, DC |
| Community Council for the Homeless at Friendship Place | Washington, DC |
| Community Development Fund Inc. | Washington, DC |
| Community Development Transportation Lending Services (Until December 2004) | Washington, DC |
| Community Education Group Inc. | Washington, DC |
| Community Equity Empowerment Partnership | Washington, DC |
| Community Family Life Services Inc. | Washington, DC |
| Community First Inc. | Washington, DC |
| Community Help in Music Education Chime | Washington, DC |
| Community Housing Inc. | Washington, DC |
| Community Housing for the Hearing Impaired Inc. | Washington, DC |
| Community Mosque Inc. of Washington D. C. | Washington, DC |
| Community Partnership for the Prevention of Homelessness | Washington, DC |
| Community Preservation and Development Corporation | Washington, DC |
| Community Research Inc. | Washington, DC |
| Community Research and Learning Network Inc. (Until June 2007) | Washington, DC |
| Community Resources Inc. | Washington, DC |
| Community Rights Counsel | Washington, DC |
| Community Service Corporation Inc. (Until December 2006) | Washington, DC |
| Community Service Guild Inc. | Washington, DC |
| Community Services Agency of the Metro Washington Council Afl Cio | Washington, DC |
| Community Services Center (Until December 2006) | Washington, DC |
| Community Support Network Inc. | Washington, DC |
| Community Tax Aid Inc. | Washington, DC |
| Community Teachers Institute Inc. | Washington, DC |
| Community Transportation Association of America | Washington, DC |
| Community Vision Inc. | Washington, DC |
| Community Youth Connection Inc. | Washington, DC |
| Community for Creative Non-Violence | Washington, DC |
| Community of Caring Inc. | Washington, DC |
| Community of Christ | Washington, DC |
| Community of Hope Inc. | Washington, DC |
| Community of the Whole Person | Washington, DC |
| Community on the Hill | Washington, DC |
| Companions in World Mission | Washington, DC |
| Company Inc. | Washington, DC |
| Compassion Over Killing Inc. | Washington, DC |
| Compel Them Outreach Inc. (Until December 2003) | Washington, DC |
| Competitive Enterprise Institute | Washington, DC |
| Concern Inc. | Washington, DC |
| Concerned Black Men Inc. of Washington Dc | Washington, DC |
| Concerned Members of Oak Hill Baptist Church | Washington, DC |
| Concerned Women for America | Washington, DC |
| Coneg Policy Research Center Inc. | Washington, DC |
| Confederation of Associations of Entrepreneurs in Russia USA | Washington, DC |
| Conference Board of the Mathematical Sciences | Washington, DC |
| Conference of Mayors Research and Education Foundation | Washington, DC |
| Conference of Minority Transportation Officials | Washington, DC |
| Conference on Asian Pacific American Leadership | Washington, DC |
| Conflict Resolution Education Network Inc. | Washington, DC |
| Conflict Soultions International Inc. (Until December 2007) | Washington, DC |
| Confraternity of Rosary for Sick & Handicapped Pilgrims to Lourdes | Washington, DC |
| Congregation Beth Joshua | Washington, DC |
| Congregation of Jehovahs Witnesses of Wash Dc Fort Chpln Pk Unit Inc. | Washington, DC |
| Congregational Churches in the U. S. & Institutions Thereof 1 | Washington, DC |
| Congress of National Black Churches | Washington, DC |
| Congressional Asian Pacific American Staff Association Inc. (Until December 2003) | Washington, DC |
| Congressional Award Foundation 1 | Washington, DC |
| Congressional Black Caucus Foundation Inc. | Washington, DC |
| Congressional Charity Golf Tournam- Ent Inc. | Washington, DC |
| Congressional Club Museum and Foundation | Washington, DC |
| Congressional Economic Leadership Institute | Washington, DC |
| Congressional Fire Services Institute Inc. | Washington, DC |
| Congressional Hispanic Caucus Institute Inc. | Washington, DC |
| Congressional Hunger Center | Washington, DC |
| Congressional Management Foundation | Washington, DC |
| Congressional Wine Foundation (Until December 2005) | Washington, DC |
| Congressional Youth Leadership Council | Washington, DC |
| Connect for Kids (Until December 2006) | Washington, DC |
| Connie and Priscilla Mack Foundation (Until June 2006) | Washington, DC |
| Conquesthouse Inc. | Washington, DC |
| Conrad Cafritz Charitable Tr Ua 110794 4 | Washington, DC |
| Conradh NA Gaeilge Washington the Gaelic League of Washington | Washington, DC |
| Consciousness Connections Foundation | Washington, DC |
| Conservation International Foundation | Washington, DC |
| Consolidated Family Services Inc. (Until December 2005) | Washington, DC |
| Consortium for Child Welfare | Washington, DC |
| Consortium for Elections and Political Process Strengthening | Washington, DC |
| Consortium for International Cooperation in Higher Education | Washington, DC |
| Consortium for Oceanographic Research and Education Inc. | Washington, DC |
| Consortium for School Networking | Washington, DC |
| Consortium for Youth Services Inc. | Washington, DC |
| Consortium for the Advancement of Private Higher Education Inc. | Washington, DC |
| Consortium for the National Equal Justice Library | Washington, DC |
| Consortium of Universities for the Advangement of Hydrologic Science (Until December 2005) | Washington, DC |
| Consortium of Universities of the Washington Metropolitan Area | Washington, DC |
| Constituency for Africa Inc. Cfa | Washington, DC |
| Constitution Project | Washington, DC |
| Consumer Action Network (Until December 2007) | Washington, DC |
| Consumer Alert Inc. | Washington, DC |
| Consumer Coalition for Quality Health Care | Washington, DC |
| Consumer Counseling Centers of America Inc. | Washington, DC |
| Consumer Driven Services Inc. | Washington, DC |
| Consumer Energy Council of America Research Foundation | Washington, DC |
| Consumer Federation of America Foundation | Washington, DC |
| Consumer Federation of America Inc. (Until December 2007) | Washington, DC |
| Consumer Health Foundation 4 | Washington, DC |
| Consumer Interest Research Institute | Washington, DC |
| Consumers Choice Council | Washington, DC |
| Consumers Research Inc. | Washington, DC |
| Consumers for Dental Choice Inc. (Until December 2004) | Washington, DC |
| Consumers for World Trade 6 | Washington, DC |
| Contee A. M. E. Zion Church | Washington, DC |
| Contemplative Outreach of Metropolitan Washington Inc. | Washington, DC |
| Contempory Music Forum | Washington, DC |
| Conus Education and Information Networks Inc. (Until September 2003) | Washington, DC |
| Cooper - Hewitt Museum of Decorative Arts of the Smithsonian | Washington, DC |
| Cooperative Development Foundation | Washington, DC |
| Cope Therapeutic Services Inc. 1 (Until December 2004) | Washington, DC |
| Cordell Hull Institute Inc. | Washington, DC |
| Core Inc. (Until September 2005) | Washington, DC |
| Corina Higginson Trust 4 | Washington, DC |
| Corinth Baptist Church of Wash Ington District of Columbia | Washington, DC |
| Corinthian Baptist Church | Washington, DC |
| Cornell Club of Washington Inc. | Washington, DC |
| Corner Store (Until January 2007) | Washington, DC |
| Cornerstone Bayview Inc. | Washington, DC |
| Cornerstone Campaign (Until December 2006) | Washington, DC |
| Cornerstone Inc. | Washington, DC |
| Cornerstone Progressive Grove Inc. | Washington, DC |
| Cornerstone Progressive Pines Inc. | Washington, DC |
| Cornerstone Schools of Washington Dc Inc. | Washington, DC |
| Cornerstone St. Lukes Inc. | Washington, DC |
| Cornerstone-Robins Inc. | Washington, DC |
| Corporate Council on Africa | Washington, DC |
| Corporate Voices for Working Families Inc. (Until December 2005) | Washington, DC |
| Corporation for Enterprise Development Cfed | Washington, DC |
| Corporation for Independent Higher Education | Washington, DC |
| Corporation for Public Broadcasting | Washington, DC |
| Corporation for Youth Educational Services | Washington, DC |
| Cosmetic Toiletry and Fragrance Association Foundation Inc. | Washington, DC |
| Cosmic Academy Inc. | Washington, DC |
| Cosmic Church | Washington, DC |
| Cosmopolitan Club of Washington Charities Inc. | Washington, DC |
| Cosmos Club Historic Preservation Foundation | Washington, DC |
| Council for A. Community of Democracies Inc. | Washington, DC |
| Council for Advancement and Support of Education 1 | Washington, DC |
| Council for Advancement of Consumer Policy | Washington, DC |
| Council for Basic Education | Washington, DC |
| Council for Chemical Research | Washington, DC |
| Council for Christian Colleges and Universities | Washington, DC |
| Council for Court Excellence | Washington, DC |
| Council for Educational Development and Research Inc. | Washington, DC |
| Council for Excellence in Government | Washington, DC |
| Council for Higher Education Accreditation | Washington, DC |
| Council for Opportunity in Education | Washington, DC |
| Council for Resource Development Inc. | Washington, DC |
| Council for the Advancement of Standards in Higher Education | Washington, DC |
| Council for the Defense of Freedom | Washington, DC |
| Council for the National Interest 6 | Washington, DC |
| Council for the National Interest Foundation Inc. | Washington, DC |
| Council for the Natl Rgstr of Hlth Serv Providers in Psychology Inc. | Washington, DC |
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