AdamsGrayson Corporation

Alcoa Foundation

American Academy of Child and Adolescent Psychiatry

American Bankers Association

American Federation of State, County and Municipal Employees (AFSCME)

American Pharmacists Association

American Psychiatric Association

American Psychological Foundation

The Association for Operations Management (APICS)

Association for Research in Vision and Ophthalmology

Bread for the City

Campaign for Tobacco-Free Kids

Center for Strategic and International Studies

Certified Environments Inc.

Council for Advancement and Support of Education (CASE)

Embassy of Australia

Experience Corps

Gerontological Society of America

Greenhorne & O’Mara

Hildebrandt International

Holy Cross Health

The Hormore Foundation

Integra Software Systems

International Finance Corporation (IFC)

Jack Kent Cooke Foundation

The Maryland-National Capital Park and Planning Commission

Microfinance Opportunities

Military Officers Association of America

Mortgage Bankers Association of America

Mortgage Dynamics, Inc.

The Nasdaq Stock Market

National Air and Space Museum, Smithsonian Institution

National Archives & Records Administration

National Business Group on Health

National Committee for Quality Assurance (NCQA)

National Education Association

National Geographic Society

National Investor Relations Institute

National Museum of the American Indian, Smithsonian Institution

National Museum of Natural History, Smithsonian Institution

National Park Foundation

The Newseum

Pew Environmental Group

Pew Health Group

Pfizer Foundation

PG&E Corporation

Smithsonian Institution Press

Smithsonian Institution Traveling Exhibit Service (SITES)

Society For Human Resource Management (SHRM)

SourceAmerica/AbilityOne Program

Strayer University

Telecommunications Industry Association

University of Maryland

United Therapeutics

U.S. Pharmacopeia

Victor O. Schinnerer & Company

WaterStone Capital

Watson Wyatt Worldwide

The World Bank Group

World Wildlife Fund