Government agencies (U.S. and foreign)

• The Census Bureau
• The Bureau of Economic Analysis
• The Bureau of Labor Statistics
• National Center for Education Statistics
• The Bureau of Justice Statistics
• National Center for Health Statistics
• The Bureau of Transportation Statistics
• and so on…

Inter-Governmental Organizations (IGO’s)

• The United Nations
• the World Bank / International Monetary Fund
• OECD (The Organization for Economic Co-operation and Development)

Professional / trade & industry / special-interest organizations

• The American Medical Association
• The American Library Association
• The American Marketing Association
• The American Bar Association
• The American Psychological Association
• The Beer Institute
• Toy Manufacturers of America
• American Apparel and Footwear Association
• Amnesty International
• The American Civil Liberties Union (ACLU)
• The National Organization for Women
• The NAACE
• Greenpeace
• Save the Bay

Studies, Polls, Surveys, Misc. Research

• Tend to focus on specific topics, e.g. attitudes of high school students toward drug use, should the death penalty be abolished, the popularity of the President of the United States, etc. 
• Usually done at universities or research institutes, or by opinion research firms.
• Results are reported in scholarly publications, like journals, and, in some cases, in the popular media.