FRED provides economic data from 42 sources. Provides an Excel add-in that allows access and manipulation of more than 45,000 data series.
Public Debt Reports
This site provides access to the 5 separative financial statements which account for the outstanding debt recorded by the Bureau of the Public Debt; the Treasury Bulletin, Schedules of Federal Debt, and Historical Debt Outstanding.
S&P 500
The Standard and Poor's 500, or simply the S&P 500, is a free-float weighted measurement stock market index of 500 of the largest companies listed on stock exchanges in the United States.
USDA Economic Research Service
Excellent information (data sets, charts, maps, and reports) analyzed by state, region, and industry. Also provides popular topics on issues such as Farm Economy, Bioenergy, and Food Security in the U.S.
The World Bank
The World Bank's Open Data initiative provides all users with open access to World Bank data. The Impact Evaluation Microdata Catalog provides access to data and metadata underlying impact evaluations conducted by the World Bank or other agencies.
Tax Statistics
A wide range of tables, articles, and data that describe and measure elements of the U.S. tax system.
Export.gov
Export.gov offers a wide range of current industry and trade information to help exporters of U.S goods and services find the information they need to compete successfully in overseas markets.