1. The Mother of all Government sites:
Portal for all major State and Federal government listings, including online services for individuals and businesses. Zip into websites for free on-line tax filings, passport applications, Federal forms and addresses for many other government agencies.
2. U.S. Customs
Get the scoop on comings and goings, tariffs and ports.
3. Department of Commerce
http://www.commerce.gov/
Latest economic indicators, lots of statistics,
lists of services available to you.
4. Statistics
http://www.fedstats.gov/
Links statistical data from every Federal agency.
5. Copyright
http://www.loc.gov/copyright/
Guides you easily through the law, Frequently Asked Questions (FAQ) section; steers you through registration process with downloadable forms. Site includes a research engine to search documents and records on file since 1978.
6. U.S. Pop Clock
http://www.census.gov/main/www/popclock.html
Up to the second world and U.S. population statistics