FirstGov
Not sure which US Department you need to visit to find the answers that you need? Try them all! You can search over 186 million web pages from federal and state governments.

FedStats
The FedStats web site provides statistical information from over 100 U.S. Federal agencies. Whether you're doing research or just browsing out of curiosity, the site provides the stats you need, conveniently sorted by topic, agency, and location.

Government Printing Office
Documents from Judicial, Legislative, and Executive branches of the US government.

Thomas- Legislative Information on the Internet
Find out what Congress is up to. This site allow you to examine past, present, and pending legislation. Read an entire bill, or just a summary.

Project Vote Smart
This non-partisan, not-for-profit organization provides information on thousand of candidates and officials, covering five basic categories: backgrounds, issue positions, voting records, campaign finances and performance evaluations.

Biographical Directory of the United States Congress, 1774–Present
All you need to know about past and present members of Congress. Search by name, state or territory, political party, date or Congress, or position. Individual entries include links to a bibliography of works by or about the members and, whenever possible, a guide to research collections that house their papers.

Census Bureau

Federal Web Locator

Government Information

Governement Information Xchange

Internal Revenue Service

U.S. Patent and Trademark Office

White House