General

The U.S. Code, the Federal Register, and the Code of Federal Regulations
Federal Government Documents and Links via the GPO
Federal Statistics Site | National Center for Health Statistics
USA.gov -- portal to U.S. and state government sites

Courts

Federal Court Locator
US Supreme Court
Fifth Circuit Court of Appeals
US District Court for the Eastern District of Texas
US District Court for the Southern District of Texas

Executive

Executive Orders
Office of Management and Budget (OMB)
White House

Congress

Congressional Budget Office
Government Accountability Office
House | Budget Committee | Commerce Committee
Ways and Means Committee
Joint Committee on Taxation
Senate | Finance Committee
THOMAS, the Library of Congress' congressional legislation resource

Agencies and Departments

Administration on Aging
Bureau of Primary Health Care
Centers for Disease Control and National Prevention Information Network
Department of Defense Tricare
Tricare Policy with online Tricare manuals
Federal Bureau of Investigation
Federal Trade Commission
Bureau of Competition Health Care page
Food and Drug Administration
Centers for Medicare & Medicaid Services
Health & Human Services Department | Office of the Inspector General | OIG Publications
Internal Revenue Service
Justice Department
U.S. Attorneys' Offices
Social Security Administration
US Attorney - Press Releases
US Bureau of the Census
US Sentencing Commission