THOMAS Legislative Research System from The Library of Congress U.S. Government for Kids U.S. House of Representatives U.S. Senate The White House Cabinet Departments The Department of Agriculture The Department of Commerce The Department of Defense The Department of Education The Department of Energy The Department of Health and Human Services The Department of Homeland Security The Department of Housing and Urban Development The Department of the Interior The Department of Justice The Department of Labor The Department of State The Department of Transportation The Department of the Treasury The Department of Veterans' Affairs Other Federal Agencies The Bureau of Alcohol, Tobacco and Firearms The Bureau of the Census The Centers for Disease Control and Prevention The Commission on Civil Rights The Consumer Product Safety Commission The Drug Enforcement Administration The Environmental Protection Agency The Federal Aviation Administration The Federal Emergency Management Agency The Fish and Wildlife Service The Food and Drug Administration The U.S. Citizenship and Immigration Services The National Endowment for the Arts The National Institutes of Health The National Park Service The Occupational Safety and Health Administration The Peace Corps The Securities and Exchange Commission The Selective Service The Social Security Administration The U.S. Postal Service