Executive Departments
Department of Agriculture (USDA)Department of Commerce (DOC)Department of Defense (DOD)Department of Education (ED)Department of Energy (DOE)Department of Health and Human Services (HHS)Department of Homeland Security (DHS)Department of Housing and Urban Development (HUD)Department of the Interior (DOI)Department of Justice (DOJ)Department of Labor (DOL)Department of State (DOS)Department of Transportation (DOT)Department of the TreasuryDepartment of Veterans Affairs (VA)
Independent Agencies and Sub-Agencies
Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)Centers for Disease Control and Prevention (CDC)Central Intelligence Agency (CIA)Drug Enforcement Administration (DEA)Environmental Protection Agency (EPA)Federal Aviation Administration (FAA)Federal Bureau of Investigation (FBI)Federal Deposit Insurance Corporation (FDIC)Federal Emergency Management Agency (FEMA)Federal Highway Administration (FHA)Federal Trade Commission (FTC)General Services Administration (GSA)Internal Revenue Service (IRS)National Aeronautics and Space Administration (NASA)Social Security Administration (SSA)Transportation Security Administration (TSA)