Associate Administrator for Administration
Associate Administrator for Commercial Space Transportation
Civil Aviation Security
Office of the Associate Administrator for Airports
Office of System Safety
Flight Standards Service
Mike Monroney Aeronautical Center
William J. Hughes Technical Center

Associate Administrator for Policy
Office of International Programs
Office of Policy Development
Office of Highway Information Management
Applied Research and Technology Program
Office of Environment and Planning
Office of Highway Information Management
Office of Highway Safety
Office of International Programs
Office of Motor Carriers

Legislative Branch of Government
Judicial Branch of Government
Independent Councils, Commissions, Working Goups, Office's Institute, and Committees
Independent Boards, Services, Foundations, Authority's, Center's,  Corporation's, Bank's, Information's, Administration's And Agencies
Smithsonian Institution

The Disaster Center