In April 1986 , American Express moved its headquarters to the 51-story Three World Financial Center in New York City . After the events of September 11 , 2001 , American Express had to leave its headquarters temporarily as it was located directly opposite to the World Trade Center and was damaged during the fall of the towers . The company began gradually moving back into its rehabilitated building in 2002
the events of September 11 , 2001
September 11 attacks
American Express