The headquarters is either called embassies.
DC Shoes company headquarters are located in Huntington Beach, California. DC Shoes was bought by Quicksilver in 2004 and moved to Quicksilver's headquarters.
Washington DC
The headquarters of the Federal Health Insurance are located on 1900 E Street, NW Washington, DC 20415-1000. So the headquarters are in Washington DC.
Washington, DC
Its headquarters is in Washington DC.
The Pentagon.
Washington DC
Washington DC, USA
Huntington Beach, California
Washington DC, USA
Our headquarters is in Washington, DC
The headquarters of OSHA is in Washington, DC.