None really. Washington DC is a services town and our largest sectors are all related to professional services, education, healthcare, and government. There are some small minor industries in Washington DC such as jewelery stores or metal fabricators. Manufacturing is not a a part of the DC economy.
Trains and Trucks are used to bring goods to cross docking facilities near Washington DC. Inside DC, truck and Vans are used to move goods to their final destinations.
Washington, DC
Washington DC
Washington - Baltimore Washington International, DC, USA (BWI) Washington - Washington - All Airports, DC, USA (WAS) Washington - Ronald Reagan National Airport, DC, USA (DCA) Washington - Washington Dulles, DC, USA (IAD)
there are no counties in Washington DC because Washington DC is a city itself.
Washington, DC
Washington DC
Yes, the headquaters are in Washington DC.
Washington DC was named by george washington.
On the mall in Washington, DC.
There are thousands of scupltures in Washington DC.
Washington DC is in the Eastern Time zone.