· Quincy Street NW is the name of a road in Washington, D.C.
· Quynn's Attic (Washington DC)
Queen bees live in Washington. They begin with the letter Q.
Quincy is a city in Grant County, Washington.
Qualified leader
Queef.
There are a few beginning with Q, see related link for more details...
Quarterdeck.
A quiver is used to carry arrows. It begins with the letter q.
quiet -a moment of silence
Quillayute river, Queets river, Quinault river
Qatar is a country. Washington is a U.S. state.
Comcast headquarters are not located in Washington DC. See below link. http://wiki.answers.com/Q/In_which_state_is_Comcast_corporate_headquarters_located