Welcome home, war!
The FAA has released a list of drone certificates . Drones are being flown by the military, by police forces, by drone companies, by universities, small towns, and counties. (Read more at the link.)
Here in Virginia, Virginia Tech in Blacksburg has an active drone flyin' certificate. VCU in Richmond has one that's listed as expired.
The Marines in Quantico, the U.S. Army in Northern Virginia, and DARPA in Northern Virginia also fly drones, but nobody knows where in the U.S. they fly them.