where is inmarsat located
Directions to Inmarsat Government Headquarters 11600 Sunrise Valley Drive, Suite 200, Reston, VA 20191. The Inmarsat Government headquarters are ideally located in Reston, Virginia â a rapidly growing IT center within close proximity to our Nationâs Capital, and only a few miles away from Dulles International Airport. Written directions to Inmarsat Government from several regional locations can be found below.