[Philip Lelyveld comment; rather than focus on politics, these five cover a wide range of general interest VR areas.]
Machine Elf has developed a program for developers, architects and engineers to better communicate building plans via a virtual reality headset.
Agora VR is developing software that aims to let users attend seminars, university lectures or business meetings with the help of a virtual reality headset.
VisiSonics are the creators of products enabled by 3D audio.
Brightline Interactive is broadly a diverse digital services agency that works with some of the largest national companies to create brand experiences.
The makers of VR headsets and software, Sensics was founded in 2003 out of Johns Hopkins University.
See the full story here: http://dcinno.streetwise.co/2015/05/03/top-virtual-reality-tech-startups-in-d-c-virginia-maryland/