VTSG is located in Herndon, VA just east of the Washington Dulles International airport on Rt. 267.

From Dulles Airport:
Proceed east on the Dulles Airport Access Road / Rte. 267. Take exit #10 to Herndon. At bottom of ramp, turn left at light (North) on Centreville Road which becomes Elden Street. Take a right on Herndon Parkway, ~1 mile on the left is PS Business Park which is a collection of grey buildings with green trim. VTSG is in building 620 at the northwest corner of PS Business Park. Turn left into PS Business Park. Take an immediate left once you enter. Proceed through the lot to find building 620 at the end. Parking is free. Enter throught the main doors and take the elevator to the third floor. VTSG is to the right after exiting the elevator in Suite 320.

From Washington DC:
From I-495 (DC Beltway) take the Dulles Airport Access Road / Rte. 267 to exit #11, Rte. 7100, the Fairfax County Parkway. Turn right (North) on Fairfax County Parkway immediately after toll. Proceed briefly north to first light, turn left on ramp to Spring Street. At light at bottom of ramp, turn right on Spring Street and proceed to next light. Take a left on Herndon Parkway, ~1mile on right is PS Business Park which is a collection of one story grey buildings with green trim. VTSG is in building 620 at the northwest corner of PS Business Park. Turn right into PS Business Park and take an immediate left once you enter. Proceed through the lot to find building 620 at the end. Parking is free. Enter throught the main doors and take the elevator to the third floor. VTSG is to the right after exiting the elevator in Suite 320.