Tysons and the Washington metropolitan area at , and is the second-tallest non-communication structure in the Washington metropolitan area after the Washington Monument (which stands ). 1775 Tysons Boulevard, constructed by Lerner Enterprises near Tysons Corner station, is the first building in Tysons to achieve platinum status under the Leadership in Energy and Environmental Design (LEED) building rating system and among the first in the Washington metropolitan area. Tysons has the 8th largest retail square footage in the United States with . Tysons is home to the corporate headquarters of five Fortune 500 companies: Freddie Mac, Capital One, Hilton Worldwide, Booz Allen Hamilton, and Gannett Company. Tallest buildings There are at least 18 completed or topped out skyscrapers in Tysons that stand at least tall, based on standard height measurement which includes spires and architectural details but does not include antenna masts. Tallest buildings under construction or proposed Under construction The following buildings under construction in Tysons are expected to rise at least . Proposed There are numerous buildings proposed in Tysons that are expected to rise at least . Timeline of tallest buildings See also List of tallest buildings in Virginia List of tallest buildings in Washington, D.C. References Explanatory notes a. The United States Census Bureau officially began referring to the census-designated place of Tysons Corner as Tysons in Summer 2016. The name Tysons was first unofficially adopted in 2012 by the Tysons Partnership, a nonprofit association of area businesses and stakeholders. b. An asterisk (*) indicates that the building is still under construction, but has been topped out. Citations Further reading External links Tysons Development Activity Buildings and structures in Fairfax County, Virginia Tallest in Tysons Tysons Skyscrapers in Virginia Tysons, Virginia