Booz Allen Hamilton Holding Corporation is the parent of Booz Allen Hamilton Inc., an American government and military contractor, specializing in intelligence. It is headquartered in McLean, Virginia, in Greater Washington, D.C., with 80 other offices around the globe. The company's stated core business is to provide consulting, analysis and engineering services to public and private sector organizations and nonprofits.

Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, spanning from the corner of SR 123 and SR 7. It is part of the Washington metropolitan area and located in Northern Virginia between McLean and Vienna along the I-495.