This document provides an overview of doing business in Fairfax County, Virginia. It highlights the key advantages such as access to major markets along the East Coast within a day's drive, a productive workforce, proximity to universities and R&D centers, and assistance from the Fairfax County Economic Development Authority. The document also discusses the major industries and business opportunities in sectors like IT, aerospace, defense, and homeland security. It provides information on taxes, real estate, workforce, education, and quality of life to help businesses decide to locate in Fairfax County.