Enterprise Rent-A-Car now buys more new automobiles in the United States than any other company or organization. Today, Enterprise Rent-A-Car's fleet of 600,000 vehicles represents 3.6 percent of the total number of cars and light trucks built and/or sold in the U.S. in 2000. In December 2000, Enterprise Rent-A-Car reached 600,000 vehicles in service, including 500,000 rental and 100,000 fleet services (leased) vehicles. Responding to customer demand, Enterprise grew its combined rental car and fleet services operations by more than 81,000 automobiles in the past year. In 1986, Enterprise’s operations comprised 30,000 rental and 20,000 fleet services vehicles in service. Within the past year, Enterprise began to expand its operations to serve air travelers and today serves 96 of the top 100 airports in the continental United States.