Founded in 1947, National Car Rental is one of the world s largest rental car companies and serves popular domestic and international travel destinations through a network of more than 2,000 locations in the United States, Canada, Europe, Latin America, the Caribbean, Asia-Pacific, Africa and Australia. In 1966, the company equipped its regional reservation offices with the Telemax computer system, officially becoming the first car rental company to bring computers into daily reservation operations. Its frequent renter program, Emerald Club, offers various travel benefits and unique services. National Car Rental is a wholly owned subsidiary of Vanguard Car Rental USA, a worldwide organization with more than 3,200 locations in approximately 80 countries and a domestic fleet of over 217,000 automobiles. Headquartered in Tulsa, Okla., National Car Rental maintains a presence in San Antonio.