Vanguard Automotive Group is a company based in
Tulsa, Oklahoma. Vanguard purchased
ANC Rental, owner of
National Car Rental and
Alamo Rent A Car. The company has a fleet of nearly 300,000 vehicles, mainly from
Ford and
Chrysler, and operates over 1,500 locations. In 2007 Enterprise agreed to purchase a controlling share in the company from
Cerberus Capital Management. A sale to rival
Enterprise Rent-A-Car was completed on Aug 1, 2007, making the combined Enterprise-Alamo-National the largest US car rental operation, ahead of The
Hertz Corporation, and rival
Avis Budget Group.