Hertz Rival is a term used to refer to the three major car rental companies that compete with Hertz: DOLLAR, ALAMO, and Avis. DOLLAR is a car rental company founded in 1965 and headquartered in Estero, Florida. ALAMO is a car rental company founded in 1974 and headquartered in Clayton, Missouri. Avis is a car rental company founded in 1946 and headquartered in Parsippany, New Jersey. All three companies offer competitive rates and services to customers looking for car rentals.