The term 'Big Name in Rental Cars' can be summarized by the crossword solution 'ALAMO'. ALAMO is a car rental company that was founded in 1974 and is now owned by Enterprise Holdings. It is one of the largest car rental companies in the world, with over 1, 000 locations in the United States, Canada, Europe, Latin America, the Caribbean, Asia-Pacific, Africa, and Australia. ALAMO is known for its customer service and competitive rates, making it a popular choice for travelers.