The leading car rental firms in this market are Hertz (with a 26% market share), Avis (19%), National (12%), Enterprise (10%), Budget (10%), and Alamo (9%). The airport rental car market is one segment of the overall market and represents about half of the total U.S. car rental market.

Geographic reference: United States
Year: 2009
Market size: $10 billion
Source: “Hertz Investor Marketing,” February 10, 2010
Original source: Euromonitor