Hertz

Hertz is the largest car rental company in the world.

Hertz was taken private in December 2005 by Clayton Dubilier & Rice, Carlyle and Merrill Lynch PE.

Sources:
https://www.hertz.com/rentacar/abouthertz/index.jsp?targetPage=aboutHertzHistoryView.jsp&leftNavUserSelection=globNav_7_1_5