National Car Rental
|Founded||August 27, 1947|
|Headquarters||Clayton, Missouri, United States|
National Car Rental is a rental car company based in Clayton, Missouri. National was founded by 24 independent rental car agents on August 27, 1947. It has grown from 60 locations in the United States in 1947 to over 2000 locations worldwide as of 2005.
In 1996, National acquired the Canadian fleet and operations of Tilden Rent-a-Car.
Emerald Club 
|This section does not cite any references or sources. (February 2010)|
In 1987, National launched the Emerald Club, the car rental industry's first membership-based, frequent-renter program aimed at speeding up transactions for business and leisure travellers. Emerald Club membership has four tiers: Emerald Club (EC), Emerald Club Executive (CE), Executive Elite (EE), and Executive VIP, where the higher tiers are reserved for those who rent most frequently from National. Members have the ability to earn credits each time they rent that can be used to earn free rental days.
At some US locations, members bypass the rental counter and proceed directly to the rental lot, where they can choose their own car. Emerald Club members who reserve a mid-size car are directed to the Emerald Aisle, where they are allowed to choose any designated car, all at the mid-size rate reserved. Executive and Executive Elite members are directed to the Executive Selection lot, where they can choose from full-size or higher class cars for the price of a mid-size rate, mirroring the same standard Emerald Club policies.