Thrifty Car Rental 1.0
the author of this app says:
Thrifty Car Rental allows you to book a car rental reservation from any of Thrifty's top 80 North American locations in only minutes.
Using the application, you can also review or cancel a rental reservation at any time.
If you have a corporate account code, Blue Chip(R) Express Rental account number or special promotional code, you can use them with this application as well.