Car Rental U.S.
 

• Alamo

• Avis Car Rental.

• Budget

• Dollar

• Enterprise

• Hertz Corporation. Comment: If you are using computer security software that doesn't allow Web sites to install unwanted cookies on your computer, you won't be able to access the Hertz Web site.  This incredibly stupid requirement must cost them millions of dollars a year in lost customers and revenue.

• Hotels.com car rentals. 

• National Car Rental.

• Rent-A-Wreck
• Thrifty