Auto Escape
   Worldwide reservation center, for any country. No online booking.
   http://autoescape.com

Auto Europe
   Provides car rentals, flight tickets, hotels, and specialty cars. Offers prices in a number of currencies. Cellphone hire available to US residents.
   http://www.autoeurope.com/

BreezeNet
   Online booking of discount rentals at major airports, worldwide.
   http://www.bnm.com/

Car Rental Express
   Offers online rentals from independent agencies in many world cities and airport locations.
   http://www.carrentalexpress.com/

CarRentals.com
   Offers worldwide service from several suppliers' inventories.
   http://www.carrentals.com/

Holiday Cars Direct.com
   Providing rentals multiple countries including USA, Spain, UK, Portugal, France and Italy. Online booking available.
   http://www.holidaycarsdirect.com

Ofran Holiday Autos
   Broker, providing vehicles at many locations worldwide, providing information on destinations and an online reservation system.
   http://www.ofran.com/

Pinpoint Travel - Car Rental
   Find discount car rentals from multiple sites.
   http://www.pinpointtravel.com/home?tab=cars

RentalCar.com
   Worldwide reservations. No online booking.
   http://www.rentalcar.com.au/

Skycars
   All-inclusive online car hire for the USA, Europe and Australia.
   https://www.skycars.com/

Transhire World Wide
   Offers car rentals worldwide.
   http://www.transhire.com/

U.S. Rent A Car
   Car hire consolidator offering fully inclusive USA car rental services to UK and European tourists.
   http://www.usrentacar.co.uk