Company that rents automobiles at a certain charge for a particular period of time is known as car rental agency. These agencies are primarily located in busy city areas or near airports. The cars can be rented also through online reservations. These agencies cater to people traveling out of town. Car rental agencies rent out vans, trucks, motorcycles or even scooters. These agencies offer extra products such as global positioning systems, entertainment systems, navigation systems, insurance and at times mobiles phones.