More than 22,000 car rental businesses are running in the United States. The business is expected to expand in the coming few years as IBISWorld has reported the annual growth rate of 2.4 percent for car rental services. The huge revenue generated by the industry in 2019 also demonstrates people’s interest in renting cars. According to the report, revenue of $45 billion has been generated in 2019. The industry has also proved itself a source of employment for about 148,412 people.