Emerald Club is a service of National Car Rental. It was introduced in the year 1987. The service facilitates the leisure travelers and businesses to make the transaction system simple and easy. To access the Emerald Club services, it is necessary to gain membership and the information regarding credit card and driver license is registered during membership, which helps to find the rental car easily. National Car Rental commenced operations in August 1947. It is a subsidiary of Enterprise Holdings, a holding company owned by an American businessman Jack C. Taylor. In the year 2011, the company was honored with the Leading Edge Award by Executive Travel magazine. National Car Rental is headquartered in Clayton, Missouri, United States. The postal and official address, email address and phone number (helpline) of Emerald Club service center is given above. The helpline of Emerald Club service center may or may not be toll free.