International Speedway Corporation, together with its subsidiaries, promotes motorsports themed entertainment activities in the United States. Its motorsports themed event operations consist principally of racing events at its motorsports entertainment facilities, which promote approximately 100 stock car, open wheel, sports car, truck, motorcycle, and other racing events. The company is also involved in food and beverage concession operations; the provision of catering services in suites and chalets; and the creation of motorsports-related programming content carried on radio stations, as well as Sirius XM Radio, a national satellite radio service. In addition, it uses its motorsports entertainment facilities for testing for teams, driving schools, riding experiences, car shows, auto fairs, concerts, and music festivals, as well as settings for television commercials, print advertisements, and motion pictures. Further, the company engages in souvenir merchandising operations. It owns and/or operates 13 motorsports entertainment facilities with approximately 761,000 grandstand seats and 560 suites. The company was formerly known as Daytona International Speedway Corporation and changed its name to International Speedway Corporation in 1968. International Speedway Corporation was incorporated in 1953 and is based in Daytona Beach, Florida. As of October 18, 2019, International Speedway Corporation operates as a subsidiary of NASCAR Holdings, Inc.