of 78,000 seats were removed from Chicagoland, Darlington, Kansas, Martinsville, Michigan, Phoenix, and Richmond. Today Today, the company owns 13 active tracks which collectively hold 18 of the 36 events on the schedule of NASCAR's premier competition, the NASCAR Cup Series. Twelve of the thirteen host a Sprint Cup race (the thirteenth being Route 66 Raceway, a dragstrip). In addition to the stock car racing that NASCAR is famous for, ISC tracks also host IndyCar Series races, USCC, Grand-Am, IMSA GT and SCCA sports car races, WKA go-kart races and AMA motorcycle races. Besides NASCAR, other stock car series like IROC and ARCA use their tracks. The company's other holdings include the Motor Racing Network, a radio network that broadcasts NASCAR events, and Americrown, a food service business that operates concession stands at its tracks. In 2005, ISC partnered with Speedway Motorsports, Inc. to form Motorsports Authentics, a company that markets and distributes NASCAR-related souvenirs and collectibles. Until May 20, 2019, ISC was a separate company from NASCAR, but controlled by the France family. About 35% of the stock in ISC was owned by the heirs of NASCAR founder Bill France and the remainder traded on the stock market. Lesa Kennedy is CEO and Jim France is Chairman. On May 20, 2019, it was announced that NASCAR would acquire ISC and take it private. The sale was completed on October 21, 2019. ISC is still headquartered in Daytona Beach, Florida near Daytona International Speedway. ISC is working on a new development called ONE DAYTONA that will feature anchor tenants Bass Pro Shops, Cobb (CMX) Theatres and a Marriott Autograph Collection hotel. ISC tracks Former/inactive ISC tracks Lists the year the company gained a controlling interest (>50%) in the track. ISC ceased operations at Nazareth Speedway in 2004 and the track is currently up for sale. ISC sold North Carolina Speedway to Speedway Motorsports as part of a settlement in the Ferko lawsuit, who subsequently auctioned the track to former racer Andy Hillenburg. Hillenburg renamed the track Rockingham Speedway and is planning to hold several stock car events there in an attempt to revive the track. ISC shut down Pikes Peak International Raceway shortly after purchasing it, with NASCAR moving the track's Busch Series date to Martinsville. In 2008, the track was sold to a private company, Pikes Peak International Raceway, LLC. ISC sold Tucson Raceway Park to David Deery, the