In 2009, the University announced the purchase of another 115 acres from NCR for $18 million, including the former NCR World Headquarters and Old River Park, the former NCR employees' recreation area, extending the campus to 373 acres. The former NCR world headquarters, renamed as the 1700 South Patterson Building, now houses the University of Dayton Research Institute, classrooms, offices, and meeting space. In 2013, the building became the headquarters of the Midmark Corp., a provider of medical, dental, and veterinary healthcare equipment.