Nexstar Media Group is the largest owner of television stations in the United States, currently owning or operating a total of 197 television stations across the United States, many of which are affiliates of the four major U.S. television networks and are located in markets as large as New York City and as small as San Angelo, Texas. It also operates all of the stations owned by affiliated companies, such as Mission Broadcasting, Vaughan Media, and White Knight Broadcasting under local marketing agreements.