NBC

NBC (an abbreviation of its former and historical name, the National Broadcasting Company) is an American commercial broadcast television network, serving as the flagship property of NBC Entertainment, a division of NBCUniversal, which is a subsidiary of Comcast. It is one of NBCUniversal's two flagship subsidiaries, alongside Universal Studios. It is the first and oldest major broadcast network in the United States. NBC's headquarters are located in New York City at Rockefeller Center's Comcast Building, the network's longtime home. The network's predecessor parent companies were integral to the center's construction. NBC also notably has offices at the NBC Tower in Chicago, Illinois, and at 10 Universal City Plaza in Los Angeles, California.