The latest news and top stories on CBS. A leading entity in the media and broadcasting sector, New York City based CBS is a major American commercial broadcasting company. It operates the CBS national television network, alongside interests in publishing, cable television and television production. Primarily serving audiences and advertisers across the United States and key international markets, CBS is renowned as one of the traditional "Big Three" American television networks. Its overall business focus centres on delivering diverse content and maintaining a broad distribution network.