Provides profiles of 5,000 AM radio stations, 9,500 FM radio stations, and 2,100 television stations in the United States. A station's call letters, frequency or channel, address, telephone, fax, e-mail, Internet address, ownership, and programming format are all provided. Additionally, more than 1,100 Canadian radio and television stations are profiled, along with more than 5,000 industry service providers from law firms to engineers to industry associations, and more.