This company leaves few open channels on the radio dial. Clear Channel Communications is the #1 radio company in the US, with more than 850 stations that reach more than 90 million people. Its Premier Radio Networks produces syndicated radio content for more than 5,000 stations. Clear Channel also sells spot advertising for about 4,000 radio stations and nearly 400 TV stations through Katz Media. In addition to radio, the company owns a 90% stake in Clear Channel Outdoor Holdings, one of the world's largest outdoor advertising companies with more than 900,000 display locations worldwide. The company is owned by CC Media Holdings, an investment group led by Thomas H. Lee Partners and Bain Capital.