Clear Channel Communications (NYSE: CCU) is a meia conglomerate company based in the United States. Clear Channel, founded in 1972 by Lowry Mays and Red McCombs, wields considerable influence in radio broadcasting, concert promotion and hosting, and fixed advertising in the United States through its subsidiaries. Clear Channel is the largest owner of full-power AM, FM, and shortwave radio stations and twelve radio channels on XM Satellite Radio, and is also the largest media company that focuses only on radio. The group previously was in the television business until it sold all of its TV stations to Newport Television in 2008. The present head of the company is Mark Mays, and its headquarters is located in San Antonio, Texas.