Clear Channel Communications was a major American media company known for its extensive portfolio of radio stations and outdoor advertising. Founded in 1972, it became one of the largest radio broadcasters in the United States, operating hundreds of stations across the country. The company was later rebranded as iHeartMedia in 2014, reflecting its focus on digital media and entertainment. In addition to radio, Clear Channel was heavily involved in outdoor advertising, managing billboards and transit advertising in various markets. The company played a significant role in shaping the media landscape, influencing how advertising and content were delivered to audiences nationwide.