Clear Channel Outdoor Holdings owns, sells, and operates advertising displays throughout the world, working across both America and Europe. Its range of display types includes bulletins, posters, transit displays, spectaculars, and wallscape, with additional services including street furniture equipment and cleaning services, public bike rental programs, and production services. The company was founded in 1901 and is headquartered in San Antonio, Texas, operating approximately 69,000 advertising displays in the Americas and 430,000 in Europe as of December 31, 2021.