Clear Channel Outdoor Holdings, Inc. operates as an out-of-home advertising company in the United States and Singapore. The company operates in two segments, America and Airports. It provides advertising services through billboards, including bulletins and posters, as well as spectaculars, which are customized display structures with videos, three-dimensional elements and moving parts; street furniture displays, such as advertising surfaces on bus shelters, kiosks, news racks, and other public structures; transit displays in rail stations and on buses, trains, and trams; and wallscapes, as well as advertising solutions to commercial and private airports. The company offers solutions, such as RADARView, an audience and campaign planning tool, which uses historical mobile location data; RADARConnect, a campaign amplification solution that delivers supportive advertisements across mobile and other devices; RADARProof, a campaign measurement and attribution solutions, which analyzes anonymized and/or aggregated data; and RADARSync, a data integration platform designed to enable customized application of the RADAR tools and privacy-compliant sharing of RADAR insights with analytics platforms. The company was formerly known as Eller Media Company and changed its name to Clear Channel Outdoor Holdings, Inc. in August 2005. Clear Channel Outdoor Holdings, Inc. was incorporated in 1995 and is headquartered in San Antonio, Texas.