Lamar Advertising Company is an outdoor advertising company in the United States. The Company operates in the advertising segment. The Company sells advertising on billboards, buses, shelters, benches and logo plates. It operates three types of outdoor advertising displays: billboards, logo signs and transit advertising displays. It sells its advertising space on two types of billboards: bulletins and posters. The Company also sells digital billboards, which are located on traffic arteries and city streets. The Company sells advertising space on logo signs located near highway exits. As of December 31, 2012, the Company owned and operated over 144,000 billboard advertising displays in 44 states, Canada and Puerto Rico, over 115,000 logo advertising displays in 22 states and the province of Ontario, Canada, and operated over 34,000 transit advertising displays in 15 states, Canada and Puerto Rico.