Founded in 1902, Lamar Advertising Company is one of the largest outdoor advertising companies in the United States. It operates more than 150 outdoor advertising companies in over 40 U.S. states and Puerto Rico. The company provides outdoor advertising services through ordinary and digital billboards, bulletins, posters, bus shelters, benches and highway logo signs. Lamar Advertising Company installs logo signs that advertise nearby gas, food, camping, lodging and other attractions. It also operates more than 28,500 transit advertising displays nationwide. Lamar Advertising Company additionally sells advertising space on the exterior and interior of public transportation vehicles. It also owns and operates Lamar Graphics and is headquartered in Baton Rouge, Va.