Lamar Advertising is the nation’s leading out-of-home advertising company. We specialize in out-of-home advertising and prov...ide solutions for our customers in the form of Billboards, Digital, Transit and Highway Logo Signs. Founded in 1902, Baton Rouge-based Lamar has a broad corporate reach with over 200 locations across the United States, Canada and Puerto Rico. In addition, Lamar has 28...