Lamar Advertising is an outdoor advertising company which operates billboards, logo signs, and transit displays in the United States and Canada. The company was founded in 1902 by Charles W. Lamar and J.M. Coe, and is headquartered in Baton Rouge, Louisiana. The company has over 200 locations in the United States and Canada. They have reportedly more than 325,000 displays across the USA. Lamar Advertising Company became a real estate investment trust in 2014.