Lamar Advertising Co. engages in advertising services. The company is headquartered in Baton Rouge, Louisiana and currently employs 3,500 full-time employees. The firm rents space for advertising on billboards, buses, shelters, benches, logo plates and in airport terminals. The firm operates three types of outdoor advertising displays: billboards, logo signs and transit advertising displays. The firm owns and operates approximately 160,200 billboard advertising displays in 45 states and Canada. The company rents its advertising space on two types of billboards: bulletins and posters. In addition to traditional billboards, it also rents space for digital billboards, which are generally located on traffic arteries and city streets. The company owns and operates approximately 4,500 digital billboard advertising displays in 43 states and Canada. The company also provides logo signs in the United States, operating approximately 23 of the 26 privatized state logo sign contracts. The company also operates approximately 139,000 logo sign advertising displays in 23 states and the province of Ontario, Canada.