Lamar Advertising Companies is a service provider of transit advertising, highway logo signs and billboards. It currently has operations in more than 150 advertising companies outdoor in over 40 states and Puerto Rico. It has more than 70 transit franchises across Puerto Rico, United States and Canada maintaining digital signs, billboards as well as advertisements on bus stops, benches and buses. It is also the leading service provider of highway signs in North America which has operations in 19 states and provinces of Canada and Ontario. Lamar Advertising Companies is the largest in the industry in Puerto Rico and United States since 1999.