Lamar Advertising Company is one of the largest outdoor advertising companies in the United States based on number of displays and has operated under the Lamar name since 1902. The company manages its business through three operating segments: billboard, logo and transit advertising. It rents space for advertising on billboards, buses, shelters, benches, logo plates, and in airport terminals, offering a fully integrated service that covers ad copy production, placement, and maintenance.

Lamar Advertising Company generates revenue by leasing advertising space on its outdoor display networks and providing related services such as ad copy production, installation, and ongoing maintenance to advertisers seeking outdoor exposure.

The company operates through the following segments: billboard, logo and transit advertising.

• Billboard: Lamar Advertising Company owned and operated approximately 159,300 billboard advertising displays in 45 states and Canada as of December 31, 2025, renting most space on bulletins and posters and also operating approximately 5,500 digital billboard advertising displays in 43 states and Canada.

• Logo: The company rents advertising space on logo signs located near highway exits to promote nearby gas, food, camping, lodging, and other attractions, and as the largest provider of logo signs in the United States it operates 24 of the 28 privatized state logo sign contracts with over 144,400 logo sign advertising displays in 24 states and Ontario, Canada as of December 31, 2025.

• Transit: Lamar Advertising Company rents advertising space on the exterior and interior of public transportation vehicles, in airport terminals, and on transit shelters and benches in over 80 markets, operating approximately 40,600 transit advertising displays in 23 states and Canada as of December 31, 2025.

Lamar Advertising Company holds a leading position in the outdoor advertising industry due to its extensive network of displays and its status as the largest provider of logo signs, giving it competitive scale and reach compared to other players.

The company serves a diverse range of advertisers including local, regional, and national businesses across sectors such as hospitality, retail, entertainment, and automotive that seek to reach consumers through outdoor channels.