News & Media Recent Posts New Study Finds OOH Amplifies All Major Media More than 90% October 22, 2019 Out of home displays boost National Geographic’s Photo Ark campaign December 11, 2017 Porter Advertising Acquires Tom Raper Billboard Assets September 12, 2017 Porter expands coverage in Northwestern Ohio February 17, 2016 MOBILE APP ENGAGES VISITORS AND INCREASES VALUE TO SPONSORS February 10, 2016 Local Billboard Company shares land with community garden initiative July 31, 2015 Campaigns can often find a second life online July 7, 2015 Share this:TwitterFacebookLinkedInEmail