OMG agencies PHD and OMD Leverage Agency as a Platform Model to Earn #1 and #2 Ranking Among Global Media Networks NEW YORK, Sept. 24, 2024 /PRNewswire/ -- Omnicom Media Group (OMG), the media services division of Omnicom (NYSE: OMC) and parent company to the OMD, PHD and Hearts & Science global media agency networks, had the best total new business record (wins minus losses, including retentions) among global media management groups for the first half of 2024. View PDFOmnicom Media Group had the best H1 to ...