NEW YORK, Feb. 25, 2020 /PRNewswire/ -- Omnicom Media Group agency OMD Worldwide had the best net new business performance of any global media network in 2019 as reported today by COMvergence ...
NEW YORK, March 21, 2025 /PRNewswire/ -- In the latest edition of the Network Diagnostics report from RECMA (Research Company Evaluating the Media Agency Industry), Omnicom Media Group agency OMD ...
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