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Agency Spotter on Twitter: "50 Largest Marketing Companies in the World https://t.co/JaFDh19ilm https://t.co/fUlQbyNNfs" / Twitter
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Report Ranks OMD as Top Media Agency in U.S. and Worldwide by Billings, Market Share
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BE Agency Reckoner 2017- 2018: Top 10 media agencies, Marketing & Advertising News, ET BrandEquity
Top marketers, brands and agencies, ranked—The Big List | Ad Age Data News
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New Business: WPP and Mediacom top R3 Worldwide's November creative and media agency rankings - adobo Magazine Online
COMvergence: Global New Business Barometer for H1 2020 Reveals Top Media Agency Winners - GroupM
Intelligence: R3's February 2020 New Business Reveals Top 10 Creative and Media Agencies in APAC — VMLY&R and Zenith Take Top Spots - adobo Magazine Online
Report Ranks OMD as Top Media Agency in U.S. and Worldwide by Billings, Market Share
Structure of the Advertising Industry by kris kristoferson on Prezi Next
Media agencies suffer as recession bites | Campaign US
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