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Arc Worldwide offers a variety of marketing services to such big clients as Procter and Gamble, United Airlines, and McDonald's.
Omnicom Group Inc. is a leading global advertising and marketing communications services company. Omnicom's branded networks and numerous specialty firms provide advertising, strategic media planning and buying, digital and interactive marketing, direct and promotional marketing, public relations and other specialty communications services to more than 5,000 clients in more than 100 countries.
Omnicom Health Group is the largest healthcare marketing and communications group in the world. With more than 3,200 talented specialists dedicated exclusively to health, we have the expertise, insight, creativity, and scale to engage customers across the entire healthcare ecosystem. And create meaningful change through better, more innovative communications.
Colangelo Synergy Marketing is one of the leading companies in the Business Services sector.