Omnicom Group Inc. (NYSE: OMC) 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. As a strategic holding company, Omnicom manages a portfolio of global market leaders comprised of three global advertising agency networks, BBDO, DDB and TBWA; numerous leading national advertising agencies; a global network of more than 175 marketing services companies; and a media group, Omnicom Media Group, that includes two of the world's premier providers of media planning and buying services.