Omnicom Group (NYSE: OMC) is a holding company whose agencies provide marketing and communications services in the disciplines of advertising, customer relationship management (CRM), strategic media planning and buying, digital and interactive marketing, direct and promotional marketing, public relations (PR) and other specialty communications. Omnicom’s agency networks include BBDO, DDB Worldwide, TBWA Worldwide, Diversified Agency Services (DAS) and Omnicom Media Group (OMG). Its public relations, CRM and specialty communications agencies are managed by its DAS network and include the CRM businesess of Javelin, Proximity Worldwide, Rapp and Targetbase; the PR agency businesses Brodeur Worldwide, Fleishman-Hillard, G+ Europe, Ketchum Inc., Pleon and Porter Novelli and retail/promotional businesses such as Alcone Marketing Group. Omnicom Media Group includes OMD Worldwide, PHD Worldwide and Resolution Media. Omnicom was formed in 1986 from the merger between advertising agency networks DDB, Needham Harper Steers and BBDO.