The Interpublic Group of Companies

advertising company that consists of five major networks: FCB, IPG Mediabrands, McCann Worldgroup, MullenLowe Group, and Marketing Specialists, as well as a number of independent specialty agencies

The Interpublic Group of Companies is an American publicly traded advertising company. It was founded in 1930. It consists of five major networks: FCB, IPG Mediabrands, McCann Worldgroup, MullenLowe Group and Marketing Specialists, as well as several independent specialty agencies in the areas of public relations, sports marketing, talent representation and healthcare. It is one of the "Big Four" agency companies, alongside WPP, Publicis and Omnicom.