Interpublic group of companies (IPG) is one of the four largest advertising groups in the world (the other three are WPP group, Hongmeng group and Publicis group). It is a company listed on the New York Stock Exchange (NYSE: IPG). IPG advertising company was founded in 1902, headquartered in New York, USA, and owns FCB Boda bridge advertising, Wanbo Xuanwei public relations and other companies.