The Interpublic Group of Companies, Inc. is one of the world's largest advertising holding companies. It provides a comprehensive range of services, including traditional advertising, digital marketin... The Interpublic Group of Companies, Inc. is one of the world's largest advertising holding companies. It provides a comprehensive range of services, including traditional advertising, digital marketing, and public relations. These services are delivered globally, with significant operations across over 100 countries. The company plays a crucial role in supporting businesses and brands across various sectors by offering strategic marketing solutions. Notably, a significant portion of its revenue is generated from the U.S., with additional substantial contributions from the U.K. and Europe. As a major player in the communication services industry, The Interpublic Group of Companies, Inc. is recognized for its extensive network and diverse portfolio of marketing services.