Interpublic Group of Companies is an advertising and marketing services company. Co.'s segment include: Integrated Agency Networks (IAN) and Constituency Management Group (CMG). Within IAN, Co.'s agencies provide an array of communications and marketing services, each providing a range of solutions for its clients. In addition, Co.'s domestic integrated agencies provide a range of advertising, marketing communications services and/or marketing services and partner with its operating divisions as needed. CMG provides clients with services, including public relations, meeting and event production, sports and entertainment marketing, corporate and brand identity, and marketing consulting.