Interpublic Group of Companies is an advertising and marketing services company. The company's segment include: Integrated Agency Networks (IAN) and Constituency Management Group (CMG). Within IAN, the company's agencies provide an array of communications and marketing services, each providing a range of solutions for its clients. In addition, the company'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.

Omnicom Group is a holding company, engaged in providing advertising, marketing and corporate communications services. The company's networks and agencies provide a range of services in the following fundamental disciplines: advertising, customer relationship management, public relations and healthcare. The company's Service offerings include, among others, advertising, branding, content marketing, corporate social responsibility consulting, crisis communications, custom publishing, data analytics, database management, digital/direct marketing, digital transformation, entertainment marketing, experiential marketing, field marketing, financial/corporate business-to-business advertising, and imaging.