Public relations companies

Omnicom is a provider of advertising, marketing, and corporate communications services.

The Interpublic Group of Companies (Interpublic Group, IPG) is a global provider of advertising and marketing services.

Cision is a global provider of software and services to public relations and marketing communications professionals.

WPP is a communications service group that provides marketing and communications solutions.

Publicis Groupe is a company that engages in marketing, communication, and digital business transformation.

Townsquare Media is an entertainment and digital marketing services company, operating digital, radio and live event properties in the U.S.

American Tower (also known as ATC) is a company operating as a real estate investment trust and an owner and operator of wireless and broadcast communications infrastructure solutions.

Middlesex Water is a water utility company, which owns and operates regulated water utility and wastewater systems in New Jersey, Delaware and Pennsylvania.

Dentsu is a multinational media and digital marketing communications company.

American Institutes for Research is a behavioral and social science research and evaluation organizations.

WPP Scangroup is a provider of marketing and communication solutions.

Heritage-Crystal Clean is a provider of parts cleaning, used oil, re-refining, and hazardous and non-hazardous waste services