🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsРусскийفارسی日本語CompanyQ1739857· pop 5· linked from 142 articlesKetchum Inc.large public relations agency within Omnicom GroupConnectionsOmnicom GroupCompanyPittsburghEntityCategories1923 establishments in PennsylvaniaCompanies based in New York CityMass media companies established in 1923Public relations companies of the United States