__NOTOC__ The following is a list of notable call centre companies: +CompanyFoundedEmployeesRevenueLocations Atento 1999 154,000 Concentrix 1983 290,000+ US$5.3 billion (2020) Conduent 2017 31,000 (2021) US$4.140 billion (2021) 22 countries (2021) Contact Centre Cymru 2005 Convergys Corporation Datacom Group 1965 6,973 (2022) NZ$1.45 billion (2,022) 23 DialAmerica 1957 5,000 Firstsource 2001 27000+ ₹50,780 million (US$640 million): 8 Focus Services Genpact Hinduja Global Solutions InfoCision Management Corporation iQor Minacs NCO Group Qualfon Sitel Sykes Enterprises SupportSave Tech Mahindra Teleperformance TeleTech Televerde TELUS International Transcom WorldWide WNS Global Services Webhelp Wipro Ltd Whistl
References