The following is a list of notable call centre companies:
| Company | Founded | Employees | Revenue | Locations |
|---|---|---|---|---|
| Atento | 1999 | 154,000 | ||
| Concentrix | 1983 | 290,000+[3] | US$5.3 billion (2020) | |
| Conduent | 2017 | 31,000 (2021) | US$4.140 billion (2021) [3] | 22 countries [1] (2021) |
| Contact Centre Cymru | 2005 | |||
| Convergys Corporation | ||||
| Datacom Group | 1965 | 6,973 (2022) [4] | NZ$1.45 billion (2,022) [1] | 23 |
| DialAmerica | 1957 | 5,000 [1] | ||
| Firstsource | 2001 | 27000+ [4] | ₹50,780 million (US$640 million) [3]: 8 | |
| Focus Services | ||||
| Genpact | ||||
| Hinduja Global Solutions | ||||
| InfoCision Management Corporation | ||||
| iQor | ||||
| Minacs | ||||
| NCO Group | ||||
| Qualfon | ||||
| Sitel | ||||
| Sykes Enterprises | ||||
| SupportYourApp | 2010 | 1,200 | ||
| SupportSave | ||||
| Tech Mahindra | ||||
| Teleperformance | ||||
| TeleTech | ||||
| Televerde | ||||
| TELUS International | ||||
| Transcom WorldWide | ||||
| WNS Global Services | ||||
| Webhelp | ||||
| Wipro Ltd | ||||
| Whistl |