List of Telephone Call Centers Companies
Selling into Telephone Call Centers? Here are its companies, biggest first, including InspiriTec, Inc., Gevekom GmbH and TELETECH INTERNATIONAL. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
617
$50M - $100M
515
$1M - $10M
383
$25M - $50M
311
$25M - $50M
250
$25M - $50M
232
<$1M
193
$50M - $100M
175
$1M - $10M
162
$1M - $10M
112
$25M - $50M
104
$1M - $10M
92
$50M - $100M
87
$1M - $10M
82
$1M - $10M
77
<$1M
75
$1M - $10M
65
$1M - $10M
51
$1M - $10M
49
$1M - $10M
48
$1M - $10M
41
$10M - $25M
27
<$1M
20
$1M - $10M
20
$25M - $50M
18
$10M - $25M
14
$1M - $10M
7
$1M - $10M
4
<$1M
4
$10M - $25M
1
About Telephone Call Centers companies
Which Telephone Call Centers companies are listed?
Telephone Call Centers companies of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include InspiriTec, Inc., Gevekom GmbH and TELETECH INTERNATIONAL. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.
What technologies do Telephone Call Centers companies use?
The tools most often found in the tech stacks of Telephone Call Centers companies include WordPress, Microsoft 365, Amazon Web Services, HubSpot, Shopify and Google Workspace. Useful if you integrate with, complement or compete with one of them.
How do I reach decision makers at Telephone Call Centers companies?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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