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Company lists · Data verified August 2026

Top 25 Contact centers based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,883 companies tracked

There are 1,883 contact centers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 109,020 professional contacts across them, including 12,395 with verified work emails and 20,951 with mobile numbers. New York is the largest hub.

This list covers contact centers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,883Companies
109,020Contacts tracked
12,395Verified emails
20,951Mobile numbers
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The 25 largest contact centers based in the United States

Ranked by team size
Top 25 of 1,883 contact centers based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1TTECRockleigh, NJ10001+26,4763,561
2TelvistaDallas, TX1,001-5,0003,12539
3Advanced Call Center Technologies, LLCJohnson City, TN5,001-10,0002,779282
4CAT Technologies ArgentinaMiami, FL1,001-5,0002,211323
5Infocision Management CorporationAkron, OH1,001-5,0001,773146
6SupportninjaAustin, TX1,001-5,0001,695547
7PerceptaMelbourne, FL1,001-5,0001,591329
8DialamericaMahwah, NJ1,001-5,0001,53750
9RDI CorporationCincinnati, OH1,001-5,0001,51238
10Senture, LLCLondon1,001-5,0001,477198
11Valor GlobalScottsdale, AZ1,001-5,0001,04472
12MCILas Cruces, NM5,001-10,00097452
13Inktel Contact Center SolutionsDoral, FL1,001-5,000905113
14CBE CompaniesWaterloo, IA1,001-5,000838117
15Focus ServicesRoy, UT1,001-5,00079363
16Contactus CommunicationsColumbus, OH1,001-5,00051335
17American Customer CareBristol, CT1,001-5,00051140
18Global ResponseMargate, FL1,001-5,00048933
19TLCXCedar Rapids, IA1,001-5,00045761
20SupportzebraHouston, TX1,001-5,00045299
21TSD GlobalEvansville, IN1,001-5,00042119
22CentrisLongview, TX1,001-5,00036525
23The Connection Contact CenterBurnsville, MN1,001-5,0003536
24Five Star Call CentersSioux Falls, SD1,001-5,00031261
25Rocket ConnectionsDetroit, MI1,001-5,00024821

Showing 25 of 1,883 contact centers based in the United States

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Contact centers based in the United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
New YorkLargest hub · 51 HQs
20,951Contacts with mobile numbers
14Emails re-verified in last 30 days

Companies by employee count

1-10
480
11-50
606
51-200
436
201-500
186
501-1,000
84
1,001-5,000
65
5,001-10,000
10
10001+
9

Contact centers by metro

MetroCompanies
Contact centers in New York51
Contact centers in Miami49
Contact centers in Houston38
Contact centers in Atlanta36
Contact centers in Los Angeles32
Contact centers in Austin31
Contact centers in Chicago27

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “contact centers”, with match quality audited by blind human judging, and headquartered in the United States.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Contact records re-verify on a rolling cadence; 14 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many contact centers are there based in the United States?

There are 1,883 contact centers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

TTEC, headquartered in Rockleigh, tops this list with the largest team on record.

Which city has the most contact centers?

New York leads with 51 headquartered companies, followed by Miami (49) and Houston (38).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 12,395 verified decision-maker contacts tracked across these 1,883 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Related lists

Browse: Companies home · All United States lists · All Contact centers lists · New lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.

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