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Company lists · Data verified August 2026

Top 25 Contact center software companies based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 749 companies tracked

There are 749 contact center software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 49,496 professional contacts across them, including 7,723 with verified work emails and 11,136 with mobile numbers. Atlanta is the largest hub.

This list covers contact center software companies 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.

749Companies
49,496Contacts tracked
7,723Verified emails
11,136Mobile numbers
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The 25 largest contact center software companies based in the United States

Ranked by team size
Top 25 of 749 contact center software companies 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
1VerintChicago, IL5,001-10,0003,8322,312
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
6DialamericaMahwah, NJ1,001-5,0001,53750
7Senture, LLCLondon1,001-5,0001,477198
8AnswernetHorsham, PA501-1,000892148
9Aspect SoftwareBoulder, CO1,001-5,000877180
10Focus ServicesRoy, UT1,001-5,00079363
11The Call Center DoctorsHouston, TX501-1,0005575
12Global Contact Services GCSYuma, AZ501-1,0005429
13Contactus CommunicationsColumbus, OH1,001-5,00051335
14American Customer CareBristol, CT1,001-5,00051140
15Global ResponseMargate, FL1,001-5,00048933
16Ansafone Contact CentersOcala, FL501-1,00042970
17The Connection Contact CenterBurnsville, MN1,001-5,0003536
18Five Star Call CentersSioux Falls, SD1,001-5,00031261
19Kana SoftwareSanta Clara, CA501-1,00030623
20ExpertcallersPrinceton, NJ501-1,0002659
21Rocket ConnectionsDetroit, MI1,001-5,00024821
22Mass MarketsWest Des Moines, IA501-1,00023516
23InceptCanton, OH501-1,00020031
24American SupportJacksonville, FL501-1,0001913
25LivevoxSan Francisco, CA501-1,00018888

Showing 25 of 749 contact center software companies based in the United States

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Contact center software companies based in the United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
AtlantaLargest hub · 22 HQs
11,136Contacts with mobile numbers
9Emails re-verified in last 30 days

Companies by employee count

1-10
170
11-50
251
51-200
168
201-500
71
501-1,000
45
1,001-5,000
33
5,001-10,000
7
10001+
3

Contact center software companies by metro

MetroCompanies
Contact center software companies in Atlanta22
Contact center software companies in Miami19
Contact center software companies in New York16
Contact center software companies in Houston13
Contact center software companies in San Francisco12
Contact center software companies in Phoenix12
Contact center software companies in San Diego11

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 center software companies”, 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; 9 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 center software companies are there based in the United States?

There are 749 contact center software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Verint, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most contact center software companies?

Atlanta leads with 22 headquartered companies, followed by Miami (19) and New York (16).

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 7,723 verified decision-maker contacts tracked across these 749 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 center software companies 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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