Company lists · Data verified August 2026

Top 25 Call center software companies based in the United States

Name: Call center software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 581 companies tracked

There are 581 call center software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 25,034 professional contacts across them, including 5,605 with verified work emails and 6,391 with mobile numbers. Atlanta is the largest hub.

This list covers call 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.

581Companies

25,034Contacts tracked

5,605Verified emails

6,391Mobile numbers

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The 25 largest call center software companies based in the United States

Ranked by team size

Top 25 of 581 call 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Verint	Chicago, IL	5,001-10,000	3,832	2,312
2	Inktel Contact Center Solutions	Doral, FL	1,001-5,000	905	113
3	Answernet	Horsham, PA	501-1,000	892	148
4	Aspect Software	Boulder, CO	1,001-5,000	877	180
5	The Call Center Doctors	Houston, TX	501-1,000	557	5
6	Eleveo	Franklin, TN	201-500	518	114
7	American Customer Care	Bristol, CT	1,001-5,000	511	40
8	Ansafone Contact Centers	Ocala, FL	501-1,000	429	70
9	The Connection Contact Center	Burnsville, MN	1,001-5,000	353	6
10	Five Star Call Centers	Sioux Falls, SD	1,001-5,000	312	61
11	Kana Software	Santa Clara, CA	501-1,000	306	23
12	Inconcert	Miami, FL	201-500	262	49
13	Convoso	Los Angeles, CA	201-500	246	120
14	Mass Markets	West Des Moines, IA	501-1,000	235	16
15	Anomaly Squared	Greensboro, NC	201-500	216	20
16	American Support	Jacksonville, FL	501-1,000	191	3
17	Livevox	San Francisco, CA	501-1,000	188	88
18	Signia	Greeley, CO	201-500	182	3
19	Gold Mountain Communications	Springfield, MO	201-500	178	1
20	Callsexperts	New York	501-1,000	170	1
21	Ivox Solutions	Port St Lucie, FL	201-500	157	2
22	Customer Elation	Minneapolis, MN	501-1,000	143	3
23	Vcloud	Las Vegas	501-1,000	137	54
24	Balboa Digital	Claremont, CA	201-500	137	18
25	Noble Systems	Atlanta, GA	501-1,000	132	20

Showing 25 of 581 call center software companies based in the United States

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

As of Aug 28, 2026

11-50Median size (employees)

AtlantaLargest hub · 19 HQs

6,391Contacts with mobile numbers

17Emails re-verified in last 30 days

Companies by employee count

1-10

135

11-50

201

51-200

133

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Call center software companies by metro

Metro	Companies
Call center software companies in Atlanta	19
Call center software companies in Houston	14
Call center software companies in San Francisco	12
Call center software companies in San Diego	11
Call center software companies in New York	11
Call center software companies in Miami	11
Call center software companies in Phoenix	9

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 “call 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; 17 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 call center software companies are there based in the United States?

There are 581 call 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 call center software companies?

Atlanta leads with 19 headquartered companies, followed by Houston (14) and San Francisco (12).

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 5,605 verified decision-maker contacts tracked across these 581 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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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.