Company lists · Data verified August 2026

Top 25 Customer retention call centers based in the United States

Name: Customer retention call centers 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 356 companies tracked

There are 356 customer retention call centers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 23,861 professional contacts across them, including 1,780 with verified work emails and 5,712 with mobile numbers. Houston is the largest hub.

This list covers customer retention call 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.

356Companies

23,861Contacts tracked

1,780Verified emails

5,712Mobile numbers

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The 25 largest customer retention call centers based in the United States

Ranked by team size

Top 25 of 356 customer retention call 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Telvista	Dallas, TX	1,001-5,000	3,125	39
2	Infocision Management Corporation	Akron, OH	1,001-5,000	1,773	146
3	Inktel Contact Center Solutions	Doral, FL	1,001-5,000	905	113
4	Answernet	Horsham, PA	501-1,000	892	148
5	CBE Companies	Waterloo, IA	1,001-5,000	838	117
6	Client Services Incorporated	Saint Charles, MO	501-1,000	632	42
7	Global Contact Services GCS	Yuma, AZ	501-1,000	542	9
8	Contactus Communications	Columbus, OH	1,001-5,000	513	35
9	American Customer Care	Bristol, CT	1,001-5,000	511	40
10	Coast Professional, INC	West Monroe, LA	501-1,000	508	98
11	Supportzebra	Houston, TX	1,001-5,000	452	99
12	The Connection Contact Center	Burnsville, MN	1,001-5,000	353	6
13	Boomsourcing	Lehi, UT	501-1,000	254	13
14	NCO Customer Management, INC	Horsham, PA	10001+	233	96
15	Customer Direct	Maryland Heights, MO	201-500	233	14
16	Anomaly Squared	Greensboro, NC	201-500	216	20
17	Ceequence Technologies PVT LTD	NJ	201-500	200	10
18	American Support	Jacksonville, FL	501-1,000	191	3
19	Signia	Greeley, CO	201-500	182	3
20	Mysource	Kansas City, MO	201-500	181	42
21	Gold Mountain Communications	Springfield, MO	201-500	178	1
22	Ivox Solutions	Port St Lucie, FL	201-500	157	2
23	Balboa Digital	Claremont, CA	201-500	137	18
24	Platinum Advertising	Trevose, PA	1,001-5,000	134	1
25	ASK	Montgomery, AL	201-500	109	10

Showing 25 of 356 customer retention call centers based in the United States

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Customer retention call centers based in the United States at a glance

As of Aug 28, 2026

51-200Median size (employees)

HoustonLargest hub · 11 HQs

5,712Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

102

201-500

501-1,000

1,001-5,000

10001+

Customer retention call centers by metro

Metro	Companies
Customer retention call centers in Houston	11
Customer retention call centers in Phoenix	8
Customer retention call centers in San Diego	8
Customer retention call centers in Miami	6
Customer retention call centers in New York	6
Customer retention call centers in Las Vegas	6
Customer retention call centers in Orlando	5

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 “customer retention call 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; 1 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 customer retention call centers are there based in the United States?

There are 356 customer retention call centers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Telvista, headquartered in Dallas, tops this list with the largest team on record.

Which city has the most customer retention call centers?

Houston leads with 11 headquartered companies, followed by Phoenix (8) and San Diego (8).

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 1,780 verified decision-maker contacts tracked across these 356 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.