Company lists · Data refreshed September 2026

Top 25 Customer retention call centers based in the United States

RevenueBase identified 356 company matches for customer retention call centers associated with the United States as of September 2026 and 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 company matches for customer retention call centers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 1, 2026 How this list was built
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 company matches for customer retention call centers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDallas, TX, United States1,001-5,0003,125 contacts →

Exact match

“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2Exact matchAkron, OH, United States1,001-5,0001,773 contacts →

Exact match

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchDoral, FL, United States1,001-5,000905 contacts →

Exact match

“Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4Exact matchHorsham, PA, United States501-1,000892 contacts →

Exact match

“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchWaterloo, IA, United States1,001-5,000838 contacts →

Exact match

“CBE Companies is the parent organization of CBE Customer Solutions and CBE Group.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
6Exact matchSaint Charles, MO, United States501-1,000632 contacts →

Exact match

“Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
7Exact matchYuma, AZ, United States501-1,000542 contacts →

Exact match

“We are customer service experts.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8Exact matchColumbus, OH, United States1,001-5,000513 contacts →

Exact match

“ContactUs Communications is a U.S.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9Exact matchBristol, CT, United States1,001-5,000511 contacts →

Exact match

“American Customer Care specializes in providing individualized contact with your customers.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10Exact matchWest Monroe, LA, United States501-1,000508 contacts →

Exact match

“Coast is a top-performing call center services company that specializes in onshore omni-channel solutions, accounts receivable management, and back-office functions for public and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United States1,001-5,000452 contacts →

Exact match

“SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention |…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12Exact matchBurnsville, MN, United States1,001-5,000353 contacts →

Exact match

“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchLehi, UT, United States501-1,000254 contacts →

Exact match

“Boomsourcing (A Fusion CX Company) is a call center established in 2007.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14Exact matchHorsham, PA, United States10001+233 contacts →

Exact match

“NCO's Customer Fit Solutions are Custom Fit.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
15Exact matchMaryland Heights, MO, United States201-500233 contacts →

Exact match

“Customer Direct, founded in 1997, empowers its clients to make better business decisions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchGreensboro, NC, United States201-500216 contacts →

Exact match

“Schedule your FREE Consultation here: http://bit.ly/2gUckQb Anomaly Squared is a contact center services provider.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchNJ, United States201-500200 contacts →

Exact match

“Ceequence is an ISO 27001 company that operates a 250-seat call center in Chennai, India, with state-of-the-art technology and experienced customer service professionals for…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchJacksonville, FL, United States501-1,000191 contacts →

Exact match

“With nine call centers located in America, El Salvador, Nicaragua, the Dominican Republic and the Philippines, Bernard works with some of America's largest companies to provide…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchGreeley, CO, United States201-500182 contacts →

Exact match

“Signia aims to provide marketing services to targeted business environments in the US.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchKansas City, MO, United States201-500181 contacts →

Exact match

“MySource is a trusted leader in delivering Call Center and Business Process Outsourcing (BPO) solutions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchSpringfield, MO, United States201-500178 contacts →

Exact match

“Gold Mountain Communications is a US-based live operator inbound/outbound call center and service agency helping leading national corporations outsource their customer service and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchPort St Lucie, FL, United States201-500157 contacts →

Exact match

“iVox Solutions is a leader in the contact center industry.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23Exact matchClaremont, CA, United States201-500137 contacts →

Exact match

“Balboa Digital Provides Trusted, Compliant, Effective Call Center Services Get to know Balboa Digital - Our experience, expertise, and innovative call technology, set us apart.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchTrevose, PA, United States1,001-5,000134 contacts →

Exact match

“Founded in Platinum Advertising is a direct marketing firm that specializes in customer service, customer retention and customer acquisition.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25Exact matchMontgomery, AL, United States201-500109 contacts →

Exact match

“ASK is an inbound customer care center located in Montgomery, AL.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase

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

See the full list, filter by size, metro and specialty, and access 1,780 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 1, 2026
7.5%Verified-email coverage
23.9%Mobile-number coverage
67.0Average contacts per company
51-200Median size (employees)
3.1%Largest-city concentration · Houston
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
53
11-50
99
51-200
102
201-500
55
501-1,000
20
1,001-5,000
21
10001+
3

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “customer retention call centers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 1,780 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “customer retention call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer retention call centers are there based in the United States?

RevenueBase identified 356 company matches for customer retention call centers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Telvista tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most customer retention call centers?

Houston leads with 11 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 1,780 professional contacts with verified work emails tracked across these 356 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.