Company lists · Data refreshed September 2026

Top 25 Call center platform providers based in the United States

RevenueBase identified 901 company matches for call center platform providers associated with the United States as of September 2026 and tracks 75,485 professional contacts across them, including 15,079 with verified work emails. Miami is the largest hub.

This list covers company matches for call center platform providers 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 27, 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 27, 2026 How this list was built
901Companies
75,485Contacts tracked
15,079Verified emails
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The 25 largest call center platform providers based in the United States

Ranked by team size
Top 25 of 901 company matches for call center platform providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchBelmont, CA, United StatesHQ recorded Sep 27, 20265,001-10,0006,431 contacts →

Exact match

“RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchBloomington, IL, United StatesHQ recorded Sep 27, 202610001+5,553 contacts →

Exact match

“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Sep 27, 20265,001-10,0004,342 contacts →

Exact match

“With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchDallas, TX, United StatesHQ recorded Sep 27, 20261,001-5,0003,122 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 27, 2026 · View company records in RevenueBase
5Exact matchBerwyn, PA, United StatesHQ recorded Sep 27, 20265,001-10,0002,774 contacts →

Exact match

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSan Ramon, CA, United StatesHQ recorded Sep 27, 20261,001-5,0002,584 contacts →

Exact match

“Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchCampbell, CA, United StatesHQ recorded Sep 27, 20261,001-5,0002,444 contacts →

Exact match

“8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026n/a2,026 contacts →

Exact match

“Human-Led, Tech-Powered Customer Service For over 25 years, Liveops has redefined customer support by combining technology with real human connection.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchAkron, OH, United StatesHQ recorded Sep 27, 20261,001-5,0001,764 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 27, 2026 · View company records in RevenueBase
10Exact matchBoca Raton, FL, United StatesHQ recorded Sep 27, 20265,001-10,0001,741 contacts →

Exact match

“Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchWaco, TX, United StatesHQ recorded Sep 27, 20265,001-10,0001,710 contacts →

Exact match

“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchMahwah, NJ, United StatesHQ recorded Sep 27, 20261,001-5,0001,536 contacts →

Exact match

“DialAmerica is now Aucera.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchDoral, FL, United StatesHQ recorded Sep 27, 20261,001-5,000902 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 27, 2026 · View company records in RevenueBase
14Exact matchHorsham, PA, United StatesHQ recorded Sep 27, 2026501-1,000883 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 27, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026501-1,000804 contacts →

Exact match

“The collaborative, AI-powered platform for customer conversations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchRoy, UT, United StatesHQ recorded Sep 27, 20261,001-5,000792 contacts →

Exact match

“Focus was founded in 1995.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchSandy, UT, United StatesHQ recorded Sep 27, 20261,001-5,000708 contacts →

Exact match

“ClearSource at its core is a customer experience company.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 27, 202651-200567 contacts →

Exact match

“Call Center Studio is an AI-powered, cloud-based contact center software that redefines how businesses engage with their customers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026501-1,000561 contacts →

Exact match

“We build fully managed call centers: Software build outs Hiring Training Integrations”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchSalisbury, NC, United StatesHQ recorded Sep 27, 2026501-1,000542 contacts →

Exact match

“We are customer service experts.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchBristol, CT, United StatesHQ recorded Sep 27, 20261,001-5,000513 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchMargate, FL, United StatesHQ recorded Sep 27, 20261,001-5,000487 contacts →

Exact match

“Global Response is The Brand Contact Center.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchOrlando, FL, United StatesHQ recorded Sep 27, 2026501-1,000479 contacts →

Exact match

“Activus Connect is a premium provider of Customer Experience Outsourced Solutions, operating across the Continental US & Puerto Rico.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 20261,001-5,000478 contacts →

Exact match

“Alvaria CX, the global leader in contact center solutions, emerged from the 2021 merger of Noble Systems and Aspect, bringing over 50 years of CX innovation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchCedar Rapids, IA, United StatesHQ recorded Sep 27, 20261,001-5,000458 contacts →

Exact match

“TLCx is a next-generation CX transformation partner - tech-powered, human-first, and outcomes-driven.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 901 call center platform providers based in the United States

See the full list, filter by size, metro and specialty, and access 15,079 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Call center platform providers based in the United States at a glance

As of Sep 27, 2026
20.0%Verified-email coverage
83.8Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · Miami
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
198
11-50
309
51-200
229
201-500
75
501-1,000
41
1,001-5,000
34
5,001-10,000
10
10001+
5

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 901 companies.

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 “call center platform providers” 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 15,079 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 27, 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 “call center platform providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many call center platform providers are there based in the United States?

RevenueBase identified 901 company matches for call center platform providers 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?

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

Which city has the most call center platform providers?

Miami leads with 29 company records, followed by Atlanta (23) and New York (19).

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 15,079 professional contacts with verified work emails tracked across these 901 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 27, 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.