Company lists · Data refreshed October 2026
Top 25 Call center software as a service companies based in the United States
RevenueBase identified 603 company matches for call center software as a service companies associated with the United States as of October 2026 and tracks 46,507 professional contacts across them, including 11,712 with verified work emails. New York is the largest hub.
This list covers company matches for call center software as a service companies 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 October 19, 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.
The 25 largest call center software as a service companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,655 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 3,352 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 2,997 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 2,764 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 2,493 contacts → | ||||
Exact match “8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 1,813 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 926 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 855 contacts → | ||||
Exact match “The collaborative, AI-powered platform for customer conversations.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 847 contacts → | ||||
Exact match “Focus was founded in 1995.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 615 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 600 contacts → | ||||
Exact match “We are customer service experts.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 557 contacts → | ||||
Exact match “American Customer Care specializes in providing individualized contact with your customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 518 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 488 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 455 contacts → | ||||
Exact match “We build fully managed call centers: Software build outs Hiring Training Integrations” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 452 contacts → | ||||
Exact match “About : Ansafone is the leading outsourced contact center solution provider for companies in the US and Canada and maintains international alliances for global reach.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 412 contacts → | ||||
Exact match “Lifesize delivers immersive communication experiences for the global enterprise.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 407 contacts → | ||||
Exact match “iPacesetters” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 393 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 321 contacts → | ||||
Exact match “OutPLEX is a leading international digital and voice customer contact management services organization developing solutions for the world's most trusted brands.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 318 contacts → | ||||
Exact match “KANA understands the value of great Customer Service experiences.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 303 contacts → | ||||
Exact match “UJET is the Experience Center: a cloud-native platform that replaces the fragmented contact center stack.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 282 contacts → | ||||
Exact match “Broadvoice makes it easy for companies to connect with their customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 279 contacts → | ||||
Exact match “Genesys acquired Interactive Intelligence in December 2016.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 273 contacts → | ||||
Exact match “Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “call center software as a service companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 603 call center software as a service companies based in the United States
See the full list, filter by size, metro and specialty, and access 11,712 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Call center software as a service companies based in the United States at a glance
As of Oct 19, 2026Companies by employee count
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 603 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 software as a service companies” 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 11,712 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 October 19, 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 software as a service companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many call center software as a service companies are there based in the United States?
RevenueBase identified 603 company matches for call center software as a service companies associated with the United States as of October 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 software as a service companies?
New York leads with 19 company records, followed by Atlanta (18) and Miami (15).
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 11,712 professional contacts with verified work emails tracked across these 603 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 603 call center software as a service companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Call center software as a service companies by geography
- Call center software as a service companies based in Sao Paulo, Brazil
- Call center software as a service companies based in London, United Kingdom
- Call center software as a service companies based in Australia
- Call center software as a service companies based in Brazil
- Call center software as a service companies based in Canada
- Call center software as a service companies based in Egypt
- Call center software as a service companies based in France
- Call center software as a service companies based in Germany
- Call center software as a service companies based in India
- Call center software as a service companies based in Israel
- Call center software as a service companies based in Italy
- Call center software as a service companies based in Mexico
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Call center software as a service companies based in Sao Paulo, Brazil
- Call center software as a service companies based in London, United Kingdom
- Call center software as a service companies based in Australia
- Call center software as a service companies based in Brazil
- Call center software as a service companies based in Canada
- Call center software as a service companies based in Egypt
Company intelligence · public preview
Top 25 call center software as a service companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 603 matching company records for call center software as a service companies based in the United States, with 46,507 tracked contacts and 11,712 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 call center software as a service companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Ringcentralringcentral.comHQ: Belmont, CA, United StatesReported employees: 5,001-10,000 | Belmont, CA, United States | 5,001-10,000 | Exact match | 6,655 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Telvistatelvista.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,352 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Advanced Call Center Technologies, LLCacttoday.comHQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,997 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Five9five9.comHQ: San Ramon, CA, United StatesReported employees: 1,001-5,000 | San Ramon, CA, United States | 1,001-5,000 | Exact match | 2,764 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  8x88x8.comHQ: Campbell, CA, United StatesReported employees: 1,001-5,000 | Campbell, CA, United States | 1,001-5,000 | Exact match | 2,493 contacts → |
“8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Km2 Solutionskm2solutions.comHQ: Boca Raton, FL, United StatesReported employees: 5,001-10,000 | Boca Raton, FL, United States | 5,001-10,000 | Exact match | 1,813 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Answernetanswernet.comHQ: Horsham, PA, United StatesReported employees: 501-1,000 | Horsham, PA, United States | 501-1,000 | Exact match | 926 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Aircallaircall.laHQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 855 contacts → |
“The collaborative, AI-powered platform for customer conversations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Focus Servicesfocusservices.comHQ: Roy, UT, United StatesReported employees: 1,001-5,000 | Roy, UT, United States | 1,001-5,000 | Exact match | 847 contacts → |
“Focus was founded in 1995.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Call Center Studiocallcenterstudio.comHQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 615 contacts → |
“Call Center Studio is an AI-powered, cloud-based contact center software that redefines how businesses engage with their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Global Contact Services GCSgcsagents.comHQ: Salisbury, NC, United StatesReported employees: 501-1,000 | Salisbury, NC, United States | 501-1,000 | Exact match | 600 contacts → |
“We are customer service experts.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  American Customer Careamericancustomercare.comHQ: Bristol, CT, United StatesReported employees: 1,001-5,000 | Bristol, CT, United States | 1,001-5,000 | Exact match | 557 contacts → |
“American Customer Care specializes in providing individualized contact with your customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Activus Connectactivusconnect.comHQ: Orlando, FL, United StatesReported employees: 501-1,000 | Orlando, FL, United States | 501-1,000 | Exact match | 518 contacts → |
“Activus Connect is a premium provider of Customer Experience Outsourced Solutions, operating across the Continental US & Puerto Rico.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Alvaria CXalvaria.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 488 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  The Call Center Doctorsccdocs.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 455 contacts → |
“We build fully managed call centers: Software build outs Hiring Training Integrations” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ansafone Contact Centersansafone.comHQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 452 contacts → |
“About : Ansafone is the leading outsourced contact center solution provider for companies in the US and Canada and maintains international alliances for global reach.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Serenovaserenova.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 412 contacts → |
“Lifesize delivers immersive communication experiences for the global enterprise.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ipacesetters, LLCavantivesolutions.comHQ: Tulsa, United StatesReported employees: Not recorded | Tulsa, United States | Not recorded | Exact match | 407 contacts → |
“iPacesetters” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  The Connection Contact Centertheconnectioncc.comHQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 393 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Outplexoutplex.comHQ: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 321 contacts → |
“OutPLEX is a leading international digital and voice customer contact management services organization developing solutions for the world's most trusted brands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kana Softwarekana.comHQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 318 contacts → |
“KANA understands the value of great Customer Service experiences.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ujet.cxujet.cxHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 303 contacts → |
“UJET is the Experience Center: a cloud-native platform that replaces the fragmented contact center stack.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Broadvoicebroadvoice.comHQ: Northridge, CA, United StatesReported employees: 51-200 | Northridge, CA, United States | 51-200 | Exact match | 282 contacts → |
“Broadvoice makes it easy for companies to connect with their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Genesys Interactive Intelligencegenesys.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 279 contacts → |
“Genesys acquired Interactive Intelligence in December 2016.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ultatelultatel.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 273 contacts → |
“Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 603 company matches
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Call center software as a service companies: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
603 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 603 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for call center software as a service companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many call center software as a service companies did RevenueBase find based in the United States?
The saved snapshot records 603 matching company records, 46,507 tracked contacts and 11,712 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Call center software as a service companies by geography
- Call center software as a service companies based in Sao Paulo, Brazil
- Call center software as a service companies based in London, United Kingdom
- Call center software as a service companies based in Australia
- Call center software as a service companies based in Brazil
- Call center software as a service companies based in Canada
- Call center software as a service companies based in Egypt
- Call center software as a service companies based in France
- Call center software as a service companies based in Germany
- Call center software as a service companies based in India
- Call center software as a service companies based in Israel
- Call center software as a service companies based in Italy
- Call center software as a service companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 call center software as a service companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/call-center-software-as-a-service-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Call center software as a service companies based in Sao Paulo, Brazil
- Call center software as a service companies based in London, United Kingdom
- Call center software as a service companies based in Australia
- Call center software as a service companies based in Brazil
- Call center software as a service companies based in Canada
- Call center software as a service companies based in Egypt
Company intelligence · public preview
Top 25 call center software as a service companies based in the United States
RevenueBase records 603 matching company records for call center software as a service companies based in the United States, with 46,507 tracked contacts and 11,712 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 call center software as a service companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Ringcentralringcentral.com HQ: Belmont, CA, United StatesReported employees: 5,001-10,000 | Belmont, CA, United States | 5,001-10,000 | Exact match | 6,655 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Telvistatelvista.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,352 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Advanced Call Center Technologies, LLCacttoday.com HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,997 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Five9five9.com HQ: San Ramon, CA, United StatesReported employees: 1,001-5,000 | San Ramon, CA, United States | 1,001-5,000 | Exact match | 2,764 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 8x88x8.com HQ: Campbell, CA, United StatesReported employees: 1,001-5,000 | Campbell, CA, United States | 1,001-5,000 | Exact match | 2,493 contacts → |
“8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Km2 Solutionskm2solutions.com HQ: Boca Raton, FL, United StatesReported employees: 5,001-10,000 | Boca Raton, FL, United States | 5,001-10,000 | Exact match | 1,813 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Answernetanswernet.com HQ: Horsham, PA, United StatesReported employees: 501-1,000 | Horsham, PA, United States | 501-1,000 | Exact match | 926 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aircallaircall.la HQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 855 contacts → |
“The collaborative, AI-powered platform for customer conversations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Focus Servicesfocusservices.com HQ: Roy, UT, United StatesReported employees: 1,001-5,000 | Roy, UT, United States | 1,001-5,000 | Exact match | 847 contacts → |
“Focus was founded in 1995.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Call Center Studiocallcenterstudio.com HQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 615 contacts → |
“Call Center Studio is an AI-powered, cloud-based contact center software that redefines how businesses engage with their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Global Contact Services GCSgcsagents.com HQ: Salisbury, NC, United StatesReported employees: 501-1,000 | Salisbury, NC, United States | 501-1,000 | Exact match | 600 contacts → |
“We are customer service experts.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | American Customer Careamericancustomercare.com HQ: Bristol, CT, United StatesReported employees: 1,001-5,000 | Bristol, CT, United States | 1,001-5,000 | Exact match | 557 contacts → |
“American Customer Care specializes in providing individualized contact with your customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Activus Connectactivusconnect.com HQ: Orlando, FL, United StatesReported employees: 501-1,000 | Orlando, FL, United States | 501-1,000 | Exact match | 518 contacts → |
“Activus Connect is a premium provider of Customer Experience Outsourced Solutions, operating across the Continental US & Puerto Rico.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Alvaria CXalvaria.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 488 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Call Center Doctorsccdocs.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 455 contacts → |
“We build fully managed call centers: Software build outs Hiring Training Integrations” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ansafone Contact Centersansafone.com HQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 452 contacts → |
“About : Ansafone is the leading outsourced contact center solution provider for companies in the US and Canada and maintains international alliances for global reach.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Serenovaserenova.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 412 contacts → |
“Lifesize delivers immersive communication experiences for the global enterprise.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ipacesetters, LLCavantivesolutions.com HQ: Tulsa, United StatesReported employees: Not recorded | Tulsa, United States | Not recorded | Exact match | 407 contacts → |
“iPacesetters” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Connection Contact Centertheconnectioncc.com HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 393 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Outplexoutplex.com HQ: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 321 contacts → |
“OutPLEX is a leading international digital and voice customer contact management services organization developing solutions for the world's most trusted brands.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kana Softwarekana.com HQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 318 contacts → |
“KANA understands the value of great Customer Service experiences.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ujet.cxujet.cx HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 303 contacts → |
“UJET is the Experience Center: a cloud-native platform that replaces the fragmented contact center stack.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Broadvoicebroadvoice.com HQ: Northridge, CA, United StatesReported employees: 51-200 | Northridge, CA, United States | 51-200 | Exact match | 282 contacts → |
“Broadvoice makes it easy for companies to connect with their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Genesys Interactive Intelligencegenesys.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 279 contacts → |
“Genesys acquired Interactive Intelligence in December 2016.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ultatelultatel.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 273 contacts → |
“Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Call center software as a service companies: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
603 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 603 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for call center software as a service companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many call center software as a service companies did RevenueBase find based in the United States?
The saved snapshot records 603 matching company records, 46,507 tracked contacts and 11,712 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Call center software as a service companies by geography
- Call center software as a service companies based in Sao Paulo, Brazil
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- Call center software as a service companies based in Brazil
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- Call center software as a service companies based in India
- Call center software as a service companies based in Israel
- Call center software as a service companies based in Italy
- Call center software as a service companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 call center software as a service companies based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/call-center-software-as-a-service-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Call center software as a service companies based in Sao Paulo, Brazil
- Call center software as a service companies based in London, United Kingdom
- Call center software as a service companies based in Australia
- Call center software as a service companies based in Brazil
- Call center software as a service companies based in Canada
- Call center software as a service companies based in Egypt