Company lists · Data refreshed November 2026

Top 25 Conference calling system providers worldwide

RevenueBase identified 578 company matches for conference calling system providers worldwide as of November 2026 and tracks 21,873 professional contacts across them, including 5,302 with verified work emails. The United States is the largest market and Austin the largest hub.

This list covers company matches for conference calling system providers worldwide, 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 November 6, 2026. Country and city lists for conference calling system providers follow the table.

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 Nov 6, 2026 How this list was built
578Companies
21,873Contacts tracked
5,302Verified emails
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The 25 largest conference calling system providers worldwide

Ranked by team size
Top 25 of 578 company matches for conference calling system providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSan Jose, United StatesHQ recorded Nov 6, 20265,001-10,00010,391 contacts →

Exact match

“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom AI-first work platform you know and love.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,954 contacts →

Exact match

“Plantronics and Polycom are now Poly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchXiamen, ChinaHQ recorded Nov 6, 20261,001-5,000829 contacts →

Exact match

“Yealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications and collaboration solutions with best-in-class quality, innovative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500433 contacts →

Exact match

“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAustin, United StatesHQ recorded Nov 6, 2026201-500430 contacts →

Exact match

“Lifesize delivers immersive communication experiences for the global enterprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026501-1,000266 contacts →

Exact match

“Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCape Canaveral, FL, United StatesHQ recorded Nov 6, 2026n/a210 contacts →

Exact match

“Since 1987, Hello Direct has helped small and medium-sized businesses (SMBs) find the right audio and video solutions to stay connected and productive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMonroeville, PA, United StatesHQ recorded Nov 6, 2026201-500176 contacts →

Exact match

“Compunetix is a leading electronic manufacturer in the Pittsburgh area with specialized product divisions delivering world-class solution for remote conferencing, collaboration…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20265,001-10,000167 contacts →

Exact match

“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom platform you know and love.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“ClearOne is a global market leader enabling conferencing, collaboration, and network streaming solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchClichy, FranceHQ recorded Nov 6, 2026501-1,000146 contacts →

Exact match

“Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMonroeville, PA, United StatesHQ recorded Nov 6, 2026201-500128 contacts →

Exact match

“Chorus Call Inc, headquartered in Pittsburgh with offices worldwide, delivers 30+ years of event management expertise-operator-assisted conference calls, webcasts, AV support and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“Founded and run by professionals who had pioneered the rollout of large-scale B2B video conferencing (VC) services in their previous roles, VCnow is a brand with a leading edge in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDallas, United StatesHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“DMS supply and integrate video conferencing solutions that help businesses worldwide communicate simply and effectively.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBelgiumHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“Televic Conference develops and manufactures audio conference solutions for town councils, regional councils, parliaments, corporate boardrooms and rental.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSharjah, United Arab EmiratesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Al Zubair Group helps customers with latest technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChennai, IndiaHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Door Sabha Nigam Limited (DSNL) is India’s largest Independent Integrated Conferencing provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMalmö, SwedenHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“AVS are experts in all types of online meetings and video conferencing solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNY, United StatesHQ recorded Nov 6, 2026201-50077 contacts →

Exact match

“Streamlined Communications is a leading provider of Audio Conferencing, Collaboration, Webcasting, Virtual Events & Streaming Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBromma, SwedenHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“STV har en vision att alla våra kunder ska ha problemfria möten!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHamamatsu, JapanHQ recorded Nov 6, 2026n/a71 contacts →

Exact match

“Audio and video conferencing solutions from Yamaha Corporation streamline collaboration and boost productivity wherever people work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Phoenix-based iLinc Communications, Inc, a subsidiary of BroadSoft, Inc.(NASDAQ: BSFT), provides advanced web conferencing services for businesses, governments, and educational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLille, FranceHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“With its full range of interactive screens, videoconferencing solutions and collaborative software, Speechi is today the national leader in its field.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJapanHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“We provide a SaaS based visual communications platform for web conferencing and web broadcasting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNantes, FranceHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Cap-visio assemble, installe et met en œuvre des solutions de réunion à distance et de communication multi-sites : LE spécialiste français de la visioconférence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 578 conference calling system providers worldwide

See the full list, filter by size, metro and specialty, and access 5,302 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Conference calling system providers worldwide at a glance

As of Nov 6, 2026
24.2%Verified-email coverage
37.8Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
204
11-50
241
51-200
79
201-500
29
501-1,000
9
1,001-5,000
6
5,001-10,000
3
10001+
4

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for conference calling system providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “conference calling system 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. 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 5,302 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 November 6, 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.

Conference calling system providers by location

2 lists · largest first

Every Conference calling system providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “conference calling system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many conference calling system providers are there worldwide?

RevenueBase identified 578 company matches for conference calling system providers worldwide as of November 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?

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

Which country has the most conference calling system providers?

The United States leads with 168 companies, followed by the United Kingdom (37). Every conference calling system providers list by country and city is linked on this page.

Which city has the most conference calling system providers?

Austin leads with 7 company records, followed by London (6) and New York (6).

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 5,302 professional contacts with verified work emails tracked across these 578 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 November 6, 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.