Company lists · Data refreshed November 2026

Top 25 Network voice services worldwide

RevenueBase identified 4,272 company matches for network voice services worldwide as of November 2026 and tracks 73,100 professional contacts across them, including 17,847 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for network voice services 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 network voice services 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
4,272Companies
73,100Contacts tracked
17,847Verified emails
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The 25 largest network voice services worldwide

Ranked by team size
Top 25 of 4,272 company matches for network voice services 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 matchLittle Rock, AR, United StatesHQ recorded Nov 6, 202610001+7,649 contacts →

Exact match

“Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchStamford, CT, United StatesHQ recorded Nov 6, 202610001+4,135 contacts →

Exact match

“Our story starts with understanding that connectivity powers everything you do, and we make it stronger.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,0002,412 contacts →

Exact match

“As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,0001,601 contacts →

Exact match

“Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,411 contacts →

Exact match

“Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,124 contacts →

Exact match

“XO Communications is a Verizon company that provides the technology that helps business and wholesale customers compete in a hyper-connected economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVancouver, WA, United StatesHQ recorded Nov 6, 2026501-1,0001,123 contacts →

Exact match

“Integra is Allstream.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTehran, IranHQ recorded Nov 6, 2026501-1,000824 contacts →

Exact match

“Data Transmission company of Asiatech (#asiatech) was established in 2003 to provide IT-based services and obtained PAP license from the Communications Regulatory Authority (CRA)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKanata, CanadaHQ recorded Nov 6, 20261,001-5,000717 contacts →

Exact match

“ShoreTel is now part of Mitel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFareham, United KingdomHQ recorded Nov 6, 2026501-1,000715 contacts →

Exact match

“Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 2026501-1,000651 contacts →

Exact match

“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMiguel Hidalgo, MexicoHQ recorded Nov 6, 2026501-1,000533 contacts →

Exact match

“Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMarkham, ON, CanadaHQ recorded Nov 6, 2026201-500475 contacts →

Exact match

“Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) is a global leader in essential business communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchConcord, FL, United StatesHQ recorded Nov 6, 202651-200455 contacts →

Exact match

“NHC is THE communications STACK provider™.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,000447 contacts →

Exact match

“We unleash human momentum with collaboration, connectivity, and communications technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500443 contacts →

Exact match

“Fusion Connect delivers innovative, cloud communications services that transform business infrastructure into a foundation for lasting success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026201-500436 contacts →

Exact match

“Family owned and proudly based in Plano, Texas, SpectrumVoIP has kept businesses talking and thriving since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchLake Mary, FL, United StatesHQ recorded Nov 6, 2026n/a373 contacts →

Exact match

“ACS has over three decades of experience and unparalleled expertise in the assessment and implementation of voice and data platforms and can provide solutions for telephone…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDhaka, BangladeshHQ recorded Nov 6, 2026201-500369 contacts →

Exact match

“AmberIT has come a long way since its establishment in 1997.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTallinn, EstoniaHQ recorded Nov 6, 2026201-500346 contacts →

Exact match

“The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchClichy, FranceHQ recorded Nov 6, 2026201-500327 contacts →

Exact match

“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNew York, PA, United StatesHQ recorded Nov 6, 2026501-1,000323 contacts →

Exact match

“Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202651-200265 contacts →

Exact match

“ACC Business was founded on a simple idea: provide small to mid-sized businesses first-rate telecom services with dedicated customer service, all at a competitive price.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Die Plusnet GmbH, eine Tochtergesellschaft der EnBW, ist ein deutsches Telekommunikationsunternehmen mit Fokus auf Geschäftskunden.”

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

Showing 25 of 4,272 network voice services worldwide

See the full list, filter by size, metro and specialty, and access 17,847 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network voice services worldwide at a glance

As of Nov 6, 2026
24.4%Verified-email coverage
17.1Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,866
11-50
1,789
51-200
429
201-500
83
501-1,000
35
1,001-5,000
21
5,001-10,000
4
10001+
6

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 network voice services are linked below.
What qualifies
Company records worldwide whose business descriptions match “network voice services” 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 17,847 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.

Network voice services by location

23 lists · largest first

Every Network voice services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “network voice services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network voice services are there worldwide?

RevenueBase identified 4,272 company matches for network voice services 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?

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

Which country has the most network voice services?

The United States leads with 1,506 companies, followed by the United Kingdom (489) and Canada (171). Every network voice services list by country and city is linked on this page.

Which city has the most network voice services?

London leads with 113 company records, followed by New York (52) and Sao Paulo (41).

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 17,847 professional contacts with verified work emails tracked across these 4,272 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.