Company lists · Data refreshed November 2026

Top 25 Voip system integrators worldwide

RevenueBase identified 3,535 company matches for voip system integrators worldwide as of November 2026 and tracks 33,531 professional contacts across them, including 8,278 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for voip system integrators 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 voip system integrators 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
3,535Companies
33,531Contacts tracked
8,278Verified emails
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The 25 largest voip system integrators worldwide

Ranked by team size
Top 25 of 3,535 company matches for voip system integrators 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 matchBangalore, IndiaHQ recorded Nov 6, 2026201-500688 contacts →

Exact match

“We @ VIS Networks (Voice Infrastructure Services) believe in the future of technology services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000418 contacts →

Exact match

“VoIP/ToIP services Operator and Integrator Telephony solutions for small and medium-sized enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVeghel, NetherlandsHQ recorded Nov 6, 202651-200418 contacts →

Exact match

“IT & UC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchTacoma, WA, United StatesHQ recorded Nov 6, 2026201-500392 contacts →

Exact match

“With three decades of expertise in the enterprise communications space, Continuant stands out as a seasoned Managed Services Provider, Systems Integrator, and Technology…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBratislava, SlovakiaHQ recorded Nov 6, 2026501-1,000373 contacts →

Exact match

“One of the leading systems integrators in the European market today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact matchEagan, MN, United StatesHQ recorded Nov 6, 2026501-1,000261 contacts →

Exact match

“As the leading global integrator of business communication solutions and services since 1993, NACR has been a trusted advisor to more than 40% of the Fortune 100 companies…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMarkham, OK, CanadaHQ recorded Nov 6, 20261,001-5,000187 contacts →

Exact match

“At AVI-SPL, we go beyond technology; we empower the human experience at work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEdgewood, NY, United StatesHQ recorded Nov 6, 202651-200184 contacts →

Exact match

“Established in 1988, Forerunner Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“Zultys is a premier provider of omnichannel, Unified Communications, hosted business phone services and premise-based communications systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNicosia, CyprusHQ recorded Nov 6, 202651-200162 contacts →

Exact match

“3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSlidell, LA, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“In-Telecom offers a full spectrum of solutions such as VoIP phones, access control, unparalleled customer service, IT consulting, and quality workmanship from our experienced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“IT Voice specializes in Managed IT and VoIP solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500146 contacts →

Exact match

“For over 25 years, Cypress Communications has been helping small-to-medium enterprises (SMEs) connect, communicate, collaborate and continue® with a range of fully hosted and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“Unifiedvoice is a globally recognized VoIP service and solutions provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSignal Hill, CA, United StatesHQ recorded Nov 6, 202611-50143 contacts →

Exact match

“Transcom Telecommunications (formerly called "Transcom Services") is a Veteran Owned Business founded in 1986 on 3 core ideas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“Founded in 1987, Estech Systems (ESI), a Crexendo® company, delivers high-performance phone systems designed for growing businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmherst, NY, United StatesHQ recorded Nov 6, 202611-50112 contacts →

Exact match

“We Solve Problems and Create Solutions with VoIP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWilmington, United StatesHQ recorded Nov 6, 202611-50112 contacts →

Exact match

“KOL Telecom is the leading innovator of small business Voice over IP (VoIP) Phone services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMorristown, NJ, United StatesHQ recorded Nov 6, 202611-50110 contacts →

Exact match

“TeleCloud delivers modern Unified Communications, VoIP, and AI-powered communication solutions, paired with the personal, local service businesses deserve.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“We’re Resurgent, and we create productive collaborative experiences for you with our interactive environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United StatesHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Made for businesses of all sizes, Bicom Systems revolutionizes communications by providing PBXware, the world's most unified turnkey open standards hosted telephony platform, plus…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSindelfingen, GermanyHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“innovaphone has been playing a decisive role in driving the development of IP telephony and digital transformation for more than 25 years now and is a leading European provider of…”

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

Showing 25 of 3,535 voip system integrators worldwide

See the full list, filter by size, metro and specialty, and access 8,278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voip system integrators worldwide at a glance

As of Nov 6, 2026
24.7%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,758
11-50
1,400
51-200
282
201-500
34
501-1,000
13
1,001-5,000
11
5,001-10,000
1
10001+
2

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 voip system integrators are linked below.
What qualifies
Company records worldwide whose business descriptions match “voip system integrators” 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 8,278 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.

Voip system integrators by location

17 lists · largest first

Every Voip system integrators 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 “voip system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voip system integrators are there worldwide?

RevenueBase identified 3,535 company matches for voip system integrators 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?

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

Which country has the most voip system integrators?

The United States leads with 1,178 companies, followed by the United Kingdom (297) and Canada (134). Every voip system integrators list by country and city is linked on this page.

Which city has the most voip system integrators?

London leads with 52 company records, followed by New York (46) and Sao Paulo (35).

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 8,278 professional contacts with verified work emails tracked across these 3,535 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.