Company lists · Data refreshed November 2026

Top 25 Pbx phone system manufacturers worldwide

RevenueBase identified 538 company matches for pbx phone system manufacturers worldwide as of November 2026 and tracks 4,836 professional contacts across them, including 695 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for pbx phone system manufacturers 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 pbx phone system manufacturers 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
538Companies
4,836Contacts tracked
695Verified emails
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The 25 largest pbx phone system manufacturers worldwide

Ranked by team size
Top 25 of 538 company matches for pbx phone system manufacturers 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 matchPune, IndiaHQ recorded Nov 6, 2026201-500307 contacts →

Exact match

“Syntel is the Telecom Division of Arvind Limited, a flagship company of the INR 50 billion Lalbhai Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOsasco, BrazilHQ recorded Nov 6, 2026201-500286 contacts →

Exact match

“A Handphone Telecomunicações é uma indústria, fabricante de equipamentos para Telecomunicações, tais como sistemas PABX de pequeno, médio e grande porte, sistemas Call Center's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchSanta Rita Do Sapucaí, BrazilHQ recorded Nov 6, 202651-200140 contacts →

Exact match

“Somos uma empresa brasileira especializada no desenvolvimento de soluções integradas em telecomunicações para corporações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“Bharti Enterprise has a 96 per cent stake in Beetel Teletech Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIsraelHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“ITS Telecom is a leading company with 14 years of experience and an expanding global network of committed distributors and OEM partners that reaches more than 45 countries with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBerlin, GermanyHQ recorded Nov 6, 2026201-50076 contacts →

Exact match

“About Snom Technology GmbH Founded in 1997 and headquartered in Berlin Germany, Snom is a German multinational corporation and the world’s first and leading brand of professional…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-50076 contacts →

Exact match

“Coral Telecom Limited is the largest designer, manufacturer & telecom solution provider in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCinisello Balsamo, ItalyHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Dal 1982 un punto di riferimento nel mondo delle telecomunicazioni.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZenica, Bosnia and HerzegovinaHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Bicom Systems is an international software telecommunication company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMukilteo, WA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Teo designs, manufactures and sells superior quality telecommunications solutions, made in the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPetrópolis, BrazilHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“RedT is a Rio de Janeiro based company commited to develop and deploy communication solutions mainly using VoIP solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFairfield, NJ, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“We specialize in delivering digital telecommunication technologies to service providers around the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchIndiaHQ recorded Nov 6, 202651-20041 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRibeirão Preto, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Produtos de última geração dos mais renomados fornecedores da área.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMacclesfield, United KingdomHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBielefeld, GermanyHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Einfach perfekt kommunizieren!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIsraelHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“WiseCom Communication SolutionsWiseCom is a leading Telecommunications Solutions Provider, positioned to serve the needs of the rapidly growing telecommunications industry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBrooklyn, United StatesHQ recorded Nov 6, 2026201-50027 contacts →

Exact match

“In today’s fast-paced business world, effective communication is critical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Headquartered in Rochester, N.Y, Allworx is an award-winning maker of VoIP communication systems for SMBs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Cortelco offers an broad and expanding line of commercial IP and analog telephone products, as well as IP access control and paging solutions for a wide range of businesses and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTlemcen, AlgeriaHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Créée le 3 mars 2001 suite à la restructuration organique de l’entreprise-mère (ENTC).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5024 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 538 pbx phone system manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 695 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pbx phone system manufacturers worldwide at a glance

As of Nov 6, 2026
14.4%Verified-email coverage
9.0Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
243
11-50
209
51-200
61
201-500
12
501-1,000
1
1,001-5,000
1
10001+
1

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 pbx phone system manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “pbx phone system manufacturers” 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 695 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.

Pbx phone system manufacturers by location

4 lists · largest first

Every Pbx phone system manufacturers 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 “pbx phone system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pbx phone system manufacturers are there worldwide?

RevenueBase identified 538 company matches for pbx phone system manufacturers 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?

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

Which country has the most pbx phone system manufacturers?

The United States leads with 106 companies, followed by Brazil (56) and India (36). Every pbx phone system manufacturers list by country and city is linked on this page.

Which city has the most pbx phone system manufacturers?

Sao Paulo leads with 12 company records, followed by Shenzhen (6) and Bangalore (5).

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 695 professional contacts with verified work emails tracked across these 538 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.