Company lists · Data refreshed November 2026
Top 25 Telephone system vendors worldwide
RevenueBase identified 3,043 company matches for telephone system vendors worldwide as of November 2026 and tracks 29,199 professional contacts across them, including 6,609 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for telephone system vendors 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 telephone system vendors 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.
The 25 largest telephone system vendors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,395 contacts → | ||||
Exact match “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 506 contacts → | ||||
Exact match “Telecommunication Installation and Maintenance” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 425 contacts → | ||||
Exact match “At Ritter Communications, we have over a century-long tradition of providing quality residential and business communication services all across Arkansas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 373 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 | |||||
| 5 | 317 contacts → | ||||
Exact match “Our Business Ethos: 4Com was founded in by our Chairman and MD, Daron Hutt with the aim of improving the communications services of the UK’s SME market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 286 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 | |||||
| 7 | 227 contacts → | ||||
Exact match “Determined to leave the world a better place than we found it, we are your local partners in integrated communications technology for telephony, healthcare, education safety…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 214 contacts → | ||||
Exact match “Khomp is a Brazilian company, based in Santa Catarina, which provides leading edge technology for the development of convergence solutions between computer and telephony, in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 186 contacts → | ||||
Exact match “Nimans is the largest Telecommunications distributor in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 184 contacts → | ||||
Exact match “Established in 1988, Forerunner Technologies, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 176 contacts → | ||||
Exact match “Edge is an innovative provider of communications, data, systems security and business technology services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 150 contacts → | ||||
Exact match “We are the next generation of telecom for families and business owners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 130 contacts → | ||||
Exact match “About TRICOM Dynamics, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 116 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 | |||||
| 15 | 112 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 | |||||
| 16 | 104 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 | |||||
| 17 | 101 contacts → | ||||
Exact match “Onedirect aide les entreprises à optimiser leurs communications professionnelles depuis plus de 25 ans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 100 contacts → | ||||
Exact match “Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 99 contacts → | ||||
Exact match “Coyser S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 89 contacts → | ||||
Exact match “BlinkVoice Communications is acknowledged in its field for providing innovative solutions, offering cutting-edge developments, and delivering advanced networking services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 89 contacts → | ||||
Exact match “Autelcom svolge attività di progettazione, fornitura, installazione, manutenzione, presidio e outsourcing di prodotti ad elevato contenuto tecnologico.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 86 contacts → | ||||
Exact match “We make workplace technology work for you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 84 contacts → | ||||
Exact match “Your Network is Our Business DeltaComGroup is a global supplier of top quality telecommunications systems, components and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 81 contacts → | ||||
Exact match “For over 30 years, CRI has installed, maintained and serviced business communications systems throughout the Southeastern U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 81 contacts → | ||||
Exact match “Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded in the RevenueBase company graph · Nov 6, 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 “telephone system vendors”. 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 3,043 telephone system vendors worldwide
See the full list, filter by size, metro and specialty, and access 6,609 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telephone system vendors worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 telephone system vendors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “telephone system vendors” 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 6,609 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.
Telephone system vendors by location
12 lists · largest firstEvery Telephone system vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone system vendors based in the United States964
- Telephone system vendors based in the United Kingdom321
- Telephone system vendors based in Italy143
- Telephone system vendors based in Brazil124
- Telephone system vendors based in Germany114
- Telephone system vendors based in Canada104
- Telephone system vendors based in France99
- Telephone system vendors based in Australia86
- Telephone system vendors based in Spain68
- Telephone system vendors based in South Africa39
- Telephone system vendors based in the Netherlands33
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 “telephone system vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telephone system vendors are there worldwide?
RevenueBase identified 3,043 company matches for telephone system vendors 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?
Granite Telecommunications tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most telephone system vendors?
The United States leads with 964 companies, followed by the United Kingdom (321) and Italy (143). Every telephone system vendors list by country and city is linked on this page.
Which city has the most telephone system vendors?
London leads with 27 company records, followed by Sao Paulo (25) and Houston (18).
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 6,609 professional contacts with verified work emails tracked across these 3,043 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.
Ready to reach these companies? Verified emails and direct dials for all 3,043 telephone system vendors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 telephone system vendors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,043 matching company records for telephone system vendors worldwide, with 29,199 tracked contacts and 6,609 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: November 6, 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 telephone system vendors worldwide
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 |  Granite Telecommunicationsgranitenet.comHQ: Quincy, MA, United StatesReported employees: 1,001-5,000 | Quincy, MA, United States | 1,001-5,000 | Exact match | 2,395 contacts → |
“Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SNIMsnim.fr HQ: FranceReported employees: 51-200 | France | 51-200 | Exact match | 506 contacts → |
“Telecommunication Installation and Maintenance” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ritter Communicationsrittercommunications.comHQ: Jonesboro, AR, United StatesReported employees: 201-500 | Jonesboro, AR, United States | 201-500 | Exact match | 425 contacts → |
“At Ritter Communications, we have over a century-long tradition of providing quality residential and business communication services all across Arkansas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ACS2acs.comHQ: Lake Mary, FL, United StatesReported employees: Not recorded | Lake Mary, FL, United States | Not recorded | Exact match | 373 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  4com4com.co.ukHQ: Bournemouth, United KingdomReported employees: 501-1,000 | Bournemouth, United Kingdom | 501-1,000 | Exact match | 317 contacts → |
“Our Business Ethos: 4Com was founded in by our Chairman and MD, Daron Hutt with the aim of improving the communications services of the UK’s SME market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Handphone Telecomunicaçõeshandphone.com.brHQ: Osasco, BrazilReported employees: 201-500 | Osasco, Brazil | 201-500 | Exact match | 286 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  RONCOronco.netHQ: Tonawanda, SC, United StatesReported employees: 51-200 | Tonawanda, SC, United States | 51-200 | Exact match | 227 contacts → |
“Determined to leave the world a better place than we found it, we are your local partners in integrated communications technology for telephony, healthcare, education safety…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  KHOMPkhomp.comHQ: Florianópolis, BrazilReported employees: 201-500 | Florianópolis, Brazil | 201-500 | Exact match | 214 contacts → |
“Khomp is a Brazilian company, based in Santa Catarina, which provides leading edge technology for the development of convergence solutions between computer and telephony, in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nimansnimans.netHQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 186 contacts → |
“Nimans is the largest Telecommunications distributor in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Forerunner Technologies, INCfrtinc.comHQ: Edgewood, NY, United StatesReported employees: 51-200 | Edgewood, NY, United States | 51-200 | Exact match | 184 contacts → |
“Established in 1988, Forerunner Technologies, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Edge Communicationsedgecommunications.comHQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 176 contacts → |
“Edge is an innovative provider of communications, data, systems security and business technology services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Community Phonecommunityphone.orgHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 150 contacts → |
“We are the next generation of telecom for families and business owners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tricom Dynamics, INCtricom.com.phHQ: Makati City, PhilippinesReported employees: 51-200 | Makati City, Philippines | 51-200 | Exact match | 130 contacts → |
“About TRICOM Dynamics, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bharti Teletech Limitedbeetel.inHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 116 contacts → |
“Bharti Enterprise has a 96 per cent stake in Beetel Teletech Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Voip Supplyvoipsupply.comHQ: Amherst, NY, United StatesReported employees: 11-50 | Amherst, NY, United States | 11-50 | Exact match | 112 contacts → |
“We Solve Problems and Create Solutions with VoIP.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Innovaphoneinnovaphone.comHQ: Sindelfingen, GermanyReported employees: 51-200 | Sindelfingen, Germany | 51-200 | Exact match | 104 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Onedirectonedirect.frHQ: Perpignan, FranceReported employees: 51-200 | Perpignan, France | 51-200 | Exact match | 101 contacts → |
“Onedirect aide les entreprises à optimiser leurs communications professionnelles depuis plus de 25 ans.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  CMS Communicationscmsc.comHQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 100 contacts → |
“Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Coyser SAcoyser.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 99 contacts → |
“Coyser S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Blink Voice, INCblinkvoice.comHQ: Uniondale, NY, United StatesReported employees: 51-200 | Uniondale, NY, United States | 51-200 | Exact match | 89 contacts → |
“BlinkVoice Communications is acknowledged in its field for providing innovative solutions, offering cutting-edge developments, and delivering advanced networking services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Autelcom S.P.Aautelcom.itHQ: San Giovanni Teatino, ItalyReported employees: 51-200 | San Giovanni Teatino, Italy | 51-200 | Exact match | 89 contacts → |
“Autelcom svolge attività di progettazione, fornitura, installazione, manutenzione, presidio e outsourcing di prodotti ad elevato contenuto tecnologico.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Arvada, CO, United StatesReported employees: 11-50 | Arvada, CO, United States | 11-50 | Exact match | 86 contacts → |
“We make workplace technology work for you.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Deltacomgroupdeltacomgroup.comHQ: San Sebastián De Los Reyes, SpainReported employees: 201-500 | San Sebastián De Los Reyes, Spain | 201-500 | Exact match | 84 contacts → |
“Your Network is Our Business DeltaComGroup is a global supplier of top quality telecommunications systems, components and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CRIgocri.comHQ: Chattanooga, TN, United StatesReported employees: 11-50 | Chattanooga, TN, United States | 11-50 | Exact match | 81 contacts → |
“For over 30 years, CRI has installed, maintained and serviced business communications systems throughout the Southeastern U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ICS Communicationsicscomms.co.ukHQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 81 contacts → |
“Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,043 company matches
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Telephone system vendors: dataset insights
November 6, 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
2,992 records in the displayed employee bands.
51 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,043 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: November 6, 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 ↗
Telephone system vendors by location
12 lists · largest firstEvery Telephone system vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone system vendors based in the United States964
- Telephone system vendors based in the United Kingdom321
- Telephone system vendors based in Italy143
- Telephone system vendors based in Brazil124
- Telephone system vendors based in Germany114
- Telephone system vendors based in Canada104
- Telephone system vendors based in France99
- Telephone system vendors based in Australia86
- Telephone system vendors based in Spain68
- Telephone system vendors based in South Africa39
- Telephone system vendors based in the Netherlands33
Cities
Questions about this company list
What does Exact match mean for telephone system vendors?
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 telephone system vendors did RevenueBase find worldwide?
The saved snapshot records 3,043 matching company records, 29,199 tracked contacts and 6,609 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: November 6, 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
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Cite this list
RevenueBase Data Team. Top 25 telephone system vendors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/telephone-system-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 telephone system vendors worldwide
RevenueBase records 3,043 matching company records for telephone system vendors worldwide, with 29,199 tracked contacts and 6,609 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: November 6, 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 telephone system vendors worldwide
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 | Granite Telecommunicationsgranitenet.com HQ: Quincy, MA, United StatesReported employees: 1,001-5,000 | Quincy, MA, United States | 1,001-5,000 | Exact match | 2,395 contacts → |
“Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SNIMsnim.fr HQ: FranceReported employees: 51-200 | France | 51-200 | Exact match | 506 contacts → |
“Telecommunication Installation and Maintenance” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ritter Communicationsrittercommunications.com HQ: Jonesboro, AR, United StatesReported employees: 201-500 | Jonesboro, AR, United States | 201-500 | Exact match | 425 contacts → |
“At Ritter Communications, we have over a century-long tradition of providing quality residential and business communication services all across Arkansas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ACS2acs.com HQ: Lake Mary, FL, United StatesReported employees: Not recorded | Lake Mary, FL, United States | Not recorded | Exact match | 373 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 4com4com.co.uk HQ: Bournemouth, United KingdomReported employees: 501-1,000 | Bournemouth, United Kingdom | 501-1,000 | Exact match | 317 contacts → |
“Our Business Ethos: 4Com was founded in by our Chairman and MD, Daron Hutt with the aim of improving the communications services of the UK’s SME market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Handphone Telecomunicaçõeshandphone.com.br HQ: Osasco, BrazilReported employees: 201-500 | Osasco, Brazil | 201-500 | Exact match | 286 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RONCOronco.net HQ: Tonawanda, SC, United StatesReported employees: 51-200 | Tonawanda, SC, United States | 51-200 | Exact match | 227 contacts → |
“Determined to leave the world a better place than we found it, we are your local partners in integrated communications technology for telephony, healthcare, education safety…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | KHOMPkhomp.com HQ: Florianópolis, BrazilReported employees: 201-500 | Florianópolis, Brazil | 201-500 | Exact match | 214 contacts → |
“Khomp is a Brazilian company, based in Santa Catarina, which provides leading edge technology for the development of convergence solutions between computer and telephony, in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nimansnimans.net HQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 186 contacts → |
“Nimans is the largest Telecommunications distributor in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Forerunner Technologies, INCfrtinc.com HQ: Edgewood, NY, United StatesReported employees: 51-200 | Edgewood, NY, United States | 51-200 | Exact match | 184 contacts → |
“Established in 1988, Forerunner Technologies, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Edge Communicationsedgecommunications.com HQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 176 contacts → |
“Edge is an innovative provider of communications, data, systems security and business technology services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Community Phonecommunityphone.org HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 150 contacts → |
“We are the next generation of telecom for families and business owners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tricom Dynamics, INCtricom.com.ph HQ: Makati City, PhilippinesReported employees: 51-200 | Makati City, Philippines | 51-200 | Exact match | 130 contacts → |
“About TRICOM Dynamics, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bharti Teletech Limitedbeetel.in HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 116 contacts → |
“Bharti Enterprise has a 96 per cent stake in Beetel Teletech Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Voip Supplyvoipsupply.com HQ: Amherst, NY, United StatesReported employees: 11-50 | Amherst, NY, United States | 11-50 | Exact match | 112 contacts → |
“We Solve Problems and Create Solutions with VoIP.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Innovaphoneinnovaphone.com HQ: Sindelfingen, GermanyReported employees: 51-200 | Sindelfingen, Germany | 51-200 | Exact match | 104 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Onedirectonedirect.fr HQ: Perpignan, FranceReported employees: 51-200 | Perpignan, France | 51-200 | Exact match | 101 contacts → |
“Onedirect aide les entreprises à optimiser leurs communications professionnelles depuis plus de 25 ans.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CMS Communicationscmsc.com HQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 100 contacts → |
“Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Coyser SAcoyser.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 99 contacts → |
“Coyser S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Blink Voice, INCblinkvoice.com HQ: Uniondale, NY, United StatesReported employees: 51-200 | Uniondale, NY, United States | 51-200 | Exact match | 89 contacts → |
“BlinkVoice Communications is acknowledged in its field for providing innovative solutions, offering cutting-edge developments, and delivering advanced networking services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Autelcom S.P.Aautelcom.it HQ: San Giovanni Teatino, ItalyReported employees: 51-200 | San Giovanni Teatino, Italy | 51-200 | Exact match | 89 contacts → |
“Autelcom svolge attività di progettazione, fornitura, installazione, manutenzione, presidio e outsourcing di prodotti ad elevato contenuto tecnologico.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Arvada, CO, United StatesReported employees: 11-50 | Arvada, CO, United States | 11-50 | Exact match | 86 contacts → |
“We make workplace technology work for you.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Deltacomgroupdeltacomgroup.com HQ: San Sebastián De Los Reyes, SpainReported employees: 201-500 | San Sebastián De Los Reyes, Spain | 201-500 | Exact match | 84 contacts → |
“Your Network is Our Business DeltaComGroup is a global supplier of top quality telecommunications systems, components and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CRIgocri.com HQ: Chattanooga, TN, United StatesReported employees: 11-50 | Chattanooga, TN, United States | 11-50 | Exact match | 81 contacts → |
“For over 30 years, CRI has installed, maintained and serviced business communications systems throughout the Southeastern U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ICS Communicationsicscomms.co.uk HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 81 contacts → |
“Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Telephone system vendors: dataset insights
November 6, 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
2,992 records in the displayed employee bands.
51 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,043 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: November 6, 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 ↗
Telephone system vendors by location
12 lists · largest firstEvery Telephone system vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone system vendors based in the United States964
- Telephone system vendors based in the United Kingdom321
- Telephone system vendors based in Italy143
- Telephone system vendors based in Brazil124
- Telephone system vendors based in Germany114
- Telephone system vendors based in Canada104
- Telephone system vendors based in France99
- Telephone system vendors based in Australia86
- Telephone system vendors based in Spain68
- Telephone system vendors based in South Africa39
- Telephone system vendors based in the Netherlands33
Cities
Questions about this company list
What does Exact match mean for telephone system vendors?
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 telephone system vendors did RevenueBase find worldwide?
The saved snapshot records 3,043 matching company records, 29,199 tracked contacts and 6,609 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 telephone system vendors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/telephone-system-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗