Company lists · Data refreshed September 2026
Top 25 Pbx manufacturers based in the United States
RevenueBase identified 257 company matches for pbx manufacturers associated with the United States as of September 2026 and tracks 3,644 professional contacts across them, including 551 with verified work emails. New York is the largest hub.
This list covers company matches for pbx manufacturers associated with the United States, 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 September 30, 2026.
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 pbx manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 133 contacts → | ||||
Exact match “Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 127 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 121 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 91 contacts → | ||||
Exact match “Alliance Global is a cloud-based business phone system provider exclusively for organizations that require professional communication features.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 68 contacts → | ||||
Exact match “Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 60 contacts → | ||||
Exact match “It’s no secret that staying connected and accessible is absolutely crucial in today’s business environment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 58 contacts → | ||||
Exact match “Digium®, Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “Teo designs, manufactures and sells superior quality telecommunications solutions, made in the USA.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 45 contacts → | ||||
Exact match “14IP is a global software development and technology company specialising in telecommunications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 41 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 37 contacts → | ||||
Exact match “Nevotek provides value-added business communications solutions using the highly programmable, IP-based unified communications platform as a springboard for its innovative product…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 34 contacts → | ||||
Exact match “American Telephone is an employee owned telecommunications company that has been proudly serving customers since 1982.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 28 contacts → | ||||
Exact match “Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 25 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 25 contacts → | ||||
Exact match “IP Communications (IPComms) has been delivering enterprise voice infrastructure since 2002.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 24 contacts → | ||||
Exact match “In today’s fast-paced business world, effective communication is critical.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 22 contacts → | ||||
Exact match “At Hover Networks Inc, we specialize in delivering customized Cloud-based VoIP solutions tailored to elevate your business.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Servicing the Greater Boston area for over 30 years.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “CREDENTIALS Midland Communications began more than 70 years ago in 1946 as the Worldwide Marketing Arm of Victor-Animagraph Projectors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “In Epygi Technologies was one of the first IP PBX manufacturers for the small to medium-sized business market.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 17 contacts → | ||||
Exact match “Silverback Communications is an IT solutions firm based in sunny Tampa, Florida.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 17 contacts → | ||||
Exact match “PEC] Parwan Telecom Technologies Pvt Ltd.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 17 contacts → | ||||
Exact match “At Magic Apple we install and support custom IP based phone systems.” Recorded in the RevenueBase company graph · Sep 30, 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 “pbx manufacturers”. 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 257 pbx manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 551 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Pbx manufacturers based in the United States at a glance
As of Sep 30, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 257 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “pbx 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 551 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 September 30, 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.
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 manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many pbx manufacturers are there based in the United States?
RevenueBase identified 257 company matches for pbx manufacturers associated with the United States as of September 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?
Unimax tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most pbx manufacturers?
New York leads with 8 company records, followed by Dallas (7) and Tampa (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 551 professional contacts with verified work emails tracked across these 257 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 257 pbx manufacturers based in the United States. 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 pbx manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 257 matching company records for pbx manufacturers based in the United States, with 3,644 tracked contacts and 551 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: September 30, 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 pbx manufacturers based in the United States
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 |  Unimaxunimax.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 133 contacts → |
“Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Transcom Telecommunicationstranscomla.comHQ: Signal Hill, CA, United StatesReported employees: 11-50 | Signal Hill, CA, United States | 11-50 | Exact match | 127 contacts → |
“Transcom Telecommunications (formerly called "Transcom Services") is a Veteran Owned Business founded in 1986 on 3 core ideas.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Estech Systems, Inc. ESIesi-estech.comHQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 121 contacts → |
“Founded in 1987, Estech Systems (ESI), a Crexendo® company, delivers high-performance phone systems designed for growing businesses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Alliance Global Communications LLCalliancecomms.comHQ: Plainsboro, NJ, United StatesReported employees: 51-200 | Plainsboro, NJ, United States | 51-200 | Exact match | 91 contacts → |
“Alliance Global is a cloud-based business phone system provider exclusively for organizations that require professional communication features.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Unified Global Solutions LLCunifiedglobalsolutions.netHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 68 contacts → |
“Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clarity Voiceclarityvoice.comHQ: Southfield, MI, United StatesReported employees: 51-200 | Southfield, MI, United States | 51-200 | Exact match | 60 contacts → |
“It’s no secret that staying connected and accessible is absolutely crucial in today’s business environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Digiumdigium.com HQ: Huntsville, AL, United StatesReported employees: 51-200 | Huntsville, AL, United States | 51-200 | Exact match | 58 contacts → |
“Digium®, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TEOteotech.com HQ: Mukilteo, WA, United StatesReported employees: 51-200 | Mukilteo, WA, United States | 51-200 | Exact match | 55 contacts → |
“Teo designs, manufactures and sells superior quality telecommunications solutions, made in the USA.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Clearlyip14ip.comHQ: Appleton, WI, United StatesReported employees: 201-500 | Appleton, WI, United States | 201-500 | Exact match | 45 contacts → |
“14IP is a global software development and technology company specialising in telecommunications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Telquest Internationaltelquestintl.comHQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 41 contacts → |
“TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Nevoteknevotek.comHQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 37 contacts → |
“Nevotek provides value-added business communications solutions using the highly programmable, IP-based unified communications platform as a springboard for its innovative product…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  American Telephoneamericantelephone.comHQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 34 contacts → |
“American Telephone is an employee owned telecommunications company that has been proudly serving customers since 1982.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vested Networksvestednetworks.com HQ: Lewisville, TX, United StatesReported employees: 11-50 | Lewisville, TX, United States | 11-50 | Exact match | 28 contacts → |
“Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lineoneline.one HQ: Lafayette, LA, United StatesReported employees: 11-50 | Lafayette, LA, United States | 11-50 | Exact match | 28 contacts → |
“For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Allworxallworx.comHQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 25 contacts → |
“Headquartered in Rochester, N.Y, Allworx is an award-winning maker of VoIP communication systems for SMBs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ipcommsipcomms.net HQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 25 contacts → |
“IP Communications (IPComms) has been delivering enterprise voice infrastructure since 2002.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telebroadtelebroad.com HQ: Brooklyn, United StatesReported employees: 201-500 | Brooklyn, United States | 201-500 | Exact match | 24 contacts → |
“In today’s fast-paced business world, effective communication is critical.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hover Networks, INChovernetworks.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 22 contacts → |
“At Hover Networks Inc, we specialize in delivering customized Cloud-based VoIP solutions tailored to elevate your business.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | General Communicationsgcctel.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 19 contacts → |
“Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Metropolitan Telephone Co., INCmettel.com HQ: Walpole, MA, United StatesReported employees: 11-50 | Walpole, MA, United States | 11-50 | Exact match | 18 contacts → |
“Servicing the Greater Boston area for over 30 years.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Midland Technologiesmidlandcom.com HQ: Davenport, IA, United StatesReported employees: 11-50 | Davenport, IA, United States | 11-50 | Exact match | 18 contacts → |
“CREDENTIALS Midland Communications began more than 70 years ago in 1946 as the Worldwide Marketing Arm of Victor-Animagraph Projectors.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Epygi Technologies LLCepygi.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 18 contacts → |
“In Epygi Technologies was one of the first IP PBX manufacturers for the small to medium-sized business market.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Silverback Communicationssbnetworkit.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 17 contacts → |
“Silverback Communications is an IT solutions firm based in sunny Tampa, Florida.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PEC Parwan Telecom Technologies PVT LTDvoicesaver.com HQ: Aberdeen, United StatesReported employees: 51-200 | Aberdeen, United States | 51-200 | Exact match | 17 contacts → |
“PEC] Parwan Telecom Technologies Pvt Ltd.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Magic Applemagicapple.com HQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 17 contacts → |
“At Magic Apple we install and support custom IP based phone systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 257 company matches
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Pbx manufacturers: dataset insights
September 30, 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
256 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 257 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: September 30, 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 ↗
Questions about this company list
What does Exact match mean for pbx manufacturers?
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 pbx manufacturers did RevenueBase find based in the United States?
The saved snapshot records 257 matching company records, 3,644 tracked contacts and 551 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: September 30, 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
Pbx manufacturers by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 pbx manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/pbx-manufacturers/united-states.
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 pbx manufacturers based in the United States
RevenueBase records 257 matching company records for pbx manufacturers based in the United States, with 3,644 tracked contacts and 551 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: September 30, 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 pbx manufacturers based in the United States
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 | Unimaxunimax.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 133 contacts → |
“Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Transcom Telecommunicationstranscomla.com HQ: Signal Hill, CA, United StatesReported employees: 11-50 | Signal Hill, CA, United States | 11-50 | Exact match | 127 contacts → |
“Transcom Telecommunications (formerly called "Transcom Services") is a Veteran Owned Business founded in 1986 on 3 core ideas.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Estech Systems, Inc. ESIesi-estech.com HQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 121 contacts → |
“Founded in 1987, Estech Systems (ESI), a Crexendo® company, delivers high-performance phone systems designed for growing businesses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Alliance Global Communications LLCalliancecomms.com HQ: Plainsboro, NJ, United StatesReported employees: 51-200 | Plainsboro, NJ, United States | 51-200 | Exact match | 91 contacts → |
“Alliance Global is a cloud-based business phone system provider exclusively for organizations that require professional communication features.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Unified Global Solutions LLCunifiedglobalsolutions.net HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 68 contacts → |
“Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clarity Voiceclarityvoice.com HQ: Southfield, MI, United StatesReported employees: 51-200 | Southfield, MI, United States | 51-200 | Exact match | 60 contacts → |
“It’s no secret that staying connected and accessible is absolutely crucial in today’s business environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Digiumdigium.com HQ: Huntsville, AL, United StatesReported employees: 51-200 | Huntsville, AL, United States | 51-200 | Exact match | 58 contacts → |
“Digium®, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TEOteotech.com HQ: Mukilteo, WA, United StatesReported employees: 51-200 | Mukilteo, WA, United States | 51-200 | Exact match | 55 contacts → |
“Teo designs, manufactures and sells superior quality telecommunications solutions, made in the USA.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clearlyip14ip.com HQ: Appleton, WI, United StatesReported employees: 201-500 | Appleton, WI, United States | 201-500 | Exact match | 45 contacts → |
“14IP is a global software development and technology company specialising in telecommunications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Telquest Internationaltelquestintl.com HQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 41 contacts → |
“TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Nevoteknevotek.com HQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 37 contacts → |
“Nevotek provides value-added business communications solutions using the highly programmable, IP-based unified communications platform as a springboard for its innovative product…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | American Telephoneamericantelephone.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 34 contacts → |
“American Telephone is an employee owned telecommunications company that has been proudly serving customers since 1982.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vested Networksvestednetworks.com HQ: Lewisville, TX, United StatesReported employees: 11-50 | Lewisville, TX, United States | 11-50 | Exact match | 28 contacts → |
“Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lineoneline.one HQ: Lafayette, LA, United StatesReported employees: 11-50 | Lafayette, LA, United States | 11-50 | Exact match | 28 contacts → |
“For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Allworxallworx.com HQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 25 contacts → |
“Headquartered in Rochester, N.Y, Allworx is an award-winning maker of VoIP communication systems for SMBs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ipcommsipcomms.net HQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 25 contacts → |
“IP Communications (IPComms) has been delivering enterprise voice infrastructure since 2002.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telebroadtelebroad.com HQ: Brooklyn, United StatesReported employees: 201-500 | Brooklyn, United States | 201-500 | Exact match | 24 contacts → |
“In today’s fast-paced business world, effective communication is critical.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hover Networks, INChovernetworks.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 22 contacts → |
“At Hover Networks Inc, we specialize in delivering customized Cloud-based VoIP solutions tailored to elevate your business.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | General Communicationsgcctel.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 19 contacts → |
“Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Metropolitan Telephone Co., INCmettel.com HQ: Walpole, MA, United StatesReported employees: 11-50 | Walpole, MA, United States | 11-50 | Exact match | 18 contacts → |
“Servicing the Greater Boston area for over 30 years.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Midland Technologiesmidlandcom.com HQ: Davenport, IA, United StatesReported employees: 11-50 | Davenport, IA, United States | 11-50 | Exact match | 18 contacts → |
“CREDENTIALS Midland Communications began more than 70 years ago in 1946 as the Worldwide Marketing Arm of Victor-Animagraph Projectors.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Epygi Technologies LLCepygi.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 18 contacts → |
“In Epygi Technologies was one of the first IP PBX manufacturers for the small to medium-sized business market.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Silverback Communicationssbnetworkit.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 17 contacts → |
“Silverback Communications is an IT solutions firm based in sunny Tampa, Florida.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PEC Parwan Telecom Technologies PVT LTDvoicesaver.com HQ: Aberdeen, United StatesReported employees: 51-200 | Aberdeen, United States | 51-200 | Exact match | 17 contacts → |
“PEC] Parwan Telecom Technologies Pvt Ltd.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Magic Applemagicapple.com HQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 17 contacts → |
“At Magic Apple we install and support custom IP based phone systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 257 company matches
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Pbx manufacturers: dataset insights
September 30, 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
256 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 257 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: September 30, 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 ↗
Questions about this company list
What does Exact match mean for pbx manufacturers?
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 pbx manufacturers did RevenueBase find based in the United States?
The saved snapshot records 257 matching company records, 3,644 tracked contacts and 551 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: September 30, 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
Pbx manufacturers by geography
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Cite this list
RevenueBase Data Team. Top 25 pbx manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/pbx-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗