Company lists · Data refreshed November 2026

Top 25 Pbx vendors based in the United States

RevenueBase identified 512 company matches for pbx vendors associated with the United States as of November 2026 and tracks 4,215 professional contacts across them, including 1,082 with verified work emails. New York is the largest hub.

This list covers company matches for pbx vendors 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
512Companies
4,215Contacts tracked
1,082Verified emails
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The 25 largest pbx vendors based in the United States

Ranked by team size
Top 25 of 512 company matches for pbx vendors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEdgewood, NY, United StatesHQ recorded Nov 6, 202651-200184 contacts →

Exact match

“Established in 1988, Forerunner Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-200143 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSignal Hill, CA, United StatesHQ recorded Nov 6, 202611-50143 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200125 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAmherst, NY, United StatesHQ recorded Nov 6, 202611-50112 contacts →

Exact match

“We Solve Problems and Create Solutions with VoIP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAudubon, PA, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“NetCarrier Telecom, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHolyoke, CO, United StatesHQ recorded Nov 6, 202611-5079 contacts →

Exact match

“Full Service Telecommunications Provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202611-5066 contacts →

Exact match

“Business Class Phone Systems & Service with support & functionality to exceed your communication needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“Digium®, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEatontown, NJ, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Established in 1995 as a premier Internet Service Provider in New Jersey, Monmouth Telecom has evolved into a comprehensive provider offering cutting-edge and cost-effective…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSouthfield, MI, United StatesHQ recorded Nov 6, 202651-20056 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFairfield, NJ, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGarden City, NY, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Metrotel Networks specializes in business phone system,business communications solutions, mobile worker communications, managed IT services, VOIP, cloud voice, business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLakeland, FL, United StatesHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“MIX Networks is a Unified Solutions Provider based in Lakeland, FL.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBlue Bell, PA, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Axxess Networks founders have been in the Telecom and IT field for over 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Phone Service Provider Internet Service Provider Collocation Services Managed IT Service - Help Desk Cybersecurity Provider Data Storage Design Implementation Virtualization…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLewisville, TX, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLafayette, LA, United StatesHQ recorded Nov 6, 202611-5029 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrooklyn, United StatesHQ recorded Nov 6, 2026201-50027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 20261-1027 contacts →

Exact match

“Aspen Communication's roots go back 25 years to Lucent Technologies AT & T and Avaya.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWatsonville, CA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“TOTLCOM has been a dynamic telecommunications company for over 35 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKennesaw, GA, United StatesHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“IP Communications (IPComms) has been delivering enterprise voice infrastructure since 2002.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Clemente, CA, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“VoIP isn't simple, but SimpleVoIP makes it easy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSpringfield, MO, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Losh Network Services is an Authorized AVAYA Business Partner that specializes in the installation, service, and maintenance of VoIP and digital office telephone systems and…”

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

Showing 25 of 512 pbx vendors based in the United States

See the full list, filter by size, metro and specialty, and access 1,082 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pbx vendors based in the United States at a glance

As of Nov 6, 2026
25.7%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
264
11-50
204
51-200
35
201-500
6

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 512 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 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. 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 1,082 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.

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 vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pbx vendors are there based in the United States?

RevenueBase identified 512 company matches for pbx vendors associated with the United States 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?

Forerunner Technologies, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most pbx vendors?

New York leads with 16 company records, followed by Dallas (11) and Austin (10).

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 1,082 professional contacts with verified work emails tracked across these 512 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.