Company lists · Data refreshed November 2026

Top 25 Telephone switchboards suppliers based in the United States

RevenueBase identified 225 company matches for telephone switchboards suppliers associated with the United States as of November 2026 and tracks 1,552 professional contacts across them, including 329 with verified work emails. Houston is the largest hub.

This list covers company matches for telephone switchboards suppliers 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 2, 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 2, 2026 How this list was built
225Companies
1,552Contacts tracked
329Verified emails
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The 25 largest telephone switchboards suppliers based in the United States

Ranked by team size
Top 25 of 225 company matches for telephone switchboards suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchChesterfield, MO, United StatesHQ recorded Nov 2, 202651-200103 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 2, 2026 · View company records in RevenueBase
2Exact matchUniondale, NY, United StatesHQ recorded Nov 2, 202651-20084 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 2, 2026 · View company records in RevenueBase
3Exact matchChattanooga, TN, United StatesHQ recorded Nov 2, 202611-5079 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 2, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Nov 2, 202651-20057 contacts →

Exact match

“With more than 40 years of experience, SOTEL is an industry leading distributor of high-quality (IT) communications and networking equipment with customers throughout North…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchWaukesha, WI, United StatesHQ recorded Nov 2, 202611-5051 contacts →

Exact match

“RCH Communications is a dynamic telecommunications company seeking to provide cutting edge telecommunications solutions for businesses in Wisconsin.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchFairfield, NJ, United StatesHQ recorded Nov 2, 202651-20043 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 2, 2026 · View company records in RevenueBase
7Exact matchIndianapolis, IN, United StatesHQ recorded Nov 2, 202611-5031 contacts →

Exact match

“In business since 1980, our experience is in providing solution driven communication products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchMilwaukee, WI, United StatesHQ recorded Nov 2, 20261,001-5,00026 contacts →

Exact match

“Telcom & data offers thousands of telecommunications products that are designed to improve communications.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchWatsonville, CA, United StatesHQ recorded Nov 2, 202611-5025 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchAberdeen, United StatesHQ recorded Nov 2, 202651-20019 contacts →

Exact match

“PEC] Parwan Telecom Technologies Pvt Ltd.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchBethpage, NY, United StatesHQ recorded Nov 2, 202611-5018 contacts →

Exact match

“ICC has been working in communications and infrastructure in the Greater New York Area for almost 40 years, and a big part of our business has always been helping organizations…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchDavenport, IA, United StatesHQ recorded Nov 2, 202611-5018 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 · Nov 2, 2026 · View company records in RevenueBase
13Exact matchTampa, FL, United StatesHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“Logic Networks LLC Buys and Sells, New and Secondary Equipment, Authorized Refurb, Replacement Cards, and Parts for all of the following.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchBay Shore, NY, United StatesHQ recorded Nov 2, 20261-1016 contacts →

Exact match

“At Telco Depot, our priority is helping our clients make informed decisions based on their specific Small Business Phone System needs.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact match28 Cindy Drive, NH, United StatesHQ recorded Nov 2, 20261-1015 contacts →

Exact match

“Proudly serving businesses across New Hampshire, Massachusetts, Vermont, Connecticut, and Maine, we are your trusted partner in telecommunications solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchRichfield, OH, United StatesHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“Easton Telecom Services has been a full service business-to-business telecommunications supplier since our inception in 1992.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchLaporte, IN, United StatesHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“Founded in 1986 on a rich tradition of integrity, dedicated customer service, and timely cost-effective solutions, New Age Telecom, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchCary, NC, United StatesHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“TSM South is an industry leader in the delivery of business telephone systems, data communications equipment and support service.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchBraintree, MA, United StatesHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“One Call Does It All.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchSan Bernardino, United StatesHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“The Kendra Group, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchDoral, FL, United StatesHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“Quality Wiring is dedicated to providing your business with tomorrow’s telecommunications solutions today.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchPlano, TX, United StatesHQ recorded Nov 2, 202651-20013 contacts →

Exact match

“Affiliated Communications was founded in 1984 to provide service and support for customers' voice communication needs.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchWarwick, RI, United StatesHQ recorded Nov 2, 202611-5012 contacts →

Exact match

“At Rhode Island Telephone, we specialize in providing comprehensive telecommunications products and services for businesses of all sizes.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchBurton, MI, United StatesHQ recorded Nov 2, 202611-5011 contacts →

Exact match

“CTI understands the critical role a telephone and data system plays in the smooth operation, growth and success of every business.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchSinking Spring, PA, United StatesHQ recorded Nov 2, 202611-5011 contacts →

Exact match

“Berks Western Telecom.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 225 telephone switchboards suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 329 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telephone switchboards suppliers based in the United States at a glance

As of Nov 2, 2026
21.2%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Houston
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
127
11-50
85
51-200
12
1,001-5,000
1

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 225 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 “telephone switchboards suppliers” 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 329 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 2, 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 “telephone switchboards suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telephone switchboards suppliers are there based in the United States?

RevenueBase identified 225 company matches for telephone switchboards suppliers 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?

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

Which city has the most telephone switchboards suppliers?

Houston leads with 4 company records, followed by Indianapolis (4) and Chesterfield (3).

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 329 professional contacts with verified work emails tracked across these 225 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 2, 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.