Company lists · Data refreshed November 2026

Top 25 Telephone administration services based in the United States

RevenueBase identified 517 company matches for telephone administration services associated with the United States as of November 2026 and tracks 4,455 professional contacts across them, including 957 with verified work emails. Houston is the largest hub.

This list covers company matches for telephone administration services 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
517Companies
4,455Contacts tracked
957Verified emails
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The 25 largest telephone administration services based in the United States

Ranked by team size
Top 25 of 517 company matches for telephone administration services 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 matchCharleston, NC, United StatesHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Founded in 1982, Call Experts is a family owned and operated call center focused on providing extensive telecommunications and office-based services to professionals in numerous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchUniondale, NY, United StatesHQ recorded Nov 6, 202651-20089 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
3Exact matchChattanooga, TN, United StatesHQ recorded Nov 6, 202611-5081 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
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“At ATSI, we believe technology should empower people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStaten Island, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Headquartered in New York City, InterGlobe Communications is a one stop network service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWest Haven, CT, United StatesHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“We Help Businesses Communicate and Collaborate Freely" Allied Communications, is an established, customer-driven, results-oriented data/telecommunications company, offering a rare…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDoylestown, PA, United StatesHQ recorded Nov 6, 2026n/a67 contacts →

Exact match

“Itsalldata is first and foremost a business communications consulting firm.”

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 matchMesa, AZ, United StatesHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Modern Receptionist is a small group of savvy and sophisticated receptionists that make life easier!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSpringfield, VA, United StatesHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Since 1980, TCI has provided advanced telecommunication, voice, data and networking solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLubbock, TX, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“TAS United is a US-based multinational telecommunication company that delivers live and automated call processing solutions for our medical and business clients throughout the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWaukesha, WI, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“At RCH Communications, we believe technology should make your business easier- not give you one more thing to worry about.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Telecommunication Solutions (business telephone systems, data & internet services, long distance & local services, voice and data cabling)”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWalnut Creek, CA, United StatesHQ recorded Nov 6, 2026n/a45 contacts →

Exact match

“Since 2007, Reliable Receptionist has thrived by providing highly personalized, locally-based, live telephone reception to small business owners, helping them grow revenue and…”

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

Exact match

“The Maynard Group is your single point of contact for telephone and computer networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“TeligentIP 1-855-474-8464 TeligentIP is a global managed services and enterprise solutions provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
20Exact matchLewisville, TX, United StatesHQ recorded Nov 6, 202611-5030 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSuffield, CT, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“CORE Communications is a comprehensive technology service and telecommunications management firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew City, CT, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“We’ve been hearing the same story for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“TeleComp (formerly Co-nexus) provides hosted or managed IP Telephone Systems, Unified Communications, Call Center Solutions including Call Recording and Quality Monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAlbany, NY, United StatesHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Answerphone offers a full suite of telephone answering and call center services, including email and web-based apps, 2-way texting, voice mail, IVR, appointment scheduling /…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 517 telephone administration services based in the United States

See the full list, filter by size, metro and specialty, and access 957 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telephone administration services based in the United States at a glance

As of Nov 6, 2026
21.5%Verified-email coverage
8.6Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
256
11-50
214
51-200
44
201-500
1
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 517 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 administration services” 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 957 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 “telephone administration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telephone administration services are there based in the United States?

RevenueBase identified 517 company matches for telephone administration services 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?

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

Which city has the most telephone administration services?

Houston leads with 9 company records, followed by New York (9) and Austin (7).

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 957 professional contacts with verified work emails tracked across these 517 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.