Company lists · Data refreshed September 2026

Top 15 Enterprise telecom companies based in Atlanta, United States

RevenueBase identified 45 enterprise telecom companies headquartered in Atlanta, United States as of September 2026 and tracks 3,330 professional contacts across them, including 1,384 with verified work emails. New York is the largest hub.

This list covers enterprise telecom companies headquartered in Atlanta, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
45Companies
3,330Contacts tracked
1,384Verified emails
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The 15 largest enterprise telecom companies based in Atlanta, United States

Ranked by team size
Top 15 of 45 enterprise telecom companies based in Atlanta, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202610001+1,094 contacts →

Indirect evidence

“Cox Business provides a wide range of technology solutions for businesses of all sizes with reliable, scalable products and services tailored to your unique needs.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 20261,001-5,000555 contacts →

Indirect evidence

“Cbeyond, Inc.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 2026501-1,000437 contacts →

Indirect evidence

“We unleash human momentum with collaboration, connectivity, and communications technology.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 2026201-500425 contacts →

Indirect evidence

“Fusion Connect, an industry leading cloud communications provider, removes complexity so customers can focus on running their business.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202651-200114 contacts →

Indirect evidence

“DC BLOX provides connected data centers, from colocation facilities in growing markets to hyperscale-ready build-to-suit campuses.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202611-5030 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

“For 20 years, BlackFin Square has helped multi-location global organizations seamlessly and effectively bring offices and people together, regardless of what part of the world…”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202611-5015 contacts →

Indirect evidence

“CCLD Networks is a leading provider of innovative network and technology solutions, dedicated to empowering businesses with reliable, scalable, and secure infrastructure.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202611-5011 contacts →

Indirect evidence

“Telcast Networks is recognized as a leading service provider in the US of innovative, state-of-the-art IP-based communications and SIP trunking services, delivering premium…”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202611-5010 contacts →

Partial evidence

“RealmConnect serves small and medium businesses, enterprises, and organizations by implementing personalized innovation and engineering with voice, data, and networking solutions…”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 2026201-5006 contacts →

Indirect evidence

“Imperial Technologies is a fully managed premium wireline & wireless Connectivity, Technology, Security & Energy solutions provider that utilizes over a thousand top tier carriers…”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 20261-105 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceAtlanta, GA, United StatesHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“Intouch Telecommunications, Inc.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202651-2002 contacts →

Indirect evidence

“Founded in 2010, One Ring Networks has quickly grown from a regional alternative access carrier to a large Tier 2 carrier with a national backbone.”

Source: RevenueBase Database · checked Sep 21, 2026
15Strong evidenceAtlanta, GA, United StatesHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“XTT is an enterprise networking and Internet Service Provider serving the ever-growing telecommunications market.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 15 of 45 enterprise telecom companies based in Atlanta, United States

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Enterprise telecom companies based in Atlanta, United States at a glance

As of Sep 21, 2026
41.6%Verified-email coverage
74.0Average contacts per company
11-50Median size (employees)
213.3%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
14
51-200
4
201-500
6
501-1,000
1
1,001-5,000
2
10001+
1

Email recency for this list is measured across the whole United States list rather than for Atlanta, so it is reported there. Company counts and contact totals on this page are exact for Atlanta, over 45 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise telecom companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Atlanta, United States whose own description of what they do matches “enterprise telecom companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise telecom companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among enterprise telecom companies, and records with no verified work email. Companies headquartered outside Atlanta are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,384 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise telecom companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise telecom companies are there based in Atlanta, United States?

RevenueBase identified 45 enterprise telecom companies headquartered in Atlanta, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

COX Business, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most enterprise telecom companies?

New York leads with 96 headquartered companies, followed by Houston (66) and Dallas (50).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,384 verified decision-maker contacts tracked across these 45 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.