Company lists · Data refreshed September 2026

Top 25 Managed service providers for telecom based in the United States

Name: Managed service providers for telecom based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 3,913 companies tracked

RevenueBase identified 3,913 company matches for managed service providers for telecom associated with the United States as of September 2026 and tracks 264,738 professional contacts across them, including 56,454 with verified work emails. New York is the largest hub.

This list covers company matches for managed service providers for telecom 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 28, 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 Sep 28, 2026 How this list was built

3,913Companies

264,738Contacts tracked

56,454Verified emails

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The 25 largest managed service providers for telecom based in the United States

Ranked by team size

Top 25 of 3,913 company matches for managed service providers for telecom based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	At&t	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	10001+	149,412 contacts →
	Exact match “We understand that our customers want an easier, less complicated life.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Verizon Business	Exact match	Basking Ridge, NJ, United StatesHQ recorded Sep 28, 2026	10001+	12,837 contacts →
	Exact match “You’re more than a business, agency or organization leader.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Netcracker Technology	Exact match	Waltham, MA, United StatesHQ recorded Sep 28, 2026	10001+	8,651 contacts →
	Exact match “Netcracker Technology, a wholly owned subsidiary of NEC Corporation, helps service providers around the world transform and grow in the digital economy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Sep 28, 2026	10001+	7,275 contacts →
	Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,248 contacts →
	Exact match “VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Granite Telecommunications	Exact match	Quincy, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,270 contacts →
	Exact match “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	LCC	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,193 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Infinera	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,959 contacts →
	Exact match “Infinera is now part of Nokia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	GURU	Exact match	Rockville, MD, United StatesHQ recorded Sep 28, 2026	n/a	1,906 contacts →
	Exact match “Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	FLŌ Networks	Exact match	El Paso, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	1,250 contacts →
	Exact match “Today fast, flexible networks are the foundation of every successful organization.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Hawaiian Telcom	Exact match	Honolulu, HI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,131 contacts →
	Exact match “Over the last two decades our mission has evolved dramatically.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,077 contacts →
	Exact match “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	TW Telecom	Exact match	Broomfield, CO, United StatesHQ recorded Sep 28, 2026	10001+	1,051 contacts →
	Exact match “tw telecom is now part of CenturyLink.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	KGPCO	Exact match	Faribault, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	974 contacts →
	Exact match “KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	IT By Design	Exact match	Freehold, NJ, United StatesHQ recorded Sep 28, 2026	501-1,000	928 contacts →
	Exact match “For more than 20 years, IT By Design has been the growth partner MSPs trust to scale profitably.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Allied Telesis	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	816 contacts →
	Exact match “Our world is increasing in complexity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Mettel	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	681 contacts →
	Exact match “MetTel is a global communications solutions provider for businesses and government agencies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Circet USA	Exact match	Kennesaw, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	637 contacts →
	Exact match “Circet USA is a leading builder of network infrastructure with services tailored to your specific needs, including the design, engineering, construction, and maintenance of data…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Cloud5 Communications	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	605 contacts →
	Exact match “Leading brands, including over hotels, trust Cloud5 to deliver exceptional experiences that both attract and retain customers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Cbeyond	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	555 contacts →
	Exact match “Cbeyond, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Telepacific Communications TPX Communications	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	542 contacts →
	Exact match “TelePacific company is now TPx Communications.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Maintech, Incorporated	Exact match	Clark, NJ, United StatesHQ recorded Sep 28, 2026	501-1,000	529 contacts →
	Exact match “Maintech: A trusted global partner for IT Infrastructure Solutions and Managed Services, leveraging over 50 years of experience to empower businesses worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Firstlight Fiber	Exact match	Portsmouth, NH, United StatesHQ recorded Sep 28, 2026	501-1,000	470 contacts →
	Exact match “We free IT leaders to do what matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Meriplex	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	450 contacts →
	Exact match “If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Momentum	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	501-1,000	437 contacts →
	Exact match “We unleash human momentum with collaboration, connectivity, and communications technology.” Recorded in the RevenueBase company graph · Sep 28, 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 “managed service providers for telecom”. 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 3,913 managed service providers for telecom based in the United States

See the full list, filter by size, metro and specialty, and access 56,454 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed service providers for telecom based in the United States at a glance

As of Sep 28, 2026

21.3%Verified-email coverage

67.7Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,871

11-50

1,448

51-200

409

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,913 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 “managed service providers for telecom” 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 56,454 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 28, 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.

Managed service providers for telecom by metro

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 “managed service providers for telecom”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed service providers for telecom are there based in the United States?

RevenueBase identified 3,913 company matches for managed service providers for telecom 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?

At&t tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most managed service providers for telecom?

New York leads with 102 company records, followed by Houston (78) and Miami (64).

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 56,454 professional contacts with verified work emails tracked across these 3,913 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 28, 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.