Company lists · Data refreshed September 2026

Top 25 Telecom business consulting companies based in the United States

Name: Telecom business consulting companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 2,666 companies tracked

RevenueBase identified 2,666 company matches for telecom business consulting companies associated with the United States as of September 2026 and tracks 82,682 professional contacts across them, including 12,799 with verified work emails. New York is the largest hub.

This list covers company matches for telecom business consulting companies 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 19, 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 19, 2026 How this list was built

2,666Companies

82,682Contacts tracked

12,799Verified emails

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The 25 largest telecom business consulting companies based in the United States

Ranked by team size

Top 25 of 2,666 company matches for telecom business consulting companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Sprint	Exact match	Overland Park, KS, United StatesHQ recorded Sep 19, 2026	10001+	39,870 contacts →
	Exact match “Thanks for everything!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Cable ONE	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 19, 2026	1,001-5,000	6,379 contacts →
	Exact match “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Granite Telecommunications	Exact match	Quincy, MA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
4	LCC	Exact match	Mclean, VA, United StatesHQ recorded Sep 19, 2026	5,001-10,000	2,193 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Centurylink Business	Exact match	Monroe, LA, United StatesHQ recorded Sep 19, 2026	10001+	1,119 contacts →
	Exact match “We are an innovative telecommunications company with a nationwide footprint and a passion for empowering the small businesses that power the communities we serve.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
7	Allied Telesis	Exact match	San Jose, CA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	816 contacts →
	Exact match “Our world is increasing in complexity.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Altman Solon	Exact match	Boston, MA, United StatesHQ recorded Sep 19, 2026	501-1,000	669 contacts →
	Exact match “In 2020, Altman Vilandrie & Company and Solon Management Consulting cemented a decades-long partnership across the Atlantic to form Altman Solon, the world’s largest global…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	JSI	Exact match	Greenbelt, MD, United StatesHQ recorded Sep 19, 2026	501-1,000	563 contacts →
	Exact match “JSI is a national leader in next-generation digital solutions, empowering providers to build, scale, and optimize high-performance networks.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Nextgen GTA A Kelly Telecom Company	Exact match	San Diego, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	560 contacts →
	Exact match “As part of KELLY’s SETT (Science, Engineering, Technology, and Telecom) Business Unit, we are committed to providing state-of-the-art digital infrastructure and telecom…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	VCTI	Exact match	Somerset, NJ, United StatesHQ recorded Sep 19, 2026	201-500	432 contacts →
	Exact match “VCTI is a world class leader in network technology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Turnotech INC	Exact match	Redmond, WA, United StatesHQ recorded Sep 19, 2026	501-1,000	426 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Tilson	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	501-1,000	422 contacts →
	Exact match “Tilson has been acquired by ITG Communications, and continues to operate with the same team and customers as a division of ITG.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	PCT International, INC	Exact match	Tempe, AZ, United StatesHQ recorded Sep 19, 2026	201-500	344 contacts →
	Exact match “Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Vantage Point Solutions	Exact match	Mitchell, SD, United StatesHQ recorded Sep 19, 2026	501-1,000	334 contacts →
	Exact match “Vantage Point is a premier engineering and consulting firm serving the broadband, energy, enterprise, and banking industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	BCM ONE	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	501-1,000	308 contacts →
	Exact match “Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Startech Networks INC	Exact match	Plano, TX, United StatesHQ recorded Sep 19, 2026	201-500	290 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Verveba Telecom	Exact match	Richardson, TX, United StatesHQ recorded Sep 19, 2026	501-1,000	289 contacts →
	Exact match “Verveba Telecom delivers strategic telecom engineering services and solutions globally, empowering operators, OEMs, and enterprises to accelerate their 5G transformation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Expertcallers	Exact match	Princeton, NJ, United StatesHQ recorded Sep 19, 2026	501-1,000	264 contacts →
	Exact match “ExpertCallers (a division of Flatworld Solutions) is a global consulting and outsourcing company, with a wealth of experience in providing operational and strategic excellence to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Avant Communications	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	263 contacts →
	Exact match “As the nation’s premier distributor of next generation technologies, AVANT has the resources and relationships needed to successfully navigate the ever-changing world of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	ACC Business	Exact match	Rochester, NY, United StatesHQ recorded Sep 19, 2026	51-200	260 contacts →
	Exact match “ACC Business was founded on a simple idea: provide small to mid-sized businesses first-rate telecom services with dedicated customer service, all at a competitive price.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Finley Engineering Company, INC	Exact match	Lamar, MO, United StatesHQ recorded Sep 19, 2026	201-500	241 contacts →
	Exact match “Leading Innovators in Broadband & Energy Solutions \| 72 Years of Engineering Excellence \| Empowering Communities with Cutting-Edge Infrastructure.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Burwood Group	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 19, 2026	201-500	223 contacts →
	Exact match “The urgent need for technology to solve business problems more efficiently, decrease costs, and mitigate risk has increased.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Glotel, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	201-500	219 contacts →
	Exact match “Founded in 1989, Glotel opened its doors as a telecom staffing provider.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Optimum Business	Exact match	Bethpage, United StatesHQ recorded Sep 19, 2026	201-500	210 contacts →
	Exact match “Empower your business with fast, secure, and reliable connectivity solutions-all with the flexibility and support you deserve.” Recorded in the RevenueBase company graph · Sep 19, 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 “telecom business consulting companies”. 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 2,666 telecom business consulting companies based in the United States

See the full list, filter by size, metro and specialty, and access 12,799 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom business consulting companies based in the United States at a glance

As of Sep 19, 2026

15.5%Verified-email coverage

31.0Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,547

11-50

815

51-200

225

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 2,666 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 “telecom business consulting companies” 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 12,799 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 19, 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.

Telecom business consulting companies 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 “telecom business consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom business consulting companies are there based in the United States?

RevenueBase identified 2,666 company matches for telecom business consulting companies 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?

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

Which city has the most telecom business consulting companies?

New York leads with 87 company records, followed by Dallas (48) and Houston (43).

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 12,799 professional contacts with verified work emails tracked across these 2,666 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 19, 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.