Company lists · Data refreshed September 2026

Top 25 Telecom consulting companies based in the United States

Name: Telecom 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 21, 2026 2,265 companies tracked

RevenueBase identified 2,265 telecom consulting companies headquartered in the United States as of September 2026 and tracks 39,033 professional contacts across them, including 12,164 with verified work emails. New York is the largest hub.

This list covers telecom consulting companies headquartered in the 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

2,265Companies

39,033Contacts tracked

12,164Verified emails

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The 25 largest telecom consulting companies based in the United States

Ranked by team size

Top 25 of 2,265 telecom consulting companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to telecom consulting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 21, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 21, 2026
2	CCI Systems	Partial evidence	Iron Mountain, MI, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,077 contacts →
	Partial evidence “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Source: RevenueBase Database · checked Sep 21, 2026
3	Ervin Cable Construction LLC	Partial evidence	Sturgis, KY, United StatesHQ checked Sep 21, 2026	1,001-5,000	949 contacts →
	Partial evidence “Ervin Cable Construction, LLC (ECC) is a seasoned leader in telecommunications construction, founded in 1980.” Source: RevenueBase Database · checked Sep 21, 2026
4	Allied Telesis	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	816 contacts →
	Indirect evidence “Our world is increasing in complexity.” Source: RevenueBase Database · checked Sep 21, 2026
5	Ansco & Associates, LLC	Indirect evidence	Norcross, GA, United StatesHQ checked Sep 21, 2026	1,001-5,000	810 contacts →
	Indirect evidence “Ansco & Associates, LLC (“Ansco”) has been providing engineering, construction, and professional services in the national marketplace for over 35 years.” Source: RevenueBase Database · checked Sep 21, 2026
6	Tower Engineering Professionals	Indirect evidence	Raleigh, NC, United StatesHQ checked Sep 21, 2026	1,001-5,000	707 contacts →
	Indirect evidence “Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Source: RevenueBase Database · checked Sep 21, 2026
7	Smartlink Group	Indirect evidence	Annapolis, MD, United StatesHQ checked Sep 21, 2026	501-1,000	689 contacts →
	Indirect evidence “Smartlink powers the digital infrastructure behind today’s connected world.” Source: RevenueBase Database · checked Sep 21, 2026
8	Altman Solon	Partial evidence	Boston, MA, United StatesHQ checked Sep 21, 2026	501-1,000	669 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
9	Circet USA	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 21, 2026	1,001-5,000	637 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
10	ADB Companies, LLC	Partial evidence	Pacific, MO, United StatesHQ checked Sep 21, 2026	1,001-5,000	628 contacts →
	Partial evidence “ADB is an industry-leading infrastructure solutions provider, proudly building networks, connections, and partnerships nationwide within the telecommunications and utility…” Source: RevenueBase Database · checked Sep 21, 2026
11	JSI	Indirect evidence	Greenbelt, MD, United StatesHQ checked Sep 21, 2026	501-1,000	563 contacts →
	Indirect evidence “JSI is a national leader in next-generation digital solutions, empowering providers to build, scale, and optimize high-performance networks.” Source: RevenueBase Database · checked Sep 21, 2026
12	Nextgen GTA A Kelly Telecom Company	Partial evidence	San Diego, CA, United StatesHQ checked Sep 21, 2026	501-1,000	560 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
13	Centerline	Indirect evidence	West Bridgewater, MA, United StatesHQ checked Sep 21, 2026	1,001-5,000	477 contacts →
	Indirect evidence “Centerline is a leading provider of critical infrastructure services for next-generation networks across North America.” Source: RevenueBase Database · checked Sep 21, 2026
14	VCTI	Indirect evidence	Somerset, NJ, United StatesHQ checked Sep 21, 2026	201-500	432 contacts →
	Indirect evidence “VCTI is a world class leader in network technology.” Source: RevenueBase Database · checked Sep 21, 2026
15	Turnotech INC	Indirect evidence	Redmond, WA, United StatesHQ checked Sep 21, 2026	501-1,000	426 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
16	Tilson	Indirect evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	501-1,000	422 contacts →
	Indirect evidence “Tilson has been acquired by ITG Communications, and continues to operate with the same team and customers as a division of ITG.” Source: RevenueBase Database · checked Sep 21, 2026
17	PCT International, INC	Partial evidence	Tempe, AZ, United StatesHQ checked Sep 21, 2026	201-500	344 contacts →
	Partial evidence “Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.” Source: RevenueBase Database · checked Sep 21, 2026
18	Vantage Point Solutions	Partial evidence	Mitchell, SD, United StatesHQ checked Sep 21, 2026	501-1,000	334 contacts →
	Partial evidence “Vantage Point is a premier engineering and consulting firm serving the broadband, energy, enterprise, and banking industries.” Source: RevenueBase Database · checked Sep 21, 2026
19	Verveba Telecom	Partial evidence	Richardson, TX, United StatesHQ checked Sep 21, 2026	501-1,000	289 contacts →
	Partial evidence “Verveba Telecom delivers strategic telecom engineering services and solutions globally, empowering operators, OEMs, and enterprises to accelerate their 5G transformation.” Source: RevenueBase Database · checked Sep 21, 2026
20	Avant Communications	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	51-200	263 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
21	Finley Engineering Company, INC	Indirect evidence	Lamar, MO, United StatesHQ checked Sep 21, 2026	201-500	241 contacts →
	Indirect evidence “Leading Innovators in Broadband & Energy Solutions \| 72 Years of Engineering Excellence \| Empowering Communities with Cutting-Edge Infrastructure.” Source: RevenueBase Database · checked Sep 21, 2026
22	Glotel, INC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	219 contacts →
	Partial evidence “Founded in 1989, Glotel opened its doors as a telecom staffing provider.” Source: RevenueBase Database · checked Sep 21, 2026
23	Trileaf Corporation	Indirect evidence	St Louis, MO, United StatesHQ checked Sep 21, 2026	201-500	211 contacts →
	Indirect evidence “Quality work and quick responses - Trileaf gives you both.” Source: RevenueBase Database · checked Sep 21, 2026
24	Advantage Communications Group	Indirect evidence	Port Washington, NY, United StatesHQ checked Sep 21, 2026	51-200	198 contacts →
	Indirect evidence “Advantage mitigates the complexity of navigating a constantly evolving IT landscape.” Source: RevenueBase Database · checked Sep 21, 2026
25	GCB Services	Partial evidence	Mclean, VA, United StatesHQ checked Sep 21, 2026	201-500	181 contacts →
	Partial evidence “GCB headquartered in Virginia is one of the premier independent providers of engineering & Information Technology services to the wireless telecom and IT industry.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecom consulting companies.
Partial evidence: Its own public description names part of telecom consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,265 telecom consulting companies based in the United States

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Telecom consulting companies based in the United States at a glance

As of Sep 21, 2026

31.2%Verified-email coverage

17.2Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

1,185

11-50

738

51-200

246

201-500

501-1,000

1,001-5,000

5,001-10,000

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 2,265 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 telecom consulting 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 the United States whose own description of what they do matches “telecom consulting 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 telecom consulting 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 telecom consulting companies, and records with no verified work email. Companies headquartered outside United States 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, 12,164 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.

Telecom consulting companies by metro

Telecom consulting companies in New York50
Telecom consulting companies in Dallas36
Telecom consulting companies in Houston35
Telecom consulting companies in Miami32
Telecom consulting companies in Plano30
Telecom consulting companies in Austin29
Telecom consulting companies in Atlanta28
Telecom consulting companies in Denver28
Telecom consulting companies in Chicago26

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 telecom consulting 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 telecom consulting companies are there based in the United States?

RevenueBase identified 2,265 telecom consulting companies headquartered in the 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?

LCC, headquartered in Mclean, tops this list with the largest team on record.

Which city has the most telecom consulting companies?

New York leads with 50 headquartered companies, followed by Dallas (36) and Houston (35).

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 12,164 verified decision-maker contacts tracked across these 2,265 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.