Company lists · Data refreshed September 2026

Top 25 Enterprise telecom consulting companies based in the United States

RevenueBase identified 3,389 enterprise telecom consulting companies headquartered in the United States as of September 2026 and tracks 46,395 professional contacts across them, including 13,623 with verified work emails and 15,492 with mobile numbers. New York is the largest hub.

This list covers enterprise 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 2, 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 RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review
3,389Companies
46,395Contacts tracked
13,623Verified emails
15,492Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

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

Ranked by team size
Top 25 of 3,389 enterprise telecom consulting companies based in the United States, ranked by team size, largest first. Data refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceNew York, NY, United States201-5001,109 contacts →

Partial evidence

“Zinnov is a full-stack global management consulting firm specializing in GCC set-up and scale-up, M&A, PE advisory, AI strategy, and partner ecosystem growth for technology…”

Source: RevenueBase Database · checked Sep 2, 2026
2Partial evidenceIron Mountain, MI, United States1,001-5,0001,082 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 2, 2026
3Indirect evidenceFaribault, MN, United States1,001-5,000972 contacts →

Indirect evidence

“KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.”

Source: RevenueBase Database · checked Sep 2, 2026
4Partial evidenceWilmington, DE, United States501-1,000822 contacts →

Partial evidence

“Numen is an international consultancy specialized in enterprise technologies.”

Source: RevenueBase Database · checked Sep 2, 2026
5Indirect evidenceBothell, WA, United States1,001-5,000811 contacts →

Indirect evidence

“Our world is increasing in complexity.”

Source: RevenueBase Database · checked Sep 2, 2026
6Indirect evidencePlano, TX, United States501-1,000603 contacts →

Indirect evidence

“Cprime brings business into a new light, illuminating possibilities that once seemed hidden.”

Source: RevenueBase Database · checked Sep 2, 2026
7Partial evidenceSan Diego, CA, United States501-1,000557 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 2, 2026
8Indirect evidenceSpanish Fort, AL, United States501-1,000420 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 2, 2026
9Indirect evidenceHerndon, VA, United States501-1,000406 contacts →

Indirect evidence

“Leveraging a powerful combination of expertise, round-the-clock availability, and extensive technical resources for over 40 years!”

Source: RevenueBase Database · checked Sep 2, 2026
10Partial evidenceChicago, IL, United States201-500389 contacts →

Partial evidence

“SDI Presence LLC is an IT consultancy and managed services provider (MSP) that leverages its strong team presence to advance our clients to a secure digital enterprise.”

Source: RevenueBase Database · checked Sep 2, 2026
11Partial evidenceTacoma, WA, United States201-500363 contacts →

Partial evidence

“With three decades of expertise in the enterprise communications space, Continuant stands out as a seasoned Managed Services Provider, Systems Integrator, and Technology…”

Source: RevenueBase Database · checked Sep 2, 2026
12Strong evidenceHuron, SD, United States501-1,000344 contacts →

Strong evidence

“Vantage Point is a premier engineering and consulting firm serving the broadband, energy, enterprise, and banking industries.”

Source: RevenueBase Database · checked Sep 2, 2026
13Partial evidenceTempe, AZ, United States201-500344 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 2, 2026
14Strong evidenceSomerset, NJ, United States201-500298 contacts →

Strong evidence

“Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…”

Source: RevenueBase Database · checked Sep 2, 2026
15Indirect evidenceEagan, MN, United States501-1,000252 contacts →

Indirect evidence

“As the leading global integrator of business communication solutions and services since 1993, NACR has been a trusted advisor to more than 40% of the Fortune 100 companies…”

Source: RevenueBase Database · checked Sep 2, 2026
16Indirect evidenceBismarck, ND, United States201-500239 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 2, 2026
17Partial evidenceChicago, IL, United States201-500219 contacts →

Partial evidence

“Founded in 1989, Glotel opened its doors as a telecom staffing provider.”

Source: RevenueBase Database · checked Sep 2, 2026
18Partial evidenceMiami, FL, United States501-1,000217 contacts →

Partial evidence

“We are an engineering services company specialized in telecom networks, created to deliver efficient customized solutions to our customers.”

Source: RevenueBase Database · checked Sep 2, 2026
19Partial evidencePort Matilda, PA, United States201-500204 contacts →

Partial evidence

“Mission Critical Partners (MCP) is a leading provider of consulting, data integration, network, and cybersecurity solutions.”

Source: RevenueBase Database · checked Sep 2, 2026
20Partial evidenceRoma, United States501-1,000185 contacts →

Partial evidence

“Connettiamo persone, sistemi, strutture, oggetti sviluppando impianti di rete e telecomunicazione integrati.”

Source: RevenueBase Database · checked Sep 2, 2026
21Partial evidenceRochester, NY, United States201-500184 contacts →

Partial evidence

“Established in New York Technology Partners is a global IT and Engineering consulting services company with 250+ employees on staff in the US and over $30 million in revenues.”

Source: RevenueBase Database · checked Sep 2, 2026
22Indirect evidenceAlpharetta, GA, United States201-500184 contacts →

Indirect evidence

“Engineering Associates provides professional OSP, FTTH, & Wireless engineering design and support services for many of the most sophisticated and demanding users of…”

Source: RevenueBase Database · checked Sep 2, 2026
23Partial evidenceMclean, VA, United States201-500181 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 2, 2026
24Indirect evidenceOrlando, FL, United States201-500178 contacts →

Indirect evidence

“Amphenol Custom Cable is a leading connectivity company with national presence and global distribution.”

Source: RevenueBase Database · checked Sep 2, 2026
25Indirect evidencePlano, TX, United States201-500147 contacts →

Indirect evidence

“While technology is critical for every business, it’s also complex and ever changing, often making it difficult to manage.”

Source: RevenueBase Database · checked Sep 2, 2026

Showing 25 of 3,389 enterprise telecom consulting companies based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 13,623 reachable decision-makers.

Free signup · no credit card

View the full list →

Enterprise telecom consulting companies based in the United States at a glance

As of Sep 2, 2026
29.4%Verified-email coverage
33.4%Mobile-number coverage
13.7Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · New York
Sep 2, 2026Page data refreshed

Companies by employee count

1-10
1,850
11-50
1,099
51-200
337
201-500
62
501-1,000
23
1,001-5,000
10

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 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 “enterprise 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 enterprise 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 enterprise 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, 13,623 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 2, 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 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 enterprise telecom consulting companies are there based in the United States?

RevenueBase identified 3,389 enterprise 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?

Zinnov, headquartered in New York, tops this list with the largest team on record.

Which city has the most enterprise telecom consulting companies?

New York leads with 110 headquartered companies, followed by Houston (72) and Dallas (60).

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 13,623 verified decision-maker contacts tracked across these 3,389 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 2, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,389 enterprise telecom consulting companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.