Company lists · Data refreshed September 2026
Top 25 Telecom business consulting companies based in the United States
RevenueBase identified 2,666 telecom business consulting companies headquartered in 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 telecom business 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 19, 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.
The 25 largest telecom business consulting companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 39,870 contacts → | ||||
Indirect evidence “Thanks for everything!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 6,379 contacts → | ||||
Indirect evidence “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,270 contacts → | ||||
Partial evidence “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,193 contacts → | ||||
Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,119 contacts → | ||||
Partial evidence “We are an innovative telecommunications company with a nationwide footprint and a passion for empowering the small businesses that power the communities we serve.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 816 contacts → | ||||
Indirect evidence “Our world is increasing in complexity.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 432 contacts → | ||||
Indirect evidence “VCTI is a world class leader in network technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 426 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 308 contacts → | ||||
Indirect evidence “Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 290 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 264 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 260 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 223 contacts → | ||||
Indirect evidence “The urgent need for technology to solve business problems more efficiently, decrease costs, and mitigate risk has increased.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 219 contacts → | ||||
Partial evidence “Founded in 1989, Glotel opened its doors as a telecom staffing provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 210 contacts → | ||||
Indirect evidence “Empower your business with fast, secure, and reliable connectivity solutions-all with the flexibility and support you deserve.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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 business 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 business consulting companies.
- Partial evidence
- Its own public description names part of telecom business 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 business 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 2,666 telecom business consulting companies based in the United States
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Telecom business consulting companies based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom business 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 business 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 business 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 business 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, 12,799 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 19, 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 business consulting companies by metro
- Telecom business consulting companies in New York84
- Telecom business consulting companies in Dallas48
- Telecom business consulting companies in Houston43
- Telecom business consulting companies in Miami41
- Telecom business consulting companies in Austin39
- Telecom business consulting companies in Atlanta38
- Telecom business consulting companies in Chicago35
- Telecom business consulting companies in Denver34
- Telecom business consulting companies in Los Angeles29
- Telecom business consulting companies in San Diego27
- Telecom business consulting companies in Washington26
- Telecom business consulting companies in Plano25
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 business 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 business consulting companies are there based in the United States?
RevenueBase identified 2,666 telecom business 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?
Sprint, headquartered in Overland Park, tops this list with the largest team on record.
Which city has the most telecom business consulting companies?
New York leads with 84 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 12,799 verified decision-maker contacts tracked across these 2,666 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 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 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.
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