Company lists · Data refreshed September 2026

Top 25 Telecommunications law firms based in the United States

RevenueBase identified 967 telecommunications law firms headquartered in the United States as of September 2026 and tracks 34,966 professional contacts across them, including 21,361 with verified work emails and 19,153 with mobile numbers. New York is the largest hub.

This list covers telecommunications law firms 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 6, 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 6, 2026 86% judged on-target in blind review
967Companies
34,966Contacts tracked
21,361Verified emails
19,153Mobile numbers
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The 25 largest telecommunications law firms based in the United States

Ranked by team size
Top 25 of 967 telecommunications law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications law firms: 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
1Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261,001-5,0002,746 contacts →

“Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.”

Source: company website · checked Sep 6, 2026
2Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261,001-5,0002,333 contacts →

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Source: company website · checked Sep 6, 2026
3Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 6, 20261,001-5,0002,041 contacts →

“Dechert is the law firm that helps business leaders lead.”

Source: company website · checked Sep 6, 2026
4Partial evidenceNew York, NY, United StatesHQ checked Sep 6, 20261,001-5,0001,949 contacts →

“Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.”

Source: company website · checked Sep 6, 2026
5Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261,001-5,0001,790 contacts →

“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…”

Source: company website · checked Sep 6, 2026
6Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 6, 20261,001-5,0001,682 contacts →

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Source: company website · checked Sep 6, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261,001-5,0001,602 contacts →

“Crowell & Moring is an international law firm with operations in the United States, Europe, MENA, and Asia.”

Source: company website · checked Sep 6, 2026
8Indirect evidenceDetroit, MI, United StatesHQ checked Sep 6, 20261,001-5,0001,343 contacts →

“At Clark Hill, our value proposition is simple.”

Source: company website · checked Sep 6, 2026
9Partial evidencePittsburgh, PA, United StatesHQ checked Sep 6, 2026501-1,0001,197 contacts →

“Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…”

Source: company website · checked Sep 6, 2026
10Partial evidenceChicago, IL, United StatesHQ checked Sep 6, 2026501-1,0001,188 contacts →

“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.”

Source: company website · checked Sep 6, 2026
11Partial evidenceDenver, CO, United StatesHQ checked Sep 6, 2026501-1,000902 contacts →

“For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.”

Source: company website · checked Sep 6, 2026
12Partial evidenceNew York, NY, United StatesHQ checked Sep 6, 2026501-1,000690 contacts →

“Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…”

Source: company website · checked Sep 6, 2026
13Indirect evidenceIrvine, CA, United StatesHQ checked Sep 6, 2026501-1,000606 contacts →

“Knobbe Martens protects the ideas that drive innovation and propel our world forward.”

Source: company website · checked Sep 6, 2026
14Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 6, 2026501-1,000584 contacts →

“Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.”

Source: company website · checked Sep 6, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 2026501-1,000576 contacts →

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Source: company website · checked Sep 6, 2026
16Indirect evidenceRiverside, CA, United StatesHQ checked Sep 6, 2026201-500522 contacts →

“Best Best & Krieger serves as a trusted partner and strategist to public and private sector clients across the nation.”

Source: company website · checked Sep 6, 2026
17Partial evidenceBuffalo, NY, United StatesHQ checked Sep 6, 2026201-500414 contacts →

“Lippes Mathias is a full-service law firm with 230 attorneys serving clients regionally, nationally, and internationally.”

Source: company website · checked Sep 6, 2026
18Partial evidenceCleveland, OH, United StatesHQ checked Sep 6, 2026201-500402 contacts →

“McDonald Hopkins is an entrepreneurial law firm founded in 1930 on practical Midwestern business values that are as relevant today as when we first began.”

Source: company website · checked Sep 6, 2026
19Indirect evidencePortland, OR, United StatesHQ checked Sep 6, 2026201-500398 contacts →

“We focus our practices by industry, so you can access legal services based on your unique needs in today’s economy.”

Source: company website · checked Sep 6, 2026
20Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 6, 2026201-500336 contacts →

“For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…”

Source: company website · checked Sep 6, 2026
21Partial evidenceHarrisburg, PA, United StatesHQ checked Sep 6, 2026201-500307 contacts →

“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.”

Source: company website · checked Sep 6, 2026
22Partial evidenceMadison, NJ, United StatesHQ checked Sep 6, 2026201-500267 contacts →

“Riker Danzig LLP is a full-service law firm that has served the business community for 140 years.”

Source: company website · checked Sep 6, 2026
23Indirect evidenceCharleston, SC, United StatesHQ checked Sep 6, 2026201-500264 contacts →
Source: company website · checked Sep 6, 2026
24Partial evidencePortland, ME, United StatesHQ checked Sep 6, 2026201-500245 contacts →

“We are a New England-based law firm that advises clients across the U.S.”

Source: company website · checked Sep 6, 2026
25Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 6, 202651-200193 contacts →

“Klehr Harrison Harvey Branzburg LLP is a dynamic law firm known in the business, financial and legal communities for its aggressive and creative problem-solving skills.”

Source: company website · checked Sep 6, 2026

Showing 25 of 967 telecommunications law firms based in the United States

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Telecommunications law firms based in the United States at a glance

As of Sep 6, 2026
61.1%Verified-email coverage
54.8%Mobile-number coverage
36.2Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
632
11-50
237
51-200
65
201-500
14
501-1,000
8
1,001-5,000
9

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 telecommunications law firms, 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 “telecommunications law firms”. 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 telecommunications law firms), 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 telecommunications law firms, 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, 21,361 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 6, 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 telecommunications law firms, 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 telecommunications law firms are there based in the United States?

RevenueBase identified 967 telecommunications law firms 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?

Perkins Coie, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most telecommunications law firms?

New York leads with 54 headquartered companies, followed by Washington (49) and Chicago (25).

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 21,361 verified decision-maker contacts tracked across these 967 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 6, 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.