Company lists · Data verified August 2026

Top 25 Communications law firms based in the United States

Name: Communications law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 342 companies tracked

There are 342 communications law firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 9,242 professional contacts across them, including 5,672 with verified work emails and 5,240 with mobile numbers. Washington is the largest hub.

This list covers communications 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. Data current as of August 28, 2026.

342Companies

9,242Contacts tracked

5,672Verified emails

5,240Mobile numbers

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The 25 largest communications law firms based in the United States

Ranked by team size

Top 25 of 342 communications law firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Venable LLP	Washington, DC	1,001-5,000	1,791	1,184
2	Ballard Spahr LLP	Washington D.C., DC	1,001-5,000	1,720	1,097
3	Crowell & Moring	Chicago, IL	1,001-5,000	1,626	1,053
4	Wiley Rein LLP	Washington, DC	501-1,000	576	395
5	Riker Danzig LLP	New York, NY	201-500	266	211
6	Bernstein Shur	Manchester, NH	201-500	253	165
7	Babst Calland	Lakewood, NY	51-200	192	126
8	Nexsen Pruet, NOW Maynard Nexsen	Columbia, SC	501-1,000	185	84
9	Sheehan Phinney Bass & Green PA	Manchester, NH	51-200	147	90
10	Wilkinson Barker Knauer, LLP	Denver, CO	51-200	137	108
11	Halloran Sage	Washington, DC	51-200	111	77
12	ORR & Reno	Concord, NH	51-200	76	58
13	DOW Lohnes	Washington, DC	201-500	73	6
14	HWG LLP	Washington, DC	51-200	71	52
15	Barakat Bossa	Coral Gables, FL	51-200	67	38
16	Rees Broome, PC	Tysons Corner, VA	51-200	65	54
17	Mackenzie Hughes LLP	Syracuse, NY	51-200	60	35
18	Cowan, Debaets, Abrahams & Sheppard LLP	New York, NY	51-200	46	31
19	Mavacy	Plymouth, MI	11-50	30	24
20	Spiegel & Mcdiarmid LLP	Washington, DC	11-50	29	17
21	Marichal Hernández LLC	Guaynabo	11-50	29	5
22	Troutman Amin LLP	Irvine, CA	11-50	27	15
23	Harrang Long P.C	Eugene, OR	11-50	27	10
24	Duncan, Weinberg, Genzer & Pembroke, P.C. Dwgp	Washington, DC	11-50	27	3
25	TMG	Coral Gables, FL	11-50	25	12

Showing 25 of 342 communications law firms based in the United States

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Communications law firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

WashingtonLargest hub · 30 HQs

5,240Contacts with mobile numbers

22Emails re-verified in last 30 days

Companies by employee count

1-10

224

11-50

51-200

201-500

501-1,000

1,001-5,000

Communications law firms by metro

Metro	Companies
Communications law firms in Washington	30
Communications law firms in New York	20
Communications law firms in Los Angeles	17
Communications law firms in Chicago	8
Communications law firms in Dallas	7
Communications law firms in San Francisco	6
Communications law firms in Houston	5
Communications law firms in Austin	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “communications law firms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 22 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many communications law firms are there based in the United States?

There are 342 communications law firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Venable LLP, headquartered in Washington, tops this list with the largest team on record.

Which city has the most communications law firms?

Washington leads with 30 headquartered companies, followed by New York (20) and Los Angeles (17).

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 5,672 verified decision-maker contacts tracked across these 342 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.