Company lists · Data refreshed November 2026

Top 25 Antitrust litigation firms based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 1,301 companies tracked

RevenueBase identified 1,301 company matches for antitrust litigation firms associated with the United States as of November 2026 and tracks 26,306 professional contacts across them, including 14,672 with verified work emails. New York is the largest hub.

This list covers company matches for antitrust litigation firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

1,301Companies

26,306Contacts tracked

14,672Verified emails

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The 25 largest antitrust litigation firms based in the United States

Ranked by team size

Top 25 of 1,301 company matches for antitrust litigation firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Brownstein Hyatt Farber Schreck	Exact match	Denver, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	941 contacts →
	Exact match “For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Parker POE Adams & Bernstein LLP	Exact match	Charlotte, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	631 contacts →
	Exact match “Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Wiley Rein LLP	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	501-1,000	601 contacts →
	Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bowman And Brooke	Exact match	Minneapolis, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	567 contacts →
	Exact match “Bowman and Brooke LLP is a nationally recognized trial firm with one of the largest product liability practices in the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Williams & Connolly LLP	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	501-1,000	493 contacts →
	Exact match “Williams & Connolly is recognized as one of the world’s premier litigation firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Keystone	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	489 contacts →
	Exact match “Keystone is an innovative strategy, economics, and technology consulting firm delivering transformative ideas and novel solutions to global brands and law firms on leading-edge…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Susman Godfrey LLP	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	201-500	423 contacts →
	Exact match “Susman Godfrey is America’s premier litigation boutique.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Singleton Schreiber	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	201-500	366 contacts →
	Exact match “This page contains attorney advertising.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Robbins Geller Rudman & Dowd LLP	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	201-500	343 contacts →
	Exact match “Robbins Geller Rudman & Dowd LLP is one of the world’s leading complex class action firms representing plaintiffs in securities fraud, antitrust, breach of fiduciary duty…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Galloway Johnson Tompkins Burr & Smith	Exact match	New Orleans, AL, United StatesHQ recorded Nov 6, 2026	201-500	340 contacts →
	Exact match “Galloway Johnson Tompkins Burr & Smith stands ready as a premier corporate defense and litigation firm in the Gulf South and Midwest to be your strategic advisor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Mckool Smith	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	201-500	333 contacts →
	Exact match “With 130 trial lawyers across offices in Austin, Dallas, Houston, Los Angeles, Marshall, New York, and Washington, D.C, McKool Smith has established a reputation as one of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Howrey LLP	Exact match	Washington, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	305 contacts →
	Exact match “Founded in 1956, Howrey LLP existed as a global law firm, focused on antitrust, intellectual property and global litigation, with offices throughout the United States and Europe…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Hausfeld	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	289 contacts →
	Exact match “Hausfeld successfully resolves disputes for its clients, driven by its bold approach and pioneering experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Keker, VAN Nest & Peters LLP	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	51-200	259 contacts →
	Exact match “Keker, Van Nest & Peters is a trial-practice litigation firm located in San Francisco.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Wheeler Trigg O'donnell LLP	Exact match	Denver, CO, United StatesHQ recorded Nov 6, 2026	201-500	252 contacts →
	Exact match “Wheeler Trigg O’Donnell lawyers have taken more than 1,300 trials, arbitrations, and appeals to verdict, award, or opinion in 45 states and Washington, D.C, with exceptional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Cohen Milstein Sellers & Toll LLP	Exact match	Washington, FL, United StatesHQ recorded Nov 6, 2026	51-200	252 contacts →
	Exact match “Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Kellogg, Hansen, Todd, Figel & Frederick Pllc	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	235 contacts →
	Exact match “Kellogg Hansen works in complex trial and appellate litigation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Labaton Keller Sucharow LLP	Exact match	New York, DE, United StatesHQ recorded Nov 6, 2026	51-200	217 contacts →
	Exact match “With more than 60 years of experience, Labaton Keller Sucharow stands as a tenacious advocate for investors and consumers, having secured billions of dollars in landmark…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Forman Watkins & Krutz LLP	Exact match	Jackson, LA, United StatesHQ recorded Nov 6, 2026	201-500	216 contacts →
	Exact match “Forman Watkins & Krutz LLP is one of the nation's most respected trial law firms, representing prominent corporate clients in multi-district tort claims as well as other…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Milberg	Exact match	Puerto Rico, United StatesHQ recorded Nov 6, 2026	51-200	205 contacts →
	Exact match “For over 50 years, Milberg and its affiliates have been protecting victims’ rights and have recovered over $50 billion for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Selendy GAY Pllc	Exact match	New York, United StatesHQ recorded Nov 6, 2026	51-200	200 contacts →
	Exact match “Selendy Gay's practice is dedicated to excellence in commercial litigation, investigations, appellate advocacy, and arbitration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Zelle LLP	Exact match	Minneapolis, NY, United StatesHQ recorded Nov 6, 2026	51-200	192 contacts →
	Exact match “Zelle LLP is an international litigation and dispute resolution law firm with offices in Atlanta, Boston, Dallas, Fort Lauderdale, London, Minneapolis, New York, Oakland…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Kessler Topaz Meltzer & Check, LLP	Exact match	Radnor, CA, United StatesHQ recorded Nov 6, 2026	51-200	185 contacts →
	Exact match “Kessler Topaz Meltzer & Check, LLP is one of the largest firms in the world specializing in the prosecution of complex litigation on a contingent basis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Grant & Eisenhofer P.A	Exact match	Wilmington, CA, United StatesHQ recorded Nov 6, 2026	51-200	185 contacts →
	Exact match “Grant & Eisenhofer P.A.(“G&E”) concentrates on complex financial litigation, focusing on U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Berger Montague	Exact match	Philadelphia, MN, United StatesHQ recorded Nov 6, 2026	51-200	179 contacts →
	Exact match “Berger Montague is one of the nation’s preeminent law firms focusing on complex civil litigation, class actions, and mass torts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “antitrust litigation firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,301 antitrust litigation firms based in the United States

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Antitrust litigation firms based in the United States at a glance

As of Nov 6, 2026

55.8%Verified-email coverage

20.2Average contacts per company

1-10Median size (employees)

9.2%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

727

11-50

439

51-200

111

201-500

501-1,000

1,001-5,000

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 1,301 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “antitrust litigation firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 14,672 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Antitrust litigation firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “antitrust litigation firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many antitrust litigation firms are there based in the United States?

RevenueBase identified 1,301 company matches for antitrust litigation firms associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Brownstein Hyatt Farber Schreck tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most antitrust litigation firms?

New York leads with 120 company records, followed by Los Angeles (62) and Chicago (57).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 14,672 professional contacts with verified work emails tracked across these 1,301 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 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 SmartSearch, 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.