Company lists · Data refreshed September 2026

Top 25 Healthcare antitrust law firms based in Washington, United States

Name: Healthcare antitrust law firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 35 companies tracked

RevenueBase identified 35 company matches for healthcare antitrust law firms associated with Washington, United States as of September 2026 and tracks 3,247 professional contacts across them, including 2,120 with verified work emails. Across the United States, New York is the largest hub for this category (57 companies); Washington has 35.

This list covers company matches for healthcare antitrust law firms associated with Washington, 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 September 28, 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 Sep 28, 2026 How this list was built

35Companies

3,247Contacts tracked

2,120Verified emails

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The 25 largest healthcare antitrust law firms based in Washington, United States

Ranked by team size

Top 25 of 35 company matches for healthcare antitrust law firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,790 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Wiley Rein LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	576 contacts →
	Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Kellogg, Hansen, Todd, Figel & Frederick Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	211 contacts →
	Exact match “Kellogg Hansen works in complex trial and appellate litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Zuckerman Spaeder LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	155 contacts →
	Exact match “Zuckerman Spaeder LLP is consistently recognized as a leading national litigation boutique.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Hollingsworth LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	112 contacts →
	Exact match “Hollingsworth LLP is among the nation’s leading litigation firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Powers LAW	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	101 contacts →
	Exact match “Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Olsson Frank Weeda Terman Matz PC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	49 contacts →
	Exact match “Olsson Frank Weeda Terman Matz PC The nation’s premier FDA, USDA, and health care law firm, serving clients before federal agencies, courts, and Congress.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Tiber Hudson LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Rule Garza Howley LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Rule Garza Howley LLP provides sophisticated antitrust advice and representation, drawing on a proven track record of more than four decades of successful outcomes with the DOJ…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Stein Mitchell Beato & Missner LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	26 contacts →
	Exact match “Stein Mitchell Beato & Missner LLP is a law firm located in Washington, D.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Liles Parker Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Liles Parker PLLC is a full service law firm that focuses its practice in the regulatory health law space.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Eyman Partners, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “At Eyman Partners, we share a passion for addressing the issues that shape our health care system, and a commitment to our clients engaged in transforming that system and making…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Baker & Miller Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Baker & Miller PLLC was founded in 1995 to provide sophisticated antitrust advice to a broad range of commercial clients and other law firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Mills Black LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Mills Black LLP’s practice focuses on all aspects of health care and maritime law and practice, including transactional, regulatory, and litigation matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Feldesman Leifer LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Kotchen & LOW LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Kotchen & Low LLP is a litigation boutique that focuses on commercial litigation, employment discrimination, antitrust, class actions, and patent infringement litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Oliver-Zhang LAW	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Oliver-Zhang law is built upon the drive to remedy injustice and help those in need.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	LAWMD	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match “Doctors in the Courtroom, Fighting for the Injured Nationwide Medical malpractice claims can be wrought with incredible complexity, but chances are that there are few or none who…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	G2z LAW Group, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “At G2Z Law Group, PLLC, our attorneys counsel clients in different aspects of Health Law, including, healthcare regulations, licensing or certification of providers, relations…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Moginrubin LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	1 contacts →
	Exact match “MoginRubin is a competition law firm prepared to meet the most demanding challenges in litigation, strategic counseling, and policy advocacy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Penn Avenue LAW & Policy	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Penn Avenue Law & Policy is proudly focused on select areas of FDA law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Douglas & Boykin, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “The Washington, DC litigation and government relations law firm of Douglas & Boykin, PLLC operates in a dynamic atmosphere where client priorities are paramount and winning…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Highbridge LAW Firm	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “HBL Business Attorneys empowers small to mid-cap technology and healthcare companies by delivering timely, focused, and exceptional counseling and legal services in litigation…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Kressin Meador LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “We are a boutique antitrust law firm focused on helping our clients anticipate and respond to the rapid developments in antitrust law and competition policy-including through…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Lanton, Lanton & Sosa LAW Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Where innovators in healthcare, tech and clean energy come for advice.” Recorded in the RevenueBase company graph · Sep 28, 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 “healthcare antitrust law 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 35 healthcare antitrust law firms based in Washington, United States

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Healthcare antitrust law firms based in Washington, United States at a glance

As of Sep 28, 2026

65.3%Verified-email coverage

92.8Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 35 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 Washington, United States whose business descriptions match “healthcare antitrust law 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 2,120 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 September 28, 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.

Healthcare antitrust law firms by metro in the United States

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 “healthcare antitrust law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare antitrust law firms are there based in Washington, United States?

RevenueBase identified 35 company matches for healthcare antitrust law firms associated with Washington, United States as of September 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?

Venable LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most healthcare antitrust law firms?

New York leads the United States with 57 company records, followed by Los Angeles (38) and Chicago (35). Washington has 35.

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 2,120 professional contacts with verified work emails tracked across these 35 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 September 28, 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.