Company lists · Data refreshed September 2026

Top 25 Pharmaceutical research companies based in the United States

Name: Pharmaceutical research companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 675 companies tracked

RevenueBase identified 675 company matches for pharmaceutical research companies associated with the United States as of September 2026 and tracks 329,377 professional contacts across them, including 124,989 with verified work emails. Boston is the largest hub.

This list covers company matches for pharmaceutical research companies 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 September 17, 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 17, 2026 How this list was built

675Companies

329,377Contacts tracked

124,989Verified emails

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The 25 largest pharmaceutical research companies based in the United States

Ranked by team size

Top 25 of 675 company matches for pharmaceutical research companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Pfizer	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	10001+	88,560 contacts →
	Exact match “We’re celebrating over 175 years of daring scientific innovation-and we’re not done yet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	ELI Lilly And Company	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 17, 2026	10001+	49,409 contacts →
	Exact match “We're a medicine company turning science into healing to make life better for people around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	AMGEN	Exact match	Thousand Oaks, CA, United StatesHQ recorded Sep 17, 2026	10001+	33,433 contacts →
	Exact match “Amgen harnesses the best of biology and technology to fight the world’s toughest diseases, and make people’s lives easier, fuller and longer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Johnson & Johnson Innovative Medicine	Exact match	Titusville, NJ, United StatesHQ recorded Sep 17, 2026	10001+	26,637 contacts →
	Exact match “At Johnson & Johnson Innovative Medicine, we innovate with purpose, to lead where medicine is going.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Genentech	Exact match	South San Francisco, CA, United StatesHQ recorded Sep 17, 2026	10001+	17,217 contacts →
	Exact match “About Genentech We're passionate about finding solutions for people facing the world's most difficult-to-treat conditions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Regeneron	Exact match	Tarrytown, NY, United StatesHQ recorded Sep 17, 2026	10001+	16,043 contacts →
	Exact match “At Regeneron we believe that when the right idea finds the right team, powerful change is possible.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Charles River Laboratories	Exact match	Wilmington, MA, United StatesHQ recorded Sep 17, 2026	10001+	14,166 contacts →
	Exact match “At Charles River, we are guided by our strong purpose-to create healthier lives-which centers around the patients who rely on the therapeutics we help to develop, the animals in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Biogen	Exact match	Cambridge, MA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	10,389 contacts →
	Exact match “Founded in 1978, Biogen is a leading biotechnology company that pioneers innovative science to deliver new medicines to transform patients’ lives and to create value for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Daiichi Sankyo US	Exact match	Basking Ridge, NJ, United StatesHQ recorded Sep 17, 2026	10001+	3,973 contacts →
	Exact match “At Daiichi Sankyo, we create essential medicine for longer, better lives.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Premier Research	Exact match	Morrisville, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,584 contacts →
	Exact match “Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Eisai US	Exact match	Nutley, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,570 contacts →
	Exact match “At Eisai Inc, human health care (hhc) is our goal.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Propharma	Exact match	Raleigh, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,079 contacts →
	Exact match “At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Syneos Health Clinical Solutions	Exact match	Morrisville, NC, United StatesHQ recorded Sep 17, 2026	10001+	1,569 contacts →
	Exact match “Syneos Health® is a leading fully integrated biopharmaceutical solutions organization built to accelerate customer success.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Insmed Incorporated	Exact match	Bridgewater Township, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,512 contacts →
	Exact match “Insmed is a people-rst global biopharmaceutical company striving to deliver rst- and best-in-class therapies to transform the lives of patients facing serious diseases.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Bioagilytix	Exact match	Durham, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	915 contacts →
	Exact match “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	MJH Life Sciences	Exact match	Monroe, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	885 contacts →
	Exact match “MJH Life Sciences® advances clinical progress in health care by creating strategic engagements between pharma and biotech innovators, expert knowledge leaders and practicing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Purdue Pharma L.P	Exact match	Stamford, CT, United StatesHQ recorded Sep 17, 2026	501-1,000	885 contacts →
	Exact match “Purdue and its subsidiaries develop, manufacture and market medications to meet the evolving needs of healthcare professionals, patients, and caregivers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Azurity Pharmaceuticals	Exact match	Woburn, MA, United StatesHQ recorded Sep 17, 2026	501-1,000	790 contacts →
	Exact match “Azurity Pharmaceuticals is a privately held global pharmaceutical company dedicated to redefining medicine for the real world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Cencora Pharma Solutions	Exact match	Conshohocken, PA, United StatesHQ recorded Sep 17, 2026	10001+	771 contacts →
	Exact match “At Cencora, we are investing and innovating alongside our pharma customers to unlock their product’s potential.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Frontage Laboratories, INC	Exact match	Exton, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	727 contacts →
	Exact match “Frontage Laboratories is a US-based Contract Research Organization (CRO) that was initially established in New Jersey in April 2001 and later relocated to Pennsylvania in 2004.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Arrowhead Pharmaceuticals	Exact match	Pasadena, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	657 contacts →
	Exact match “Arrowhead Pharmaceuticals is a clinical stage, Nasdaq listed (ticker ARWR) company developing medicines that treat intractable diseases by silencing the genes that cause them.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Fisher Clinical Services	Exact match	Waltham, MA, United StatesHQ recorded Sep 17, 2026	10001+	611 contacts →
	Exact match “Thermo Fisher Scientific provides industry-leading pharma services solutions for drug development, clinical trial logistics, and commercial manufacturing to customers through our…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Amag Pharmaceuticals	Exact match	Waltham, MA, United StatesHQ recorded Sep 17, 2026	201-500	548 contacts →
	Exact match “At AMAG, aiming higher is in our DNA.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Open Health	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	1,001-5,000	531 contacts →
	Exact match “At OPEN Health, we connect visionary minds, pioneering science, and advanced technology to drive real impact.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	PHRMA	Exact match	Washington, DC, United StatesHQ recorded Sep 17, 2026	201-500	514 contacts →
	Exact match “We represent America’s innovative biopharmaceutical research & biotechnology companies, advocating for policies that support the discovery of new medicines and ensure broad…” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical research companies”. 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 675 pharmaceutical research companies based in the United States

See the full list, filter by size, metro and specialty, and access 124,989 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmaceutical research companies based in the United States at a glance

As of Sep 17, 2026

37.9%Verified-email coverage

488.0Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · Boston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

261

11-50

218

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 675 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 “pharmaceutical research companies” 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 124,989 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 17, 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.

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 “pharmaceutical research companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical research companies are there based in the United States?

RevenueBase identified 675 company matches for pharmaceutical research companies associated with the 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?

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

Which city has the most pharmaceutical research companies?

Boston leads with 24 company records, followed by New York (22) and San Diego (19).

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 124,989 professional contacts with verified work emails tracked across these 675 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 17, 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.