Company lists · Data refreshed September 2026

Top 25 Drug development and research companies based in the United States

RevenueBase identified 1,862 company matches for drug development and research companies associated with the United States as of September 2026 and tracks 430,439 professional contacts across them, including 172,227 with verified work emails. San Diego is the largest hub.

This list covers company matches for drug development and 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 19, 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 19, 2026 How this list was built
1,862Companies
430,439Contacts tracked
172,227Verified emails
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The 25 largest drug development and research companies based in the United States

Ranked by team size
Top 25 of 1,862 company matches for drug development and research companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
3Exact matchThousand Oaks, CA, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
4Exact matchTitusville, NJ, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
5Exact matchWaltham, MA, United StatesHQ recorded Sep 19, 202610001+20,530 contacts →

Exact match

“The PPD™ clinical research business of Thermo Fisher Scientific, the world leader in serving science, enables customers to accelerate innovation and drug development through…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchSouth San Francisco, CA, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
7Exact matchTarrytown, NY, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
8Exact matchWilmington, MA, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
9Exact matchFoster City, CA, United StatesHQ recorded Sep 19, 202610001+13,864 contacts →

Exact match

“At Gilead, we set – and achieve – bold ambitions to create a healthier world for all people.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchCambridge, MA, United StatesHQ recorded Sep 19, 20265,001-10,00010,389 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 19, 2026 · View company records in RevenueBase
11Exact matchCincinnati, OH, United StatesHQ recorded Sep 19, 20265,001-10,0005,960 contacts →

Exact match

“Medpace is a scientifically-driven, global, full-service clinical contract research organization (CRO) providing Phase I-IV clinical development services to the biotechnology…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchPrinceton, NJ, United StatesHQ recorded Sep 19, 202610001+5,220 contacts →

Exact match

“As the drug development business of Laboratory Corporation of America Holdings (Labcorp) and the world’s most comprehensive drug development #CRO service company, we have helped…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchSomerset, NJ, United StatesHQ recorded Sep 19, 2026n/a4,649 contacts →

Exact match

“Lupin Pharmaceuticals, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBasking Ridge, NJ, United StatesHQ recorded Sep 19, 202610001+3,973 contacts →

Exact match

“At Daiichi Sankyo, we create essential medicine for longer, better lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchWilmington, DE, United StatesHQ recorded Sep 19, 20261,001-5,0003,224 contacts →

Exact match

“Incyte is focused on advancing biopharmaceutical innovation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchMorrisville, NC, United StatesHQ recorded Sep 19, 20261,001-5,0002,584 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 19, 2026 · View company records in RevenueBase
17Exact matchNutley, NJ, United StatesHQ recorded Sep 19, 20261,001-5,0002,570 contacts →

Exact match

“At Eisai Inc, human health care (hhc) is our goal.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchCambridge, MA, United StatesHQ recorded Sep 19, 2026n/a2,135 contacts →

Exact match

“Effective March 17, 2025, The U.S.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchSummit, NJ, United StatesHQ recorded Sep 19, 20265,001-10,0002,098 contacts →

Exact match

“We have merged with Bristol Myers Squibb creating a leading biopharma company, ideally positioned to discover, develop and deliver innovative medicines for patients fighting…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 20261,001-5,0001,971 contacts →

Exact match

“Neurocrine Biosciences is a leading biopharmaceutical company with a simple purpose: to relieve suffering for people with great needs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBethesda, MD, United StatesHQ recorded Sep 19, 20261,001-5,0001,781 contacts →

Exact match

“Precision for Medicine is an industry-leading global clinical research services organization, purpose-built to improve the clinical research and development process for new…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 19, 20261,001-5,0001,578 contacts →

Exact match

“We aspire to create, improve and prolong life for people living with difficult-to-treat conditions like infertility, multiple sclerosis and cancer.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBridgewater Township, NJ, United StatesHQ recorded Sep 19, 20261,001-5,0001,512 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 19, 2026 · View company records in RevenueBase
24Exact matchBridgewater, NJ, United StatesHQ recorded Sep 19, 202610001+1,121 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchCovington, KY, United StatesHQ recorded Sep 19, 20261,001-5,0001,043 contacts →

Exact match

“CTI Clinical Trial and Consulting Services is a global, privately held, research service organization, delivering a complete spectrum of clinical trial and consulting services…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,862 drug development and research companies based in the United States

See the full list, filter by size, metro and specialty, and access 172,227 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drug development and research companies based in the United States at a glance

As of Sep 19, 2026
40.0%Verified-email coverage
231.2Average contacts per company
11-50Median size (employees)
4.6%Largest-city concentration · San Diego
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
821
11-50
593
51-200
230
201-500
88
501-1,000
49
1,001-5,000
44
5,001-10,000
7
10001+
28

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 1,862 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 “drug development and 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 172,227 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 19, 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 “drug development and research companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drug development and research companies are there based in the United States?

RevenueBase identified 1,862 company matches for drug development and 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 drug development and research companies?

San Diego leads with 85 company records, followed by New York (69) and Boston (56).

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 172,227 professional contacts with verified work emails tracked across these 1,862 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 19, 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.