Company lists · Data refreshed September 2026

Top 25 Biopharmaceutical contract research organizations based in the United States

Name: Biopharmaceutical contract research organizations based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 4,460 companies tracked

RevenueBase identified 4,460 company matches for biopharmaceutical contract research organizations associated with the United States as of September 2026 and tracks 511,195 professional contacts across them, including 219,168 with verified work emails. San Diego is the largest hub.

This list covers company matches for biopharmaceutical contract research organizations 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 16, 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 16, 2026 How this list was built

4,460Companies

511,195Contacts tracked

219,168Verified emails

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The 25 largest biopharmaceutical contract research organizations based in the United States

Ranked by team size

Top 25 of 4,460 company matches for biopharmaceutical contract research organizations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Thermo Fisher Scientific	Exact match	Waltham, MA, United StatesHQ recorded Sep 16, 2026	10001+	70,907 contacts →
	Exact match “About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	IQVIA	Exact match	Durham, NC, United StatesHQ recorded Sep 16, 2026	10001+	63,824 contacts →
	Exact match “IQVIA (NYSE:IQV) is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Labcorp	Exact match	Burlington, NC, United StatesHQ recorded Sep 16, 2026	10001+	38,427 contacts →
	Exact match “Clear and confident health care decisions begin with questions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	PPD	Exact match	Waltham, MA, United StatesHQ recorded Sep 16, 2026	10001+	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 16, 2026 · View company records in RevenueBase
5	Parexel	Exact match	Raleigh, NC, United StatesHQ recorded Sep 16, 2026	10001+	19,257 contacts →
	Exact match “Parexel is a leading global clinical research organization (CRO) providing insights-driven Clinical and Consulting solutions to the world’s life sciences industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Syneos Health	Exact match	Morrisville, NC, United StatesHQ recorded Sep 16, 2026	10001+	18,228 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 16, 2026 · View company records in RevenueBase
7	Fortrea	Exact match	Research Triangle Park, NC, United StatesHQ recorded Sep 16, 2026	10001+	10,632 contacts →
	Exact match “Fortrea (Nasdaq: FTRE) is a leading global clinical research organization (CRO) dedicated to providing innovative clinical development solutions to the life sciences industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Biogen	Exact match	Cambridge, MA, United StatesHQ recorded Sep 16, 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 16, 2026 · View company records in RevenueBase
9	Indegene	Exact match	Princeton, NJ, United StatesHQ recorded Sep 16, 2026	5,001-10,000	6,274 contacts →
	Exact match “Indegene Limited is the tech-native, life sciences specialist orchestrating the path from commercialization strategy through execution.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Medpace	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 16, 2026	5,001-10,000	5,960 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 16, 2026 · View company records in RevenueBase
11	PCI Pharma Services	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 16, 2026	5,001-10,000	4,342 contacts →
	Exact match “We are PCI Pharma Services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Worldwide Clinical Trials	Exact match	Research Triangle Park, NC, United StatesHQ recorded Sep 16, 2026	1,001-5,000	3,440 contacts →
	Exact match “Worldwide Clinical Trials (Worldwide) is a global CRO serving development-driven biopharmaceutical companies, with more than 4,400 professionals operating across more than 70…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Eversana	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	5,001-10,000	3,149 contacts →
	Exact match “EVERSANA® is a leading independent provider of global services to the life sciences industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	CURIA	Exact match	Albany, NY, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,975 contacts →
	Exact match “Curia is a Contract Development and Manufacturing Organization with over 30 years of experience, an integrated network of 25 global sites and 3,500 employees partnering with…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Revvity	Exact match	Waltham, MA, United StatesHQ recorded Sep 16, 2026	10001+	2,938 contacts →
	Exact match “At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Medidata Solutions	Exact match	New York, NY, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,704 contacts →
	Exact match “Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Premier Research	Exact match	Morrisville, NC, United StatesHQ recorded Sep 16, 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 16, 2026 · View company records in RevenueBase
18	AGC Biologics	Exact match	Bothell, WA, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,510 contacts →
	Exact match “AGC Biologics is a leading global biopharmaceutical Contract Development and Manufacturing Organization (CDMO) with a strong commitment to delivering the highest standard of…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Phillips Medisize	Exact match	Hudson, WI, United StatesHQ recorded Sep 16, 2026	5,001-10,000	2,261 contacts →
	Exact match “As a contract development and manufacturing organization (CDMO), the world’s leading pharmaceutical, medtech and in vitro diagnostic companies trust us to help them design and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Hovione	Exact match	East Windsor, NJ, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,213 contacts →
	Exact match “At Hovione, we help partners turn scientific innovation into medicines that reach patients around the world.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	ZIFO	Exact match	Deerfield, IL, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,170 contacts →
	Exact match “We help science-driven organisations innovate for a better future through our full range of specialist scientific informatics services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Signant Health	Exact match	Blue Bell, PA, United StatesHQ recorded Sep 16, 2026	1,001-5,000	2,083 contacts →
	Exact match “For 25+ years, Signant Health has been pioneering solutions and methodologies that propel clinical research programs toward regulatory success.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Propharma	Exact match	Raleigh, NC, United StatesHQ recorded Sep 16, 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 16, 2026 · View company records in RevenueBase
24	Patheon	Exact match	Waltham, MA, United StatesHQ recorded Sep 16, 2026	10001+	2,004 contacts →
	Exact match “Thermo Fisher Scientific provides industry-leading pharma services for drug development, clinical trial logistics, and commercial manufacturing through our Patheon™ brand.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	UBC	Exact match	King Of Prussia, PA, United StatesHQ recorded Sep 16, 2026	1,001-5,000	1,858 contacts →
	Exact match “United BioSource LLC (UBC) is the leading provider of evidence development solutions with expertise in uniting evidence and access.” Recorded in the RevenueBase company graph · Sep 16, 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 “biopharmaceutical contract research organizations”. 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 4,460 biopharmaceutical contract research organizations based in the United States

See the full list, filter by size, metro and specialty, and access 219,168 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biopharmaceutical contract research organizations based in the United States at a glance

As of Sep 16, 2026

42.9%Verified-email coverage

114.6Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · San Diego

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

2,070

11-50

1,329

51-200

580

201-500

211

501-1,000

1,001-5,000

117

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 4,460 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 “biopharmaceutical contract research organizations” 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 219,168 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 16, 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.

Biopharmaceutical contract research organizations 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 “biopharmaceutical contract research organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biopharmaceutical contract research organizations are there based in the United States?

RevenueBase identified 4,460 company matches for biopharmaceutical contract research organizations 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?

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

Which city has the most biopharmaceutical contract research organizations?

San Diego leads with 144 company records, followed by Boston (125) and New York (115).

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 219,168 professional contacts with verified work emails tracked across these 4,460 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 16, 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.