Company lists · Data refreshed November 2026

Top 25 Contract research organization services worldwide

Name: Contract research organization services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,422 companies tracked

RevenueBase identified 13,422 company matches for contract research organization services worldwide as of November 2026 and tracks 653,164 professional contacts across them, including 254,074 with verified work emails. The United States is the largest market and Hyderabad the largest hub.

This list covers company matches for contract research organization services worldwide, 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. Country and city lists for contract research organization services follow the table.

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

13,422Companies

653,164Contacts tracked

254,074Verified emails

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The 25 largest contract research organization services worldwide

Ranked by team size

Top 25 of 13,422 company matches for contract research organization services worldwide, 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	IQVIA	Exact match	Durham, NC, United StatesHQ recorded Nov 6, 2026	10001+	68,168 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 · Nov 6, 2026 · View company records in RevenueBase
2	Icon PLC	Exact match	Dublin, JapanHQ recorded Nov 6, 2026	10001+	28,180 contacts →
	Exact match “Since our foundation in Dublin, Ireland in 1990, our mission has been to help our clients to accelerate the development of drugs and devices that save lives and improve quality of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Parexel	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	10001+	20,436 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 · Nov 6, 2026 · View company records in RevenueBase
4	PPD	Exact match	Wilmington, NC, United StatesHQ recorded Nov 6, 2026	10001+	19,955 contacts →
	Exact match “PPD is part of Thermo Fisher Scientific, the world leader in serving science.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Syneos Health	Exact match	Morrisville, NC, United StatesHQ recorded Nov 6, 2026	10001+	19,471 contacts →
	Exact match “Syneos Health® is a leading fully integrated biopharmaceutical solutions organization built to accelerate customer success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	LONZA	Exact match	Basel, MA, SwitzerlandHQ recorded Nov 6, 2026	10001+	17,321 contacts →
	Exact match “Lonza is a pioneer and world leader in the CDMO industry, setting the pace with cutting-edge science, smart technology, and lean manufacturing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Fortrea	Exact match	Research Triangle Park, NC, United StatesHQ recorded Nov 6, 2026	10001+	11,174 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 · Nov 6, 2026 · View company records in RevenueBase
8	Syngene International Limited	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	5,001-10,000	8,114 contacts →
	Exact match “Syngene International Ltd.(BSE: 539268, NSE: SYNGENE, ISIN: INE398R01022) is an integrated research, development, and manufacturing services company serving the global…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Indegene	Exact match	Princeton, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,877 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 · Nov 6, 2026 · View company records in RevenueBase
10	Medpace	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,387 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 · Nov 6, 2026 · View company records in RevenueBase
11	Almac Group	Exact match	Craigavon, NC, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	4,798 contacts →
	Exact match “Partnering to Advance Human Health A unique culture delivering exceptional solutions: Almac is a financially secure, privately owned organisation with 7,800+ employees globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	PCI Pharma Services	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,615 contacts →
	Exact match “We are PCI Pharma Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Aragen Life Sciences	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	1,001-5,000	4,331 contacts →
	Exact match “Aragen is a trusted R&D and manufacturing partner to the global life sciences industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Worldwide Clinical Trials	Exact match	Research Triangle Park, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,853 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 · Nov 6, 2026 · View company records in RevenueBase
15	Westat	Exact match	Bethesda, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,489 contacts →
	Exact match “Westat offers innovative professional services to help clients improve outcomes in health, education, and social policy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Wuxi Apptec	Exact match	Shanghai, CA, ChinaHQ recorded Nov 6, 2026	10001+	3,335 contacts →
	Exact match “WuXi AppTec is a trusted partner and contributor to the pharmaceutical and life sciences industries, providing R&D and manufacturing services that help advance healthcare…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Eversana	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,308 contacts →
	Exact match “EVERSANA® is a leading independent provider of global services to the life sciences industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Evotec	Exact match	Hamburg, GermanyHQ recorded Nov 6, 2026	5,001-10,000	3,120 contacts →
	Exact match “Evotec is a biotechnology company that is committed to advancing drug discovery and development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	CURIA	Exact match	Albany, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,068 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 · Nov 6, 2026 · View company records in RevenueBase
20	Premier Research	Exact match	Morrisville, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,732 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 · Nov 6, 2026 · View company records in RevenueBase
21	Medidata Solutions	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,718 contacts →
	Exact match “Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	PSI CRO	Exact match	Zug, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	2,693 contacts →
	Exact match “PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Recipharm	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	5,001-10,000	2,652 contacts →
	Exact match “Recipharm is a leading global CDMO dedicated to meeting your evolving needs through operational excellence, scientific know-how, and customer connectivity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Phillips Medisize	Exact match	Hudson, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,375 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 · Nov 6, 2026 · View company records in RevenueBase
25	Anthem Biosciences Limited	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,370 contacts →
	Exact match “Anthem Biosciences, a Bangalore-India based Contract Research Development Organization (CDMO) Anthem Bio offers a whole gamut of services dedicated to enabling and sustaining…” 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 “contract research organization services”. 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 13,422 contract research organization services worldwide

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Contract research organization services worldwide at a glance

As of Nov 6, 2026

38.9%Verified-email coverage

48.7Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Hyderabad

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,399

11-50

4,147

51-200

1,782

201-500

492

501-1,000

247

1,001-5,000

208

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for contract research organization services are linked below.
What qualifies: Company records worldwide whose business descriptions match “contract research organization services” 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. 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 254,074 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.

Contract research organization services by location

90 lists · largest first

Every Contract research organization services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many contract research organization services are there worldwide?

RevenueBase identified 13,422 company matches for contract research organization services worldwide 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?

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

Which country has the most contract research organization services?

The United States leads with 4,115 companies, followed by India (1,527) and the United Kingdom (760). Every contract research organization services list by country and city is linked on this page.

Which city has the most contract research organization services?

Hyderabad leads with 240 company records, followed by London (224) and Bangalore (160).

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 254,074 professional contacts with verified work emails tracked across these 13,422 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.