Company lists · Data refreshed September 2026

Top 25 Research hospitals worldwide

RevenueBase identified 1,476 research hospitals worldwide as of September 2026 and tracks 1,442,552 professional contacts across them, including 391,229 with verified work emails and 0 with mobile numbers. The United States is the largest market and Chicago the largest hub.

This list covers research hospitals worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026. Country and city lists for research hospitals follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
1,476Companies
1,442,552Contacts tracked
391,229Verified emails
0Mobile numbers
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The 25 largest research hospitals worldwide

Ranked by team size
Top 25 of 1,476 research hospitals worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to research hospitals: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceCleveland, OH, United StatesHQ checked Sep 17, 202610001+42,981 contacts →

Strong evidence

“Cleveland Clinic, located in Cleveland, Ohio, is a not-for-profit, multispecialty academic medical center that integrates clinical and hospital care with research and education.”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceParis, FranceHQ checked Sep 17, 202610001+33,094 contacts →

Partial evidence

“AP-HP (Greater Paris University Hospitals) is a European world-renowned university hospital.”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceNew York, NY, United StatesHQ checked Sep 17, 202610001+25,776 contacts →

Indirect evidence

“NYU Langone Health is a fully integrated health system that consistently achieves the best patient outcomes through a rigorous focus on quality that has resulted in some of the…”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceNashville, TN, United StatesHQ checked Sep 17, 202610001+19,456 contacts →

Indirect evidence

“From specializing in transplants and pediatric cancer to solving undiagnosed diseases, we know solving the most complex problems prepares us to solve any problem.”

Source: RevenueBase Database · checked Sep 17, 2026
5Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 17, 202610001+19,420 contacts →

Partial evidence

“Penn Medicine is a world leader in academic medicine, setting the standard for cutting-edge research, compassionate patient care, and the education of future health care…”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 17, 202610001+18,692 contacts →

Partial evidence

“UC San Francisco is driven by the idea that when the best research, the best education and the best patient care converge, great breakthroughs are achieved.”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 202610001+18,058 contacts →

Indirect evidence

“Houston Methodist is one of the nation’s leading health systems and academic medical centers.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceDallas, TX, United StatesHQ checked Sep 17, 202610001+17,024 contacts →

Partial evidence

“UT Southwestern is an academic medical center, world-renowned for its research, regarded among the best in the country for medical education and for clinical and scientific…”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 17, 20265,001-10,00016,236 contacts →

Partial evidence

“Thomas Jefferson University and Thomas Jefferson University Hospitals are partners in providing excellent clinical and compassionate care for our patients in the Philadelphia…”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 17, 202610001+15,969 contacts →

Partial evidence

“Since its start in 1855 as the nation's first hospital devoted exclusively to caring for children, The Children's Hospital of Philadelphia has been the birthplace for many…”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 17, 202610001+15,745 contacts →

Indirect evidence

“For more than half a century, UCLA Health has provided the best in healthcare and the latest in medical technology to the people of Los Angeles and throughout the world.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceNew York, NY, United StatesHQ checked Sep 17, 202610001+15,195 contacts →

Partial evidence

“The Mount Sinai Health System is an integrated health system committed to providing distinguished care, conducting transformative research, and advancing biomedical education.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidencePortland, OR, United StatesHQ checked Sep 17, 202610001+15,018 contacts →

Indirect evidence

“At OHSU, we deliver breakthroughs for better health.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceCincinnati, OH, United StatesHQ checked Sep 17, 202610001+14,815 contacts →

Indirect evidence

“Cincinnati Children’s, a nonprofit academic medical center established in 1883, offers services from well-child care to treatment for the most rare and complex conditions.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceBoston, MA, United StatesHQ checked Sep 17, 202610001+14,757 contacts →

Partial evidence

“Boston's Brigham and Women's Hospital (BWH) is an international leader in virtually every area of medicine and has been the site of pioneering breakthroughs that have improved…”

Source: RevenueBase Database · checked Sep 17, 2026
16Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 17, 202610001+14,639 contacts →

Indirect evidence

“Since its beginning in 1902, Cedars-Sinai has evolved to meet the healthcare needs of one of the most diverse regions in the nation, continually setting new standards for quality…”

Source: RevenueBase Database · checked Sep 17, 2026
17Indirect evidenceAnn Arbor, MI, United StatesHQ checked Sep 17, 202610001+13,627 contacts →

Indirect evidence

“Michigan Medicine, based in Ann Arbor, Michigan, is part of one of the world’s leading universities.”

Source: RevenueBase Database · checked Sep 17, 2026
18Indirect evidenceMilwaukee, WI, United StatesHQ checked Sep 17, 202610001+12,923 contacts →

Indirect evidence

“Aurora Health Care is proud to be a part of Advocate Health, the third-largest nonprofit integrated health system in the U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
19Indirect evidenceColumbus, OH, United StatesHQ checked Sep 17, 202610001+12,455 contacts →

Indirect evidence

“At The Ohio State University Wexner Medical Center you will find more than a job – you can establish a career that allows you to actually change the face of medicine.”

Source: RevenueBase Database · checked Sep 17, 2026
20Indirect evidenceChicago, IL, United StatesHQ checked Sep 17, 202610001+11,896 contacts →

Indirect evidence

“Northwestern Medicine is the collaboration between Northwestern Memorial HealthCare and Northwestern University Feinberg School of Medicine around a strategic vision to transform…”

Source: RevenueBase Database · checked Sep 17, 2026
21Indirect evidenceRotterdam, NetherlandsHQ checked Sep 17, 202610001+11,652 contacts →

Indirect evidence

“We are Erasmus MC.”

Source: RevenueBase Database · checked Sep 17, 2026
22Strong evidenceColumbus, OH, United StatesHQ checked Sep 17, 202610001+11,299 contacts →

Strong evidence

“Nationwide Children’s is one of America's largest pediatric hospitals, an international leader in research and is ranked in all 10 specialties on U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
23Partial evidenceBaltimore, MD, United StatesHQ checked Sep 17, 202610001+11,269 contacts →

Partial evidence

“The University of Maryland Medical System (UMMS) was created in 1984 when the state-owned University Hospital became a private, nonprofit organization.”

Source: RevenueBase Database · checked Sep 17, 2026
24Partial evidenceChicago, IL, United StatesHQ checked Sep 17, 202610001+11,112 contacts →

Partial evidence

“Rush University Medical Center is an academic medical center that includes a 671-bed hospital serving adults and children, the 61-bed Johnston R.”

Source: RevenueBase Database · checked Sep 17, 2026
25Partial evidenceBoston, MA, United StatesHQ checked Sep 17, 20265,001-10,00011,089 contacts →

Partial evidence

“Beth Israel Deaconess Medical Center (BIDMC) is part of Beth Israel Lahey Health, a new health care system that brings together academic medical centers and teaching hospitals…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 1,476 research hospitals worldwide

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Research hospitals worldwide at a glance

As of Sep 17, 2026
27.1%Verified-email coverage
977.3Average contacts per company
501-1,000Median size (employees)
1.1%Largest-city concentration · Chicago
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
173
11-50
205
51-200
148
201-500
122
501-1,000
129
1,001-5,000
388
5,001-10,000
164
10001+
141

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among research hospitals, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
14 countries, largest first: the United States, Germany, India, Brazil, France, Italy, Spain, the Netherlands, Türkiye, Canada and 4 more. Country and city lists for research hospitals are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “research hospitals”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names research hospitals), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among research hospitals, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 391,229 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Research hospitals by location

14 lists · largest first

Every Research hospitals list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names research hospitals, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many research hospitals are there worldwide?

RevenueBase identified 1,476 research hospitals worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Cleveland Clinic, headquartered in Cleveland, tops this list with the largest team on record.

Which country has the most research hospitals?

The United States leads with 407 companies, followed by Germany (225) and India (212). Every research hospitals list by country and city is linked on this page.

Which city has the most research hospitals?

Chicago leads with 16 headquartered companies, followed by Sao Paulo (15) and Madrid (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 391,229 verified decision-maker contacts tracked across these 1,476 companies.

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 Smart Search, 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.