Company lists · Data refreshed October 2026

Top 25 Health systems and networks worldwide

RevenueBase identified 971 company matches for health systems and networks worldwide as of October 2026 and tracks 814,954 professional contacts across them, including 223,908 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for health systems and networks 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 October 13, 2026. Country and city lists for health systems and networks 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 Oct 13, 2026 How this list was built
971Companies
814,954Contacts tracked
223,908Verified emails
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The 25 largest health systems and networks worldwide

Ranked by team size
Top 25 of 971 company matches for health systems and networks worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchNashville, TN, United StatesHQ recorded Oct 13, 202610001+70,173 contacts →

Exact match

“HCA Healthcare is dedicated to giving people a healthier tomorrow.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchEdmonton, AB, CanadaHQ recorded Oct 13, 202610001+40,666 contacts →

Exact match

“Alberta Health Services (AHS) is proud to be part of Canada’s first and largest provincewide, integrated health system, responsible for delivering health services to more than 4.5…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchPhoenix, AZ, United StatesHQ recorded Oct 13, 202610001+31,342 contacts →

Exact match

“Headquartered in Arizona, Banner Health is one of the largest nonprofit health care systems in the country.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchMurray, UT, United StatesHQ recorded Oct 13, 202610001+27,141 contacts →

Exact match

“Headquartered in Utah with locations in six primary states and additional operations across the western U.S, Intermountain Health is a nonprofit system of 34 hospitals, 400+…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Oct 13, 202610001+26,353 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchChennai, IndiaHQ recorded Oct 13, 202610001+26,023 contacts →

Exact match

“Driven by the vision of its Chairman, Dr.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Oct 13, 202610001+25,701 contacts →

Exact match

“With us by your side, there's no stopping you.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Oct 13, 202610001+24,257 contacts →

Exact match

“At NewYork-Presbyterian, we put patients first.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchAurora, CO, United StatesHQ recorded Oct 13, 202610001+18,447 contacts →

Exact match

“At UCHealth, we do things differently.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202610001+17,098 contacts →

Exact match

“Advancing Health.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Oct 13, 202610001+16,957 contacts →

Exact match

“We provide quality, compassionate health care at more than 40 hospitals and care centers that are serving communities across California, Arizona and Nevada every minute of every…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchMarietta, GA, United StatesHQ recorded Oct 13, 202610001+16,071 contacts →

Exact match

“At Wellstar Health System, our mission is to enhance the health and well-being of every person we serve.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchLos Angeles, CA, United StatesHQ recorded Oct 13, 202610001+15,799 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchArlington, TX, United StatesHQ recorded Oct 13, 202610001+15,335 contacts →

Exact match

“At Texas Health Resources, our mission is to improve the health of the people in the communities we serve.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchSioux Falls, SD, United StatesHQ recorded Oct 13, 202610001+14,509 contacts →

Exact match

“Sanford Health is the largest rural health system in the U.S.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchPittsburgh, PA, United StatesHQ recorded Oct 13, 202610001+10,962 contacts →

Exact match

“Allegheny Health Network is an integrated health care delivery system serving the greater Western Pennsylvania region.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchMinneapolis, MN, United StatesHQ recorded Oct 13, 202610001+10,329 contacts →

Exact match

“Fairview Health Services is Minnesota’s choice for healthcare.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Oct 13, 20265,001-10,00010,174 contacts →

Exact match

“UCSF Health is an integrated health care network encompassing several entities, including UCSF Medical Center, one of the nation’s top 10 hospitals according to U.S.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchYork, PA, United StatesHQ recorded Oct 13, 202610001+10,093 contacts →

Exact match

“WellSpan Health’s vision is to reimagine healthcare through the delivery of comprehensive, equitable health and wellness solutions throughout our continuum of care.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Oct 13, 202610001+9,638 contacts →

Exact match

“Sharp HealthCare is a not-for-profit health care system based in San Diego, California, with four acute care hospitals, three specialty hospitals, three medical groups and a…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchFranklin, TN, United StatesHQ recorded Oct 13, 202610001+9,165 contacts →

Exact match

“Community Health Systems is one of the nation's leading healthcare providers.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchMorristown, NJ, United StatesHQ recorded Oct 13, 202610001+8,898 contacts →

Exact match

“Atlantic Health is at the forefront of medicine, setting standards for quality health care in New Jersey, Pennsylvania and the New York metropolitan area.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchWest Des Moines, IA, United StatesHQ recorded Oct 13, 202610001+7,685 contacts →

Exact match

“As an integrated health system, we provide care throughout Iowa, western Illinois and southern Wisconsin in not-for-profit hospitals, clinics and home health settings.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchMarlton, NJ, United StatesHQ recorded Oct 13, 202610001+7,301 contacts →

Exact match

“Virtua is South Jersey’s largest health system, committed to the mission of helping people be well, get well, and stay well and averaging more than one million patient encounters…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchDallas, United StatesHQ recorded Oct 13, 202610001+7,222 contacts →

Exact match

“IKS Health helps healthcare work better for everyone it touches.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 971 health systems and networks worldwide

See the full list, filter by size, metro and specialty, and access 223,908 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Health systems and networks worldwide at a glance

As of Oct 13, 2026
27.5%Verified-email coverage
839.3Average contacts per company
51-200Median size (employees)
1.0%Largest-city concentration · Sao Paulo
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
155
11-50
182
51-200
153
201-500
99
501-1,000
80
1,001-5,000
157
5,001-10,000
47
10001+
96

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 health systems and networks are linked below.
What qualifies
Company records worldwide whose business descriptions match “health systems and networks” 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 223,908 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 October 13, 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.

Health systems and networks by location

3 lists · largest first

Every Health systems and networks 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 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 “health systems and networks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many health systems and networks are there worldwide?

RevenueBase identified 971 company matches for health systems and networks worldwide as of October 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?

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

Which country has the most health systems and networks?

The United States leads with 417 companies, followed by India (60) and Brazil (44). Every health systems and networks list by country and city is linked on this page.

Which city has the most health systems and networks?

Sao Paulo leads with 10 company records, followed by London (9) and Riyadh (7).

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 223,908 professional contacts with verified work emails tracked across these 971 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 October 13, 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.