Company lists · Data refreshed November 2026

Top 25 Cardiology services providers worldwide

RevenueBase identified 3,701 company matches for cardiology services providers worldwide as of November 2026 and tracks 73,815 professional contacts across them, including 12,534 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for cardiology services providers 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 cardiology services providers 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
3,701Companies
73,815Contacts tracked
12,534Verified emails
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The 25 largest cardiology services providers worldwide

Ranked by team size
Top 25 of 3,701 company matches for cardiology services providers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0003,194 contacts →

Exact match

“Our history is marked by philanthropy and the passion for making a difference in people's lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,0001,315 contacts →

Exact match

“Grup Florence Nightingale Hastaneleri, sağlıkta mükemmellik yolculuğuna 1989 yılında, 50 yataklı iddialı bir sağlık merkezi olarak başladı.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 20261,001-5,000924 contacts →

Exact match

“Depuis 1954, l'Institut de cardiologie de Montréal (ICM) est un leader mondial de la cardiologie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSaudi ArabiaHQ recorded Nov 6, 2026n/a890 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSnoqualmie, WA, United StatesHQ recorded Nov 6, 20261,001-5,000857 contacts →

Exact match

“Spacelabs Healthcare is solely dedicated to developing patient monitoring and diagnostic cardiology technologies and services that empower providers to deliver exceptional patient…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKarachi, PakistanHQ recorded Nov 6, 20261,001-5,000824 contacts →

Exact match

“Tabba Heart Institute is a renowned healthcare organization dedicated to advancing cardiovascular care and research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPorto, PortugalHQ recorded Nov 6, 20261,001-5,000738 contacts →

Exact match

“At Unilabs, we are close to People, through a national network with more than 900 Clinical Diagnostic care units.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20261,001-5,000629 contacts →

Exact match

“ZOLL Cardiac Management Solutions (CMS), a division of ZOLL Medical Corporation, offers a unique portfolio of novel technologies designed to deliver better insights and better…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMilan, ItalyHQ recorded Nov 6, 2026501-1,000611 contacts →

Exact match

“Il Centro Cardiologico Monzino è nato nel 1981 da una donazione del Cav.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLittle Rock, AR, United StatesHQ recorded Nov 6, 20261,001-5,000590 contacts →

Exact match

“Arkansas Heart Hospital and area heart specialists have joined together with the goal of assembling the finest facilities, most advanced equipment and most highly skilled health…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 2026501-1,000564 contacts →

Exact match

“Centro médico especializado en Cardiología Sanatorio de Salud Cardiovascular Visión Dar esperanza y calidad de vida a las personas con enfermedades cardiovasculares.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000561 contacts →

Exact match

“O Instituto Dante Pazzanese de Cardiologia tem por finalidade a prestação de assistência médico-hospitalar, em regime ambulatorial, de emergência e de internação na área…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBerlin, GermanyHQ recorded Nov 6, 20261,001-5,000551 contacts →

Exact match

“Das Deutsche Herzzentrum der Charité ist aus dem Zusammenschluss der herzmedizinischen Einrichtungen der Charité – Universitätsmedizin Berlin und des Deutschen Herzzentrums Berlin…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDhaka, BangladeshHQ recorded Nov 6, 20265,001-10,000534 contacts →

Exact match

“Labaid Hospitals collectively refers to our twin hospitals; Labaid Cardiac Hospital (LCH) and Labaid Specialized Hospital (LSH).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFlorianópolis, BrazilHQ recorded Nov 6, 2026201-500534 contacts →

Exact match

“O Hospital SOS Cárdio nasceu em Florianópolis/SC, em 1991, com o propósito de oferecer atendimento de excelência a Emergências Cardiológicas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMalvern, PA, United StatesHQ recorded Nov 6, 2026201-500494 contacts →

Exact match

“CardioNet was just the beginning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHouma, MS, United StatesHQ recorded Nov 6, 20261,001-5,000482 contacts →

Exact match

“Best Place to Work in Healthcare* Founded by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026501-1,000456 contacts →

Exact match

“What every physician wants most is to have the time, the tools and the resources to provide each and every patient with access to the most complete and effective care possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,000411 contacts →

Exact match

“Fortis Escorts Heart Institute (FEHI), Delhi, a pioneer and Centre of Excellence in Cardiac Care, is recognised for its path-breaking work and service to the numerous heart…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBucaramanga - Santander, ColombiaHQ recorded Nov 6, 2026n/a376 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500356 contacts →

Exact match

“Tricog is on a mission to empower healthcare providers with virtual cardiac diagnostic tools and services that help them in the accurate, timely, and consistent diagnosis of heart…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 2026201-500312 contacts →

Exact match

“Your Team.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHattiesburg, MS, United StatesHQ recorded Nov 6, 2026501-1,000303 contacts →

Exact match

“Merit Health Wesley is your community healthcare provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSpainHQ recorded Nov 6, 20261,001-5,000302 contacts →

Exact match

“Healthcare provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFortaleza, BrazilHQ recorded Nov 6, 2026201-500296 contacts →

Exact match

“Com 45 anos de história, o Hospital Prontocardio é pioneiro nos serviços de Cardiologia no Ceará.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,701 cardiology services providers worldwide

See the full list, filter by size, metro and specialty, and access 12,534 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cardiology services providers worldwide at a glance

As of Nov 6, 2026
17.0%Verified-email coverage
19.9Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,576
11-50
1,201
51-200
525
201-500
185
501-1,000
65
1,001-5,000
48
5,001-10,000
4
10001+
11

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 cardiology services providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “cardiology services providers” 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 12,534 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.

Cardiology services providers by location

9 lists · largest first

Every Cardiology services providers 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 “cardiology services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cardiology services providers are there worldwide?

RevenueBase identified 3,701 company matches for cardiology services providers 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?

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

Which country has the most cardiology services providers?

The United States leads with 1,269 companies, followed by Brazil (488) and Germany (161). Every cardiology services providers list by country and city is linked on this page.

Which city has the most cardiology services providers?

Sao Paulo leads with 56 company records, followed by New York (35) and Rio De Janeiro (27).

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 12,534 professional contacts with verified work emails tracked across these 3,701 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.