Company lists · Data refreshed November 2026

Top 25 Healthcare testing services worldwide

RevenueBase identified 11,058 company matches for healthcare testing services worldwide as of November 2026 and tracks 535,636 professional contacts across them, including 110,063 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for healthcare testing 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 healthcare testing 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
11,058Companies
535,636Contacts tracked
110,063Verified emails
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The 25 largest healthcare testing services worldwide

Ranked by team size
Top 25 of 11,058 company matches for healthcare testing 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchTbilisi, GeorgiaHQ recorded Nov 6, 2026n/a41,353 contacts →

Exact match

“The full diagnostic service and investigative capabilities of IMSS provide access to a broad range of medical tests and examinations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBurlington, NC, United StatesHQ recorded Nov 6, 202610001+40,243 contacts →

Exact match

“Clear and confident health care decisions begin with questions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSecaucus, NJ, United StatesHQ recorded Nov 6, 202610001+30,147 contacts →

Exact match

“Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202610001+18,422 contacts →

Exact match

“A Dasa é uma das maiores empresas de saúde do mundo, líder em medicina diagnóstica no Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLuxembourgHQ recorded Nov 6, 202610001+12,649 contacts →

Exact match

“Since 1987, Eurofins has grown from one laboratory in Nantes, France to over staff across a network of independent companies in 59 countries, operating over 950 laboratories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202610001+11,419 contacts →

Exact match

“O Grupo Fleury é reconhecido como uma referência de qualidade em medicina diagnóstica no país, com soluções completas, coordenação de cuidado centrada no indivíduo, capacidade de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBrea, CA, United StatesHQ recorded Nov 6, 202610001+10,594 contacts →

Exact match

“A global leader in advanced diagnostics, Beckman Coulter has challenged convention to elevate the diagnostic laboratory’s role in improving patient health for more than 80 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBowen Hills, TX, AustraliaHQ recorded Nov 6, 202610001+10,555 contacts →

Exact match

“A global leader in testing, ALS provides comprehensive testing solutions to clients in a wide range of industries around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBangalore, IndiaHQ recorded Nov 6, 202610001+6,487 contacts →

Exact match

“Formed by the merger of Quintiles and IMS Health in 2016, IQVIA, The Human Data Science Company™ has had a significant presence of over two decades in India through it merged…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20265,001-10,0005,897 contacts →

Exact match

“Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, organ health, and rare disease.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,0005,161 contacts →

Exact match

“Established in 1949, Dr Lal PathLabs today is the largest and most respected diagnostic service provider in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20265,001-10,0004,563 contacts →

Exact match

“Lancet Laboratories SA is one of the leading pathology laboratories operating throughout South Africa, providing vital diagnostic and monitoring pathology services in the 9…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Nov 6, 20265,001-10,0003,768 contacts →

Exact match

“Bringing precision and passion in everything we do QuidelOrtho stands at the forefront of testing, tracking and disease analysis of health conditions ranging from HIV and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20265,001-10,0003,586 contacts →

Exact match

“LifeLabs is Canada’s leading provider of laboratory diagnostic information and digital health connectivity systems, enabling patients and healthcare practitioners to diagnose…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCenturion, South AfricaHQ recorded Nov 6, 20261,001-5,0003,006 contacts →

Exact match

“Ampath provides comprehensive support services to the incorporated Pathology Laboratory practices of Drs Du Buisson, Kramer, Swart, Bouwer Inc Our primary goal is to provide…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,994 contacts →

Exact match

“Why is Thyrocare more than just a workplace?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBehind Glaxo, IndiaHQ recorded Nov 6, 20261,001-5,0002,978 contacts →

Exact match

“We believe that every human being deserves to know the truth about their inner health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 20261,001-5,0002,898 contacts →

Exact match

“Myriad Genetics is a leading molecular diagnostic testing and precision medicine company dedicated to advancing health and well-being for all.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 20261,001-5,0002,895 contacts →

Exact match

“ARUP Laboratories is a national clinical and anatomic pathology reference laboratory and a worldwide leader in innovative laboratory research and development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGeneva, SwitzerlandHQ recorded Nov 6, 202610001+2,541 contacts →

Exact match

“We are one of Europe’s leading suppliers of clinical laboratory testing and medical diagnostic imaging services to private and public healthcare providers, local governments…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSt.-ouen, FranceHQ recorded Nov 6, 202610001+2,254 contacts →

Exact match

“Premier groupement de laboratoires détenu et dirigé exclusivement par des biologistes, dont la connaissance métier et le professionnalisme constituent sa force.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCape Town, South AfricaHQ recorded Nov 6, 20261,001-5,0002,250 contacts →

Exact match

“PathCare Laboratories PathCare is a network of pathology laboratories that provide testing of specimens, primarily for medical diagnostic purposes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchStockholm, SwedenHQ recorded Nov 6, 202610001+2,170 contacts →

Exact match

“Medicover is a leading international provider of healthcare and diagnostic services, headquartered in Sweden and listed on Nasdaq Stockholm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“Incepted in the year 1979, Transasia Bio-Medicals Ltd, is headquartered in Mumbai, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBogotá, ColombiaHQ recorded Nov 6, 20265,001-10,0001,941 contacts →

Exact match

“Somos una organización dedicada a la prestación de servicios de apoyo diagnóstico por medio de imágenes, laboratorio clínico y consulta externa, servicios en donde nos…”

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

Showing 25 of 11,058 healthcare testing services worldwide

See the full list, filter by size, metro and specialty, and access 110,063 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare testing services worldwide at a glance

As of Nov 6, 2026
20.5%Verified-email coverage
48.4Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,784
11-50
3,893
51-200
1,939
201-500
715
501-1,000
248
1,001-5,000
225
5,001-10,000
33
10001+
51

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 healthcare testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “healthcare testing 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 110,063 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.

Healthcare testing services by location

48 lists · largest first

Every Healthcare testing 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 “healthcare testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare testing services are there worldwide?

RevenueBase identified 11,058 company matches for healthcare testing 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?

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

Which country has the most healthcare testing services?

The United States leads with 1,923 companies, followed by Brazil (1,809) and India (1,456). Every healthcare testing services list by country and city is linked on this page.

Which city has the most healthcare testing services?

Sao Paulo leads with 118 company records, followed by New Delhi (97) and Mumbai (96).

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 110,063 professional contacts with verified work emails tracked across these 11,058 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.