Company lists · Data refreshed September 2026

Top 25 Clinical laboratories worldwide

RevenueBase identified 10,546 clinical laboratories worldwide as of September 2026 and tracks 475,481 professional contacts across them, including 104,390 with verified work emails and 0 with mobile numbers. Brazil is the largest market and Sao Paulo the largest hub.

This list covers clinical laboratories 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 15, 2026. Country and city lists for clinical laboratories 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 15, 2026 86% judged on-target in blind review
10,546Companies
475,481Contacts tracked
104,390Verified emails
0Mobile numbers
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The 25 largest clinical laboratories worldwide

Ranked by team size
Top 25 of 10,546 clinical laboratories worldwide, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to clinical laboratories: 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
1Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 15, 202610001+48,455 contacts →

Indirect evidence

“Agilent customers are finding new ways to treat cancer, ensure food, water, air, and medicine quality and safety, discover new drug treatments, research infectious diseases, and…”

Source: RevenueBase Database · checked Sep 15, 2026
2Indirect evidenceBurlington, NC, United StatesHQ checked Sep 15, 202610001+38,427 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
3Indirect evidenceSecaucus, NJ, United StatesHQ checked Sep 15, 202610001+27,884 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
4Indirect evidenceSao Paulo, BrazilHQ checked Sep 15, 202610001+19,606 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
5Indirect evidenceBrea, CA, United StatesHQ checked Sep 15, 202610001+10,069 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 15, 2026
6Indirect evidenceMilford, MA, United StatesHQ checked Sep 15, 202610001+8,189 contacts →

Indirect evidence

“Waters Corporation (NYSE: WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies…”

Source: RevenueBase Database · checked Sep 15, 2026
7Indirect evidenceWestbrook, ME, United StatesHQ checked Sep 15, 202610001+6,962 contacts →

Indirect evidence

“people, one global focus - enhancing the health and well-being of pets, people, and livestock We are passionate about what we do at IDEXX – and why wouldn’t we be?”

Source: RevenueBase Database · checked Sep 15, 2026
8Indirect evidenceGurgaon, IndiaHQ checked Sep 15, 20261,001-5,0004,756 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceSunnyvale, CA, United StatesHQ checked Sep 15, 20265,001-10,0004,445 contacts →

Indirect evidence

“Cepheid is dedicated to improving healthcare by pioneering molecular diagnostics that combine speed, accuracy, and flexibility.”

Source: RevenueBase Database · checked Sep 15, 2026
10Partial evidenceJohannesburg, South AfricaHQ checked Sep 15, 20265,001-10,0004,365 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
11Indirect evidenceToronto, ON, CanadaHQ checked Sep 15, 20265,001-10,0003,469 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
12Indirect evidenceCenturion, South AfricaHQ checked Sep 15, 20261,001-5,0002,873 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 15, 2026
13Indirect evidenceNavi Mumbai, IndiaHQ checked Sep 15, 20261,001-5,0002,823 contacts →

Indirect evidence

“Why is Thyrocare more than just a workplace?”

Source: RevenueBase Database · checked Sep 15, 2026
14Indirect evidenceBehind Glaxo, IndiaHQ checked Sep 15, 20261,001-5,0002,807 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
15Strong evidenceSalt Lake City, UT, United StatesHQ checked Sep 15, 20261,001-5,0002,768 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
16Partial evidenceCape Town, South AfricaHQ checked Sep 15, 20261,001-5,0002,127 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
17Indirect evidenceSt.-ouen, FranceHQ checked Sep 15, 202610001+1,980 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
18Indirect evidenceMumbai, IndiaHQ checked Sep 15, 20261,001-5,0001,933 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
19Indirect evidenceUk, AZ, United StatesHQ checked Sep 15, 20261,001-5,0001,878 contacts →

Indirect evidence

“Clinisys acquired Orchard Software July 2025 (see press release https://tinyurl.com/clinisysnews)* Clinisys delivers over 45 years of laboratory informatics expertise – built…”

Source: RevenueBase Database · checked Sep 15, 2026
20Indirect evidenceIssy-les-moulineaux, FranceHQ checked Sep 15, 20265,001-10,0001,696 contacts →

Indirect evidence

“Cerballiance est un réseau de Laboratoires de Biologie Médicale implantés en France et sur l’Ile de la Réunion.”

Source: RevenueBase Database · checked Sep 15, 2026
21Indirect evidenceVespasiano, BrazilHQ checked Sep 15, 202610001+1,665 contacts →

Indirect evidence

“Entregar saúde para as pessoas e crescimento para o seu negócio: esse é o nosso propósito.”

Source: RevenueBase Database · checked Sep 15, 2026
22Partial evidenceLancaster, PA, United StatesHQ checked Sep 15, 20261,001-5,0001,638 contacts →

Partial evidence

“Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…”

Source: RevenueBase Database · checked Sep 15, 2026
23Indirect evidenceElmwood Park, NJ, United StatesHQ checked Sep 15, 20261,001-5,0001,610 contacts →

Indirect evidence

“For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.”

Source: RevenueBase Database · checked Sep 15, 2026
24Partial evidenceBogotá, ColombiaHQ checked Sep 15, 20265,001-10,0001,556 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 15, 2026
25Strong evidenceAustin, TX, United StatesHQ checked Sep 15, 20261,001-5,0001,528 contacts →

Strong evidence

“Clinical Pathology Laboratories (CPL) is a medically-led company dating back to 1948.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 10,546 clinical laboratories worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 104,390 reachable decision-makers.

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Clinical laboratories worldwide at a glance

As of Sep 15, 2026
22.0%Verified-email coverage
45.1Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
3,626
11-50
3,975
51-200
1,788
201-500
603
501-1,000
222
1,001-5,000
187
5,001-10,000
21
10001+
44

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 clinical laboratories, 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
37 countries, largest first: Brazil, the United States, India, Italy, Mexico, Germany, France, Argentina, Colombia, Türkiye and 27 more. Country and city lists for clinical laboratories are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “clinical laboratories”. 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 clinical laboratories), 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 clinical laboratories, 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, 104,390 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 15, 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.

Clinical laboratories by location

50 lists · largest first

Every Clinical laboratories 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 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 clinical laboratories, 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 clinical laboratories are there worldwide?

RevenueBase identified 10,546 clinical laboratories 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?

Agilent Technologies, headquartered in Santa Clara, tops this list with the largest team on record.

Which country has the most clinical laboratories?

Brazil leads with 2,263 companies, followed by the United States (2,201) and India (1,435). Every clinical laboratories list by country and city is linked on this page.

Which city has the most clinical laboratories?

Sao Paulo leads with 167 headquartered companies, followed by New Delhi (110) and Hyderabad (83).

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 104,390 verified decision-maker contacts tracked across these 10,546 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 15, 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.