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.
The 25 largest clinical laboratories worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 38,427 contacts → | ||||
Indirect evidence “Clear and confident health care decisions begin with questions.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 27,884 contacts → | ||||
Indirect evidence “Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4,756 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4,445 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4,365 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, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3,469 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2,873 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, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2,823 contacts → | ||||
Indirect evidence “Why is Thyrocare more than just a workplace?” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2,807 contacts → | ||||
Indirect evidence “We believe that every human being deserves to know the truth about their inner health.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2,768 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, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2,127 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, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,933 contacts → | ||||
Indirect evidence “Incepted in the year 1979, Transasia Bio-Medicals Ltd, is headquartered in Mumbai, India.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1,878 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, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1,696 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, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1,638 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, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1,610 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, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1,556 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, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1,528 contacts → | ||||
Strong evidence “Clinical Pathology Laboratories (CPL) is a medically-led company dating back to 1948.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: clinical laboratories. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names clinical laboratories.
- Partial evidence
- Its own public description names part of clinical laboratories, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name clinical laboratories. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 10,546 clinical laboratories worldwide
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Clinical laboratories worldwide at a glance
As of Sep 15, 2026Companies by employee count
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 firstEvery Clinical laboratories list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clinical laboratories based in Brazil2,263
- Clinical laboratories based in the United States2,201
- Clinical laboratories based in India1,435
- Clinical laboratories based in Italy518
- Clinical laboratories based in Mexico408
- Clinical laboratories based in Germany361
- Clinical laboratories based in France283
- Clinical laboratories based in Argentina234
- Clinical laboratories based in Colombia212
- Clinical laboratories based in Türkiye212
- Clinical laboratories based in Spain210
- Clinical laboratories based in the United Kingdom199
- Clinical laboratories based in Chile132
- Clinical laboratories based in Canada130
- Clinical laboratories based in Peru129
- Clinical laboratories based in Nigeria121
- Clinical laboratories based in Australia111
- Clinical laboratories based in Indonesia110
- Clinical laboratories based in the Netherlands102
- Clinical laboratories based in Greece101
- Clinical laboratories based in South Africa100
- Clinical laboratories based in Poland93
- Clinical laboratories based in Egypt92
- Clinical laboratories based in Switzerland88
- Clinical laboratories based in the Philippines88
- Clinical laboratories based in the United Arab Emirates81
- Clinical laboratories based in Portugal74
- Clinical laboratories based in Ecuador72
- Clinical laboratories based in Saudi Arabia59
- Clinical laboratories based in Belgium58
- Clinical laboratories based in Malaysia53
- Clinical laboratories based in Czechia45
- Clinical laboratories based in Romania42
- Clinical laboratories based in Sweden40
- Clinical laboratories based in Austria36
- Clinical laboratories based in Denmark28
- Clinical laboratories based in New Zealand25
Cities
- Clinical laboratories based in Sao Paulo, Brazil167
- Clinical laboratories based in New Delhi, India110
- Clinical laboratories based in Hyderabad, India82
- Clinical laboratories based in Mumbai, India77
- Clinical laboratories based in Delhi, India61
- Clinical laboratories based in Belo Horizonte, Brazil60
- Clinical laboratories based in Houston, United States45
- Clinical laboratories based in Ahmedabad, India42
- Clinical laboratories based in San Diego, United States35
- Clinical laboratories based in Rio De Janeiro, Brazil34
- Clinical laboratories based in Irvine, United States32
- Clinical laboratories based in Campinas, Brazil29
- Clinical laboratories based in Dallas, United States25
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.