Company lists · Data refreshed September 2026

Top 25 Laboratory testing companies worldwide

RevenueBase identified 12,721 company matches for laboratory testing companies worldwide as of September 2026 and tracks 650,936 professional contacts across them, including 171,472 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for laboratory testing companies 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 September 20, 2026. Country and city lists for laboratory testing companies 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 Sep 20, 2026 How this list was built
12,721Companies
650,936Contacts tracked
171,472Verified emails
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The 25 largest laboratory testing companies worldwide

Ranked by team size
Top 25 of 12,721 company matches for laboratory testing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchWaltham, MA, United StatesHQ recorded Sep 20, 202610001+70,907 contacts →

Exact match

“About Thermo Fisher Scientific Thermo Fisher Scientific Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSanta Clara, CA, United StatesHQ recorded Sep 20, 202610001+48,455 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchBurlington, NC, United StatesHQ recorded Sep 20, 202610001+38,427 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchSecaucus, NJ, United StatesHQ recorded Sep 20, 202610001+27,884 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Sep 20, 202610001+19,606 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 · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLuxembourgHQ recorded Sep 20, 202610001+11,653 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 · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBrea, CA, United StatesHQ recorded Sep 20, 202610001+10,069 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 · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBowen Hills, AustraliaHQ recorded Sep 20, 202610001+9,234 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 · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMilford, MA, United StatesHQ recorded Sep 20, 202610001+8,189 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchHercules, CA, United StatesHQ recorded Sep 20, 20265,001-10,0008,149 contacts →

Exact match

“Bio-Rad provides the healthcare industry with innovative and useful products that help life science researchers accelerate the discovery process and medical diagnostic labs obtain…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWestbrook, ME, United StatesHQ recorded Sep 20, 202610001+6,962 contacts →

Exact match

“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?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchGurgaon, IndiaHQ recorded Sep 20, 20261,001-5,0004,756 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 · Sep 20, 2026 · View company records in RevenueBase
13Exact matchJohannesburg, South AfricaHQ recorded Sep 20, 20265,001-10,0004,365 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 · Sep 20, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Sep 20, 20265,001-10,0003,581 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 · Sep 20, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 20, 20265,001-10,0003,469 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 · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWaltham, MA, United StatesHQ recorded Sep 20, 202610001+2,938 contacts →

Exact match

“At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchCenturion, South AfricaHQ recorded Sep 20, 20261,001-5,0002,873 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 · Sep 20, 2026 · View company records in RevenueBase
18Exact matchNavi Mumbai, IndiaHQ recorded Sep 20, 20261,001-5,0002,823 contacts →

Exact match

“Why is Thyrocare more than just a workplace?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBehind Glaxo, IndiaHQ recorded Sep 20, 20261,001-5,0002,807 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 20261,001-5,0002,768 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 · Sep 20, 2026 · View company records in RevenueBase
21Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 20261,001-5,0002,718 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 · Sep 20, 2026 · View company records in RevenueBase
22Exact matchGeneva, SwitzerlandHQ recorded Sep 20, 202610001+2,350 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 · Sep 20, 2026 · View company records in RevenueBase
23Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 20261,001-5,0002,228 contacts →

Exact match

“Pace® Science and Technology Company makes the world a safer, healthier place.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchCape Town, South AfricaHQ recorded Sep 20, 20261,001-5,0002,127 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 · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSt.-ouen, FranceHQ recorded Sep 20, 202610001+1,980 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 · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 12,721 laboratory testing companies worldwide

See the full list, filter by size, metro and specialty, and access 171,472 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Laboratory testing companies worldwide at a glance

As of Sep 20, 2026
26.3%Verified-email coverage
51.2Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
4,381
11-50
4,683
51-200
2,179
201-500
776
501-1,000
278
1,001-5,000
243
5,001-10,000
37
10001+
56

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 laboratory testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “laboratory testing companies” 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 171,472 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 September 20, 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.

Laboratory testing companies by location

48 lists · largest first

Every Laboratory testing companies 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 “laboratory testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many laboratory testing companies are there worldwide?

RevenueBase identified 12,721 company matches for laboratory testing companies worldwide as of September 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?

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

Which country has the most laboratory testing companies?

The United States leads with 2,505 companies, followed by Brazil (2,003) and India (1,319). Every laboratory testing companies list by country and city is linked on this page.

Which city has the most laboratory testing companies?

Sao Paulo leads with 142 company records, followed by New Delhi (89) and Hyderabad (82).

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 171,472 professional contacts with verified work emails tracked across these 12,721 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 September 20, 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.