Company lists · Data refreshed September 2026

Top 25 Reference laboratories worldwide

RevenueBase identified 11,672 company matches for reference laboratories worldwide as of September 2026 and tracks 557,547 professional contacts across them, including 122,746 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for reference laboratories 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 21, 2026. Country and city lists for reference laboratories 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 21, 2026 How this list was built
11,672Companies
557,547Contacts tracked
122,746Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest reference laboratories worldwide

Ranked by team size
Top 25 of 11,672 company matches for reference laboratories worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchSanta Clara, CA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchBurlington, NC, United StatesHQ recorded Sep 21, 202610001+38,427 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchSecaucus, NJ, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4Exact matchSao Paulo, BrazilHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5Exact matchLuxembourgHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Sep 21, 202610001+10,468 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 · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBrea, CA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchBowen Hills, AustraliaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9Exact matchMilford, MA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10Exact matchWestbrook, ME, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
12Exact matchSunnyvale, CA, United StatesHQ recorded Sep 21, 20265,001-10,0004,445 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchJohannesburg, South AfricaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16Exact matchWaltham, MA, United StatesHQ recorded Sep 21, 202610001+3,436 contacts →

Exact match

“Life Technologies is now part of Thermo Fisher Scientific.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchCenturion, South AfricaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18Exact matchNavi Mumbai, IndiaHQ recorded Sep 21, 20261,001-5,0002,823 contacts →

Exact match

“Why is Thyrocare more than just a workplace?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBehind Glaxo, IndiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
20Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22Exact matchGeneva, SwitzerlandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
23Exact matchNussloch, United StatesHQ recorded Sep 21, 20261,001-5,0002,304 contacts →

Exact match

“Leica Biosystems is proud to be part of Danaher.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchMinneapolis, MN, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25Exact matchCape Town, South AfricaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase

Showing 25 of 11,672 reference laboratories worldwide

See the full list, filter by size, metro and specialty, and access 122,746 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Reference laboratories worldwide at a glance

As of Sep 21, 2026
22.0%Verified-email coverage
47.8Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
3,733
11-50
4,360
51-200
2,100
201-500
765
501-1,000
282
1,001-5,000
256
5,001-10,000
37
10001+
54

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 reference laboratories are linked below.
What qualifies
Company records worldwide whose business descriptions match “reference laboratories” 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 122,746 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 21, 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.

Reference laboratories by location

45 lists · largest first

Every Reference 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 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 “reference laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many reference laboratories are there worldwide?

RevenueBase identified 11,672 company matches for reference laboratories 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?

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

Which country has the most reference laboratories?

Brazil leads with 1,973 companies, followed by the United States (1,735) and India (1,258). Every reference laboratories list by country and city is linked on this page.

Which city has the most reference laboratories?

Sao Paulo leads with 152 company records, followed by New Delhi (100) and Hyderabad (73).

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 122,746 professional contacts with verified work emails tracked across these 11,672 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,672 reference laboratories worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.