Company lists · Data refreshed November 2026

Top 25 Assay laboratories worldwide

Name: Assay laboratories worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,482 companies tracked

RevenueBase identified 8,482 company matches for assay laboratories worldwide as of November 2026 and tracks 352,071 professional contacts across them, including 75,523 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for assay 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 November 6, 2026. Country and city lists for assay 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 Nov 6, 2026 How this list was built

8,482Companies

352,071Contacts tracked

75,523Verified emails

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The 25 largest assay laboratories worldwide

Ranked by team size

Top 25 of 8,482 company matches for assay laboratories 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Agilent Technologies	Exact match	Santa Clara, United StatesHQ recorded Nov 6, 2026	10001+	48,766 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 · Nov 6, 2026 · View company records in RevenueBase
2	Labcorp	Exact match	Burlington, NC, United StatesHQ recorded Nov 6, 2026	10001+	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
3	Quest Diagnostics	Exact match	Secaucus, NJ, United StatesHQ recorded Nov 6, 2026	10001+	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
4	Eurofins	Exact match	LuxembourgHQ recorded Nov 6, 2026	10001+	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
5	ALS	Exact match	Bowen Hills, TX, AustraliaHQ recorded Nov 6, 2026	10001+	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
6	Waters Corporation	Exact match	Milford, MA, United StatesHQ recorded Nov 6, 2026	10001+	10,325 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 · Nov 6, 2026 · View company records in RevenueBase
7	Pace Analytical Services	Exact match	Minneapolis, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,334 contacts →
	Exact match “Pace® Science and Technology Company makes the world a safer, healthier place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Biogroup	Exact match	St.-ouen, FranceHQ recorded Nov 6, 2026	10001+	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
9	Pathcare	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	2,250 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
10	Iqvia Laboratories	Exact match	United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,845 contacts →
	Exact match “As a leading global drug discovery and development laboratory services organization, IQVIA Laboratories provides a broad range of central laboratory and specialty biomarker…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Eurofins Lancaster Laboratories	Exact match	Lancaster, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,676 contacts →
	Exact match “Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Clinical Pathology Laboratories	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,630 contacts →
	Exact match “Clinical Pathology Laboratories (CPL) is a medically-led company dating back to 1948.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Bioreference	Exact match	Elmwood Park, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,520 contacts →
	Exact match “For more than four decades, BioReference has built a legacy based on scientific excellence, innovation and world-class service in laboratory testing solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	PT Prodia Widyahusada TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	1,427 contacts →
	Exact match “Prodia Clinical Laboratory was established in Solo on May 7th, 1973 by a number of pharmacy-based scientists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Vimta Labs LTD	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,395 contacts →
	Exact match “Founded in 1984 with headquarters in Hyderabad, India, VIMTA LABS LTD.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Sonora Quest Laboratories Laboratory Sciences Of Arizona	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,295 contacts →
	Exact match “Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is an Arizona-based joint venture between Banner Health and Quest Diagnostics (NYSE: DGX) that makes up…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Agat Laboratories	Exact match	Calgary, QC, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,126 contacts →
	Exact match “Since 1979, AGAT Laboratories has been empowering clients with trustworthy data and unmatched client relations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Sullivan Nicolaides Pathology	Exact match	Bowen Hills, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	1,062 contacts →
	Exact match “Sullivan Nicolaides Pathology is one of Australia’s largest and most respected diagnostic testing laboratories, regarded for our expertise in esoteric as much as routine testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Neuberg Diagnostics	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	10001+	1,006 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Bioagilytix	Exact match	Durham, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	945 contacts →
	Exact match “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	AGQ Labs	Exact match	Seville, SpainHQ recorded Nov 6, 2026	501-1,000	827 contacts →
	Exact match “AGQ Labs is one of the world's leading analytic laboratories and technological centers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Referencia Laboratorio Clínico	Exact match	Santo Domingo Oeste., Dominican RepublicHQ recorded Nov 6, 2026	1,001-5,000	823 contacts →
	Exact match “Referencia Laboratorio Clínico, empresa dedicada al servicio de la salud, tiene como objetivo la obtención de un resultado de análisis clínico confiable, preciso y oportuno…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Nelson Labs	Exact match	Salt Lake City, United StatesHQ recorded Nov 6, 2026	501-1,000	807 contacts →
	Exact match “Nelson Labs is a global leader in microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Cellcarta	Exact match	Montreal, NS, CanadaHQ recorded Nov 6, 2026	501-1,000	780 contacts →
	Exact match “CellCarta is a leading global CRO laboratory to the biopharmaceutical and biotechnology industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Equinox Labs	Exact match	Navi Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	774 contacts →
	Exact match “We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “assay laboratories”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,482 assay laboratories worldwide

See the full list, filter by size, metro and specialty, and access 75,523 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Assay laboratories worldwide at a glance

As of Nov 6, 2026

21.5%Verified-email coverage

41.5Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,057

11-50

3,380

51-200

1,313

201-500

352

501-1,000

128

1,001-5,000

102

5,001-10,000

10001+

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 assay laboratories are linked below.
What qualifies: Company records worldwide whose business descriptions match “assay 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 75,523 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.

Assay laboratories by location

33 lists · largest first

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

How many assay laboratories are there worldwide?

RevenueBase identified 8,482 company matches for assay laboratories 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?

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

Which country has the most assay laboratories?

The United States leads with 1,598 companies, followed by Brazil (1,130) and India (659). Every assay laboratories list by country and city is linked on this page.

Which city has the most assay laboratories?

Sao Paulo leads with 69 company records, followed by Hyderabad (49) and Ahmedabad (38).

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 75,523 professional contacts with verified work emails tracked across these 8,482 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.