Company lists · Data refreshed September 2026

Top 25 Contract laboratory services worldwide

Name: Contract laboratory services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 9,251 companies tracked

RevenueBase identified 9,251 contract laboratory services worldwide as of September 2026 and tracks 580,351 professional contacts across them, including 151,760 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers contract laboratory services 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 19, 2026. Country and city lists for contract laboratory services 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 19, 2026 86% judged on-target in blind review

9,251Companies

580,351Contacts tracked

151,760Verified emails

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The 25 largest contract laboratory services worldwide

Ranked by team size

Top 25 of 9,251 contract laboratory services worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to contract laboratory services: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Thermo Fisher Scientific	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 19, 2026	10001+	70,907 contacts →
	Indirect evidence “About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Source: RevenueBase Database · checked Sep 19, 2026
2	SGS	Indirect evidence	Baar, SwitzerlandHQ checked Sep 19, 2026	10001+	60,606 contacts →
	Indirect evidence “SGS is the world’s leading Testing, Inspection and Certification company.” Source: RevenueBase Database · checked Sep 19, 2026
3	Agilent Technologies	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 19, 2026	10001+	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 19, 2026
4	Labcorp	Indirect evidence	Burlington, NC, United StatesHQ checked Sep 19, 2026	10001+	38,427 contacts →
	Indirect evidence “Clear and confident health care decisions begin with questions.” Source: RevenueBase Database · checked Sep 19, 2026
5	Quest Diagnostics	Indirect evidence	Secaucus, NJ, United StatesHQ checked Sep 19, 2026	10001+	27,884 contacts →
	Indirect evidence “Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Source: RevenueBase Database · checked Sep 19, 2026
6	Intertek	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	10001+	23,155 contacts →
	Indirect evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
7	Eurofins	Partial evidence	LuxembourgHQ checked Sep 19, 2026	10001+	11,653 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
8	ALS	Indirect evidence	Bowen Hills, AustraliaHQ checked Sep 19, 2026	10001+	9,234 contacts →
	Indirect evidence “A global leader in testing, ALS provides comprehensive testing solutions to clients in a wide range of industries around the world.” Source: RevenueBase Database · checked Sep 19, 2026
9	Waters Corporation	Indirect evidence	Milford, MA, United StatesHQ checked Sep 19, 2026	10001+	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 19, 2026
10	IDEXX	Indirect evidence	Westbrook, ME, United StatesHQ checked Sep 19, 2026	10001+	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 19, 2026
11	Perkinelmer	Indirect evidence	Shelton, CT, United StatesHQ checked Sep 19, 2026	5,001-10,000	5,229 contacts →
	Indirect evidence “For 85 years, PerkinElmer has pushed the boundaries of science in our food, industrial, life science and environmental markets.” Source: RevenueBase Database · checked Sep 19, 2026
12	Element Materials Technology	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	5,001-10,000	4,200 contacts →
	Indirect evidence “The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…” Source: RevenueBase Database · checked Sep 19, 2026
13	Ampath Laboratories	Partial evidence	Centurion, South AfricaHQ checked Sep 19, 2026	1,001-5,000	2,873 contacts →
	Partial 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 19, 2026
14	Metropolis Healthcare	Indirect evidence	Behind Glaxo, IndiaHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
15	TUV India Pvt. LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	2,277 contacts →
	Indirect evidence “TUV India Pvt.” Source: RevenueBase Database · checked Sep 19, 2026
16	Cotecna	Indirect evidence	Plainpalais, SwitzerlandHQ checked Sep 19, 2026	5,001-10,000	2,274 contacts →
	Indirect evidence “Cotecna is a leading provider of testing, inspection and certification services.” Source: RevenueBase Database · checked Sep 19, 2026
17	Pace Analytical Services	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,228 contacts →
	Indirect evidence “Pace® Science and Technology Company makes the world a safer, healthier place.” Source: RevenueBase Database · checked Sep 19, 2026
18	Pathcare	Partial evidence	Cape Town, South AfricaHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
19	Clinisys	Partial evidence	Uk, AZ, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,878 contacts →
	Partial 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 19, 2026
20	Control Union	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 19, 2026	1,001-5,000	1,678 contacts →
	Indirect evidence “Control Union is a private international company that has been serving the commodity market since 1920.” Source: RevenueBase Database · checked Sep 19, 2026
21	Eurofins Lancaster Laboratories	Strong evidence	Lancaster, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,638 contacts →
	Strong 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 19, 2026
22	Bioreference	Partial evidence	Elmwood Park, NJ, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,610 contacts →
	Partial 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 19, 2026
23	QIMA	Indirect evidence	Hong KongHQ checked Sep 19, 2026	5,001-10,000	1,549 contacts →
	Indirect evidence “QIMA is more than a testing, inspection, certification, and compliance company: We are on a mission to offer clients smart solutions to make products consumers can trust.” Source: RevenueBase Database · checked Sep 19, 2026
24	Clinical Pathology Laboratories	Partial evidence	Austin, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,528 contacts →
	Partial evidence “Clinical Pathology Laboratories (CPL) is a medically-led company dating back to 1948.” Source: RevenueBase Database · checked Sep 19, 2026
25	Iqvia Laboratories	Partial evidence	United StatesHQ checked Sep 19, 2026	5,001-10,000	1,400 contacts →
	Partial evidence “As a leading global drug discovery and development laboratory services organization, IQVIA Laboratories provides a broad range of central laboratory and specialty biomarker…” Source: RevenueBase Database · checked Sep 19, 2026

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: contract laboratory services. 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 contract laboratory services.
Partial evidence: Its own public description names part of contract laboratory services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name contract laboratory services. 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 9,251 contract laboratory services worldwide

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Contract laboratory services worldwide at a glance

As of Sep 19, 2026

26.1%Verified-email coverage

62.7Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

3,278

11-50

3,487

51-200

1,544

201-500

474

501-1,000

185

1,001-5,000

154

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 contract laboratory services, 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: Every country. Country and city lists for contract laboratory services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “contract laboratory services”. 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 contract laboratory services), 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 contract laboratory services, 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, 151,760 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 19, 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.

Contract laboratory services by location

29 lists · largest first

Every Contract laboratory services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Contract laboratory services based in Hyderabad, India56

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 contract laboratory services, 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 contract laboratory services are there worldwide?

RevenueBase identified 9,251 contract laboratory services 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?

Thermo Fisher Scientific, headquartered in Waltham, tops this list with the largest team on record.

Which country has the most contract laboratory services?

The United States leads with 1,789 companies, followed by Brazil (1,298) and India (735). Every contract laboratory services list by country and city is linked on this page.

Which city has the most contract laboratory services?

Sao Paulo leads with 85 headquartered companies, followed by Hyderabad (56) and Houston (44).

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 151,760 verified decision-maker contacts tracked across these 9,251 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 19, 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.