Company lists · Data refreshed October 2026

Top 25 Medical diagnostic companies worldwide

Name: Medical diagnostic companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 9,687 companies tracked

RevenueBase identified 9,687 company matches for medical diagnostic companies worldwide as of October 2026 and tracks 619,974 professional contacts across them, including 154,258 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for medical diagnostic 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 October 18, 2026. Country and city lists for medical diagnostic 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 Oct 18, 2026 How this list was built

9,687Companies

619,974Contacts tracked

154,258Verified emails

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The 25 largest medical diagnostic companies worldwide

Ranked by team size

Top 25 of 9,687 company matches for medical diagnostic companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Siemens Healthineers	Exact match	Forchheim, GermanyHQ recorded Oct 18, 2026	10001+	48,758 contacts →
	Exact match “Siemens Healthineers is a leading medtech company with over 125 years of experience.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	Agilent Technologies	Exact match	Santa Clara, CA, United StatesHQ recorded Oct 18, 2026	10001+	48,350 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 · Oct 18, 2026 · View company records in RevenueBase
3	Labcorp	Exact match	Burlington, NC, United StatesHQ recorded Oct 18, 2026	10001+	39,299 contacts →
	Exact match “Clear and confident health care decisions begin with questions.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	Quest Diagnostics	Exact match	Secaucus, NJ, United StatesHQ recorded Oct 18, 2026	10001+	29,250 contacts →
	Exact match “Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	DASA	Exact match	Sao Paulo, BrazilHQ recorded Oct 18, 2026	10001+	18,788 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 · Oct 18, 2026 · View company records in RevenueBase
6	Biomérieux	Exact match	Marcy-l'étoile, GermanyHQ recorded Oct 18, 2026	10001+	12,398 contacts →
	Exact match “A family-owned company, bioMérieux has grown to become a world leader in the field of in vitro diagnostics.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Grupo Fleury	Exact match	São Paulo, BrazilHQ recorded Oct 18, 2026	10001+	11,101 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 · Oct 18, 2026 · View company records in RevenueBase
8	Beckman Coulter Diagnostics	Exact match	Brea, CA, United StatesHQ recorded Oct 18, 2026	10001+	10,426 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 · Oct 18, 2026 · View company records in RevenueBase
9	Waters Corporation	Exact match	Milford, MA, United StatesHQ recorded Oct 18, 2026	10001+	9,962 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 · Oct 18, 2026 · View company records in RevenueBase
10	Illumina	Exact match	San Diego, CA, United StatesHQ recorded Oct 18, 2026	5,001-10,000	9,479 contacts →
	Exact match “At Illumina, our goal is to apply innovative technologies and revolutionary assays to the analysis of genetic variation and function, making studies possible that were not even…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Bio-Rad Laboratories	Exact match	Hercules, CA, United StatesHQ recorded Oct 18, 2026	5,001-10,000	8,486 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 · Oct 18, 2026 · View company records in RevenueBase
12	Dedalus	Exact match	Milan, ItalyHQ recorded Oct 18, 2026	5,001-10,000	5,433 contacts →
	Exact match “Dedalus Group is the leading healthcare and diagnostic software provider in Europe, supporting globally the digital transformation of 7500 Healthcare Organisations and 5700 Labs…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Exact Sciences	Exact match	Madison, WI, United StatesHQ recorded Oct 18, 2026	5,001-10,000	5,055 contacts →
	Exact match “Exact Sciences is now @Abbott.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Menarini Group	Exact match	Florence, ItalyHQ recorded Oct 18, 2026	10001+	4,924 contacts →
	Exact match “The Menarini Group is a leading international pharmaceutical and diagnostics company, with 140 years of history, present in 140 countries worldwide, with a turnover of 4.88…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	DR LAL Pathlabs	Exact match	Gurgaon, IndiaHQ recorded Oct 18, 2026	1,001-5,000	4,815 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 · Oct 18, 2026 · View company records in RevenueBase
16	Cepheid	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 18, 2026	5,001-10,000	4,514 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 · Oct 18, 2026 · View company records in RevenueBase
17	Werfen	Exact match	L'hospitalet De Llobregat, SpainHQ recorded Oct 18, 2026	5,001-10,000	3,807 contacts →
	Exact match “Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Quidelortho	Exact match	United StatesHQ recorded Oct 18, 2026	5,001-10,000	3,693 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 · Oct 18, 2026 · View company records in RevenueBase
19	Life Technologies	Exact match	Waltham, MA, United StatesHQ recorded Oct 18, 2026	10001+	3,604 contacts →
	Exact match “Life Technologies is now part of Thermo Fisher Scientific.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Lifelabs Medical Laboratory Services	Exact match	Toronto, ON, CanadaHQ recorded Oct 18, 2026	5,001-10,000	3,488 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 · Oct 18, 2026 · View company records in RevenueBase
21	Salud Digna	Exact match	Culiacán, MexicoHQ recorded Oct 18, 2026	5,001-10,000	3,356 contacts →
	Exact match “Ser la institución líder en prevención y diagnóstico oportuno, en las áreas de influencia de nuestras clínicas, que contribuya a conservar y mejorar la salud de las personas.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Radnet	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 18, 2026	10001+	3,285 contacts →
	Exact match “RadNet, Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Revvity	Exact match	Waltham, MA, United StatesHQ recorded Oct 18, 2026	10001+	3,071 contacts →
	Exact match “At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Metropolis Healthcare	Exact match	Behind Glaxo, IndiaHQ recorded Oct 18, 2026	1,001-5,000	2,850 contacts →
	Exact match “We believe that every human being deserves to know the truth about their inner health.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Thyrocare Technologies LTD	Exact match	Navi Mumbai, IndiaHQ recorded Oct 18, 2026	1,001-5,000	2,847 contacts →
	Exact match “Why is Thyrocare more than just a workplace?” Recorded in the RevenueBase company graph · Oct 18, 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 “medical diagnostic companies”. 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 9,687 medical diagnostic companies worldwide

See the full list, filter by size, metro and specialty, and access 154,258 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Medical diagnostic companies worldwide at a glance

As of Oct 18, 2026

24.9%Verified-email coverage

64.0Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

2,884

11-50

3,525

51-200

1,850

201-500

708

501-1,000

295

1,001-5,000

281

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 medical diagnostic companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “medical diagnostic 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 154,258 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 October 18, 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.

Medical diagnostic companies by location

60 lists · largest first

Every Medical diagnostic 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 “medical diagnostic companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many medical diagnostic companies are there worldwide?

RevenueBase identified 9,687 company matches for medical diagnostic companies worldwide as of October 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?

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

Which country has the most medical diagnostic companies?

The United States leads with 1,289 companies, followed by Brazil (1,225) and India (1,224). Every medical diagnostic companies list by country and city is linked on this page.

Which city has the most medical diagnostic companies?

Sao Paulo leads with 110 company records, followed by New Delhi (105) and Bangalore (76).

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 154,258 professional contacts with verified work emails tracked across these 9,687 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 October 18, 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.