Company lists · Data refreshed September 2026

Top 25 Diagnostic imaging companies worldwide

Name: Diagnostic imaging companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 9,870 companies tracked

RevenueBase identified 9,870 company matches for diagnostic imaging companies worldwide as of September 2026 and tracks 295,095 professional contacts across them, including 84,235 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for diagnostic imaging 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 19, 2026. Country and city lists for diagnostic imaging 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 19, 2026 How this list was built

9,870Companies

295,095Contacts tracked

84,235Verified emails

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The 25 largest diagnostic imaging companies worldwide

Ranked by team size

Top 25 of 9,870 company matches for diagnostic imaging companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 Sep 19, 2026	10001+	44,956 contacts →
	Exact match “Siemens Healthineers is a leading medtech company with over 125 years of experience.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Grupo Fleury	Exact match	São Paulo, BrazilHQ recorded Sep 19, 2026	10001+	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 19, 2026 · View company records in RevenueBase
3	Varian	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 19, 2026	10001+	8,815 contacts →
	Exact match “At Varian, a Siemens Healthineers company, we envision a world without fear of cancer.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Exact Sciences	Exact match	Madison, WI, United StatesHQ recorded Sep 19, 2026	5,001-10,000	5,907 contacts →
	Exact match “Exact Sciences is now @Abbott.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Carestream	Exact match	Rochester, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	3,535 contacts →
	Exact match “Carestream's products make a difference every day.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Radnet	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 19, 2026	10001+	3,126 contacts →
	Exact match “RadNet, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Guerbet	Exact match	Villepinte, FranceHQ recorded Sep 19, 2026	1,001-5,000	2,313 contacts →
	Exact match “Guerbet is a global leader in medical imaging, dedicated to improving patient care through innovation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Radiology Partners	Exact match	Nashville, TN, United StatesHQ recorded Sep 19, 2026	5,001-10,000	2,033 contacts →
	Exact match “Our mission is to transform radiology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Curium Pharma	Exact match	Boston, MA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,959 contacts →
	Exact match “Curium is the global leader in nuclear medicine, providing life-changing diagnostics and treatment to patients all over the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	I-Med Radiology Network	Exact match	Sydney, AustraliaHQ recorded Sep 19, 2026	1,001-5,000	1,770 contacts →
	Exact match “I-MED Radiology Network is Australasia’s leading diagnostic imaging provider, offering a comprehensive range of medical imaging and radiology services, including X-ray, PET, CT…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Affidea	Exact match	The Hague, NetherlandsHQ recorded Sep 19, 2026	10001+	1,755 contacts →
	Exact match “About Affidea -nothing is more important than health Affidea is the pan-European diagnostic imaging and community-based polyclinic and specialist healthcare services provider.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	FIDI	Exact match	São Paulo, BrazilHQ recorded Sep 19, 2026	1,001-5,000	1,606 contacts →
	Exact match “Fundada em 1986 por médicos da Escola Paulista de Medicina, hoje UNIFESP, a FIDI é uma fundação privada, sem fins lucrativos, que reinveste 100% dos recursos na saúde pública.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Idime S.A	Exact match	Bogotá, ColombiaHQ recorded Sep 19, 2026	5,001-10,000	1,556 contacts →
	Exact match “Somos una organización dedicada a la prestación de servicios de apoyo diagnóstico por medio de imágenes, laboratorio clínico y consulta externa, servicios en donde nos…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Bracco	Exact match	Milan, ItalyHQ recorded Sep 19, 2026	1,001-5,000	1,458 contacts →
	Exact match “Bracco is an international Group active in the healthcare sector and a leader in diagnostic imaging.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Inhealth	Exact match	High Wycombe, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	1,421 contacts →
	Exact match “InHealth is the UK’s largest specialist provider of diagnostic and healthcare solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Sectra	Exact match	Linköping, SwedenHQ recorded Sep 19, 2026	1,001-5,000	1,303 contacts →
	Exact match “Driven by knowledge and passion, our vision is to contribute to a healthier and safer society.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	United Imaging Healthcare	Exact match	Shanghai, TX, ChinaHQ recorded Sep 19, 2026	5,001-10,000	1,240 contacts →
	Exact match “At United Imaging Healthcare, we develop and produce advanced medical products, digital healthcare solutions, and intelligent solutions that cover the entire process of imaging…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Varex Imaging Corporation	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,175 contacts →
	Exact match “Our Mission: Through the talent of our people and vision of customers, we help improve and save lives throughout the world by making the invisible visible.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Sonic Healthcare	Exact match	Sydney, AustraliaHQ recorded Sep 19, 2026	10001+	1,123 contacts →
	Exact match “Sonic is a leading international healthcare company with specialist operations in pathology/laboratory medicine, radiology, general practice medicine and corporate medical…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Rayus Radiology	Exact match	St Louis Park, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,111 contacts →
	Exact match “As a leading national subspecialty provider for advanced diagnostic and interventional radiology services, RAYUS Radiology is challenging the status quo by shining the light on…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Simonmed Imaging	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,099 contacts →
	Exact match “SimonMed Imaging is the largest physician owned outpatient medical imaging provider in the nation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Akumin	Exact match	Tampa, FL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,070 contacts →
	Exact match “Akumin is a leading U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Medall	Exact match	Chennai, IndiaHQ recorded Sep 19, 2026	501-1,000	1,055 contacts →
	Exact match “Medall Diagnostics is a trusted diagnostic center offering Blood Tests, MRI, CT Scan, Ultrasound, X-Ray, and Full Body Health Checkups.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Islamabad Diagnostic Centre PVT LTD	Exact match	Islamabad, PakistanHQ recorded Sep 19, 2026	1,001-5,000	997 contacts →
	Exact match “Established in 2003, Islamabad Diagnostic Centre (IDC) is Pakistan's leading diagnostic center, committed to provide comprehensive medical diagnostic services through a network of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Alliança	Exact match	São Paulo, BrazilHQ recorded Sep 19, 2026	5,001-10,000	991 contacts →
	Exact match “Seja bem-vindo(a) à Alliança - Excelência em Saúde!” Recorded in the RevenueBase company graph · Sep 19, 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 “diagnostic imaging 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 9,870 diagnostic imaging companies worldwide

See the full list, filter by size, metro and specialty, and access 84,235 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diagnostic imaging companies worldwide at a glance

As of Sep 19, 2026

28.5%Verified-email coverage

29.9Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

3,595

11-50

3,580

51-200

1,736

201-500

510

501-1,000

174

1,001-5,000

143

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 diagnostic imaging companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “diagnostic imaging 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 84,235 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 19, 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.

Diagnostic imaging companies by location

44 lists · largest first

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

How many diagnostic imaging companies are there worldwide?

RevenueBase identified 9,870 company matches for diagnostic imaging 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?

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

Which country has the most diagnostic imaging companies?

The United States leads with 2,455 companies, followed by Brazil (1,446) and India (624). Every diagnostic imaging companies list by country and city is linked on this page.

Which city has the most diagnostic imaging companies?

Sao Paulo leads with 151 company records, followed by Rio De Janeiro (80) and London (63).

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 84,235 professional contacts with verified work emails tracked across these 9,870 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 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 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.