Company lists · Data refreshed November 2026

Top 25 Radiology companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,377 companies tracked

RevenueBase identified 12,377 company matches for radiology companies worldwide as of November 2026 and tracks 338,816 professional contacts across them, including 99,927 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

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

12,377Companies

338,816Contacts tracked

99,927Verified emails

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The 25 largest radiology companies worldwide

Ranked by team size

Top 25 of 12,377 company matches for radiology companies 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	Siemens Healthineers	Exact match	Forchheim, GermanyHQ recorded Nov 6, 2026	10001+	49,868 contacts →
	Exact match “Siemens Healthineers is a leading medtech company with over 125 years of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Varian	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	10001+	6,960 contacts →
	Exact match “At Varian, a Siemens Healthineers company, we envision a world without fear of cancer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Life Healthcare	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	10001+	6,014 contacts →
	Exact match “Life Healthcare is a global, diversified people-centred and Johannesburg Stock Exchange-listed healthcare organisation that in southern Africa offers acute care, acute mental…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Carestream	Exact match	Rochester, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,694 contacts →
	Exact match “Carestream's products make a difference every day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Radnet	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	10001+	3,398 contacts →
	Exact match “RadNet, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Unilabs	Exact match	Geneva, SwitzerlandHQ recorded Nov 6, 2026	10001+	2,541 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 · Nov 6, 2026 · View company records in RevenueBase
7	Guerbet	Exact match	Villepinte, FranceHQ recorded Nov 6, 2026	1,001-5,000	2,470 contacts →
	Exact match “Guerbet is a global leader in medical imaging, dedicated to improving patient care through innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Curium Pharma	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,168 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 · Nov 6, 2026 · View company records in RevenueBase
9	Radiology Partners	Exact match	Nashville, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,103 contacts →
	Exact match “Our mission is to transform radiology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Idime S.A	Exact match	Bogotá, ColombiaHQ recorded Nov 6, 2026	5,001-10,000	1,941 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 · Nov 6, 2026 · View company records in RevenueBase
11	Ventra Health	Exact match	Dallas, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,935 contacts →
	Exact match “Ventra is a leading business solutions provider for facility-based physicians practicing anesthesia, emergency medicine, hospital medicine, and radiology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Affidea	Exact match	The Hague, NetherlandsHQ recorded Nov 6, 2026	10001+	1,934 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 · Nov 6, 2026 · View company records in RevenueBase
13	I-Med Radiology Network	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	1,873 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 · Nov 6, 2026 · View company records in RevenueBase
14	Envision Healthcare	Exact match	Nashville, TN, United StatesHQ recorded Nov 6, 2026	10001+	1,855 contacts →
	Exact match “Envision Healthcare is a leading medical group that delivers physician and advanced practice provider services, primarily in the areas of emergency and hospitalist medicine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	FIDI	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,710 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 · Nov 6, 2026 · View company records in RevenueBase
16	Bracco	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	1,551 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 · Nov 6, 2026 · View company records in RevenueBase
17	Inhealth	Exact match	High Wycombe, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,524 contacts →
	Exact match “InHealth is the UK’s largest specialist provider of diagnostic and healthcare solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Sectra	Exact match	Linköping, ON, SwedenHQ recorded Nov 6, 2026	1,001-5,000	1,429 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 · Nov 6, 2026 · View company records in RevenueBase
19	Lantheus	Exact match	Bedford, United StatesHQ recorded Nov 6, 2026	501-1,000	1,349 contacts →
	Exact match “Lantheus is the leading radiopharmaceutical-focused company, delivering life-changing science to enable clinicians to Find, Fight and Follow disease to deliver better patient…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Varex Imaging Corporation	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,274 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 · Nov 6, 2026 · View company records in RevenueBase
21	Vijaya Diagnostic Centre Limited	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,252 contacts →
	Exact match “Welcome to Vijaya Diagnostics Centre – India's Premier Diagnostic Network!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Sonic Healthcare	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	10001+	1,217 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 · Nov 6, 2026 · View company records in RevenueBase
23	Rayus Radiology	Exact match	St Louis Park, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,184 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 · Nov 6, 2026 · View company records in RevenueBase
24	Akumin	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,119 contacts →
	Exact match “Akumin is a leading U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Medall	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	501-1,000	1,096 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 · 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 “radiology 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 12,377 radiology companies worldwide

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Radiology companies worldwide at a glance

As of Nov 6, 2026

29.5%Verified-email coverage

27.4Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,606

11-50

4,479

51-200

2,059

201-500

598

501-1,000

202

1,001-5,000

165

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 radiology companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “radiology 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 99,927 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.

Radiology companies by location

57 lists · largest first

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

How many radiology companies are there worldwide?

RevenueBase identified 12,377 company matches for radiology companies 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?

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

Which country has the most radiology companies?

The United States leads with 3,215 companies, followed by Brazil (1,693) and India (751). Every radiology companies list by country and city is linked on this page.

Which city has the most radiology companies?

Sao Paulo leads with 182 company records, followed by Rio De Janeiro (91) and London (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 99,927 professional contacts with verified work emails tracked across these 12,377 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.