Company lists · Data refreshed September 2026

Top 25 Radiation oncology centers worldwide

RevenueBase identified 999 company matches for radiation oncology centers worldwide as of September 2026 and tracks 40,722 professional contacts across them, including 12,315 with verified work emails. The United States is the largest market and Berlin the largest hub.

This list covers company matches for radiation oncology centers 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 21, 2026. Country and city lists for radiation oncology centers 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 21, 2026 How this list was built
999Companies
40,722Contacts tracked
12,315Verified emails
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The 25 largest radiation oncology centers worldwide

Ranked by team size
Top 25 of 999 company matches for radiation oncology centers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPalo Alto, CA, United StatesHQ recorded Sep 21, 202610001+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 21, 2026 · View company records in RevenueBase
2Exact matchStockholm, SwedenHQ recorded Sep 21, 20261,001-5,0004,129 contacts →

Exact match

“Each year, millions of people hear the words no one wants to hear:"You have cancer." And behind each diagnosis lies a unique story, a family that deserves hope, a future that's…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchTampa, FL, United StatesHQ recorded Sep 21, 20261,001-5,0001,070 contacts →

Exact match

“Akumin is a leading U.S.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchMadison, WI, United StatesHQ recorded Sep 21, 2026501-1,0001,021 contacts →

Exact match

“We work passionately to expand the curative power of radiation therapy to improve as many lives as possible.#AccurayExpandRT #CyberKnife #Radixact #TomoTherapy #AccurayExchange”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Sep 21, 2026501-1,000918 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchPort Jefferson Station, NY, United StatesHQ recorded Sep 21, 20261,001-5,000783 contacts →

Exact match

“As a comprehensive community oncology center, NYCBS delivers world-class cancer care close to home.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchSão Paulo, BrazilHQ recorded Sep 21, 20261,001-5,000686 contacts →

Exact match

“Fundada em 1.968, o IBCC Oncologia é conhecida por ser um Centro de Tratamento Oncológico de alta complexidade e possuir um Centro de Pesquisa Clínica com mais de 130 estudos…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchLittle Rock, AR, United StatesHQ recorded Sep 21, 2026501-1,000618 contacts →

Exact match

“CARTI is a not-for-profit, multidisciplinary cancer care provider offering leading-edge medical, radiation and surgical oncology, interventional radiology, as well as an array of…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchPereira, ColombiaHQ recorded Sep 21, 2026501-1,000329 contacts →

Exact match

“Somos la institución de mayor integralidad en la atención del paciente oncológico en el Eje Cafetero colombiano.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 21, 2026201-500295 contacts →

Exact match

“Oncology Consultants has been a premiere adult medical oncology and hematology practice in Houston, TX since 1982.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchMelbourne, FL, United StatesHQ recorded Sep 21, 2026201-500293 contacts →

Exact match

“Sun Nuclear, part of Mirion Medical, provides innovative solutions for Radiation Therapy and Diagnostic Imaging centers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchChandler, AZ, United StatesHQ recorded Sep 21, 2026501-1,000291 contacts →

Exact match

“Ironwood Cancer & Research Centers are a group of community-based centers strategically located throughout the Metro Phoenix area.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchMaastricht, NetherlandsHQ recorded Sep 21, 2026201-500286 contacts →

Exact match

“Maastro provides patient care (with radiotherapy) and performs clinical radiotherapy research.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBurr Ridge, IL, United StatesHQ recorded Sep 21, 2026501-1,000274 contacts →

Exact match

“GentleCure® by SkinCure Oncology is the most comprehensive approach to delivering advanced, nonsurgical treatment for basal cell carcinoma, squamous cell carcinoma, and other skin…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Sep 21, 2026201-500269 contacts →

Exact match

“Com quase três décadas de experiência no combate ao câncer, oferecemos uma linha completa de cuidados, do diagnóstico ao tratamento, em um modelo de assistência que une…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchChennai, IndiaHQ recorded Sep 21, 2026201-500240 contacts →

Exact match

“Apollo Proton Cancer Centre, the most advanced Cancer Centre in India and the first Proton Therapy Centre in South Asia & the Middle East.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchTigard, OR, United StatesHQ recorded Sep 21, 2026201-500237 contacts →

Exact match

“Join the Compass Family!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchCiudad De Buenos Aires, ArgentinaHQ recorded Sep 21, 2026501-1,000232 contacts →

Exact match

“Contribuimos con nuestro esfuerzo permanente a mejorar la salud, brindando asistencia confiable y personalizada, en un marco de calidez, excelencia profesional y liderazgo…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBrno, Czech RepublicHQ recorded Sep 21, 20261,001-5,000197 contacts →

Exact match

“Masaryk Memorial Cancer Institute (MMCI) in Brno is a specialized comprehensive cancer center with supraregional activity that is certified by two quality certificates – by Joint…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchDortmund, GermanyHQ recorded Sep 21, 20261,001-5,000173 contacts →

Exact match

“Evidia Germany ist Teil der Evidia Group, eine der führenden Expertengruppen für Diagnostische und Interventionelle Radiologie, Nuklearmedizin und Strahlentherapie und…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchBrazilHQ recorded Sep 21, 202651-200159 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchArnhem, NetherlandsHQ recorded Sep 21, 2026201-500149 contacts →

Exact match

“Radiotherapiegroep heeft vier behandellocaties te weten: Arnhem, Deventer, Apeldoorn en Ede.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchIndiaHQ recorded Sep 21, 2026501-1,000149 contacts →

Exact match

“Bhagwan Mahaveer Cancer Hospital and Research Centre, Jaipur (BMCHRC) came into existence in the year 1997 with initial bed strength of 50 beds as a beginning.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchCape Town, South AfricaHQ recorded Sep 21, 202651-200145 contacts →

Exact match

“GVI Oncology is now known as Cancercare.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchPeoria, AZ, United StatesHQ recorded Sep 21, 2026201-500143 contacts →

Exact match

“The Arizona Center for Cancer Care is a Multispecialty Oncology group that is comprised of Radiation Oncology, Medical Oncology and Hematology, Gynecologic Oncology, Urology, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 999 radiation oncology centers worldwide

See the full list, filter by size, metro and specialty, and access 12,315 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Radiation oncology centers worldwide at a glance

As of Sep 21, 2026
30.2%Verified-email coverage
40.8Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Berlin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
262
11-50
334
51-200
224
201-500
83
501-1,000
53
1,001-5,000
21
5,001-10,000
10
10001+
4

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 radiation oncology centers are linked below.
What qualifies
Company records worldwide whose business descriptions match “radiation oncology centers” 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 12,315 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 21, 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.

Radiation oncology centers by location

5 lists · largest first

Every Radiation oncology centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “radiation oncology centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many radiation oncology centers are there worldwide?

RevenueBase identified 999 company matches for radiation oncology centers 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?

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

Which country has the most radiation oncology centers?

The United States leads with 311 companies, followed by Brazil (91) and Germany (85). Every radiation oncology centers list by country and city is linked on this page.

Which city has the most radiation oncology centers?

Berlin leads with 11 company records, followed by Houston (9) and Sao Paulo (7).

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 12,315 professional contacts with verified work emails tracked across these 999 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 21, 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.