Company lists · Data refreshed November 2026

Top 25 Leukemia patient advocacy groups worldwide

RevenueBase identified 416 company matches for leukemia patient advocacy groups worldwide as of November 2026 and tracks 6,986 professional contacts across them, including 1,240 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for leukemia patient advocacy groups 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 leukemia patient advocacy groups 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
416Companies
6,986Contacts tracked
1,240Verified emails
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The 25 largest leukemia patient advocacy groups worldwide

Ranked by team size
Top 25 of 416 company matches for leukemia patient advocacy groups 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,482 contacts →

Exact match

“The Leukemia & Lymphoma Society is now Blood Cancer United, and we believe everyone with blood cancer deserves a longer, better life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,0001,264 contacts →

Exact match

“LÖSEV – Lösemili Çocuklar Sağlık ve Eğitim Vakfı, 8 Kasım 1998’de büyük bir iyilik yolculuğuna çıktı.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-200219 contacts →

Exact match

“The Leukaemia Foundation is the only national charity dedicated to helping those with leukaemia, lymphoma, myeloma and related blood disorders survive and then live a better…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200187 contacts →

Exact match

“We're a community dedicated to beating blood cancer- leukaemia, lymphoma, myeloma through research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRome, ItalyHQ recorded Nov 6, 2026n/a171 contacts →

Exact match

“Dal 1969 AIL promuove e sostiene la ricerca scientifica per la cura delle leucemie, dei linfomi e del mieloma.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“A Abrale (Associação Brasileira de Câncer do Sangue) é uma organização sem fins lucrativos, de abrangência nacional, criada em 2002 por pacientes e familiares com a missão de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBadalona Cataluna, SpainHQ recorded Nov 6, 2026201-50087 contacts →

Exact match

“The Josep Carreras Leukaemia Research Institute was founded in 2010, by the Josep Carreras Foundation and the Government of Catalonia, as the first European research centre…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSouth Jordan, UT, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Find your best blood cancer treatment options and clinical trials.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“DKMS Foundation India, is a non-profit organization dedicated to the fight against blood cancer and other blood disorders, such as Thalassemia and Aplastic anemia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRome, ItalyHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“La Fondazione GIMEMA (Gruppo Italiano Malattie EMatologiche dell’Adulto) promuove da oltre 30 anni la ricerca sulle leucemie e sulle altre malattie del sangue.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRichmond, AustraliaHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“Since 1973, the ALLG and its members have delivered world-class clinical trials and continue to advance the treatment, care and quality of life for patients with blood cancer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“NFK komt op voor de belangen van mensen die kanker hebben (gehad) en hun naasten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAylesbury, United KingdomHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“We are the UK’s leading charity dedicated to supporting people affected by lymphoma, the most common blood cancer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 6, 2026n/a43 contacts →

Exact match

“RoseUp association est une association d'intérêt général (loi 1901) qui accompagne, informe et défends les droits des malades de cancer”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Leukaemia UK funds ground-breaking research to stop leukaemia devastating lives by accelerating progress in diagnosis, treatment and care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“O Instituto Oncoguia, uma associação sem fins lucrativos tem como missão ajudar o paciente com câncer a viver melhor por meio de informação de qualidade e do empoderamento da…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Patiëntenorganisatie bloedkanker, lymfklierkanker, stamceltransplantatie De doelstellingen van Hematon zijn informatievoorziening, lotgenotencontact en belangenbehartiging voor…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Cada año miles de personas en el mundo enferman de leucemia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWorcester, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Leukaemia Care is a UK charity supporting people affected by leukaemia, myelodysplastic syndromes (MDS) and myeloproliferative neoplasms (MPN).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNetherlandsHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“We are the patient's voice in cancer!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“DKMS Asia is part of the international DKMS group, a charitable organization dedicated to saving the lives of patients with blood cancer and blood disorders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Luchamos contra la #LeucemiaInfantil a través de la investigación ¿Te sumas?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSouthbank, AustraliaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Fight Cancer Foundation was established in 1989 as the Bone Marrow Donor Institute with the vision to give cancer patients a second chance of life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFarmington Hills, MI, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“We've been providing comprehensive support to Michigan Blood Cancer patients and families for over 70 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLévis Saint Nom, FranceHQ recorded Nov 6, 20261-1020 contacts →

Exact match

“Laurette FUGAIN l'association qui lutte contre les leucémies a été créée en 2002 par Stéphanie Fugain, Présidente de l'association.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 416 leukemia patient advocacy groups worldwide

See the full list, filter by size, metro and specialty, and access 1,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Leukemia patient advocacy groups worldwide at a glance

As of Nov 6, 2026
17.7%Verified-email coverage
16.8Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
274
11-50
105
51-200
16
201-500
5
501-1,000
1
1,001-5,000
11
5,001-10,000
1
10001+
2

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 leukemia patient advocacy groups are linked below.
What qualifies
Company records worldwide whose business descriptions match “leukemia patient advocacy groups” 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 1,240 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.

Leukemia patient advocacy groups by location

1 lists · largest first

Every Leukemia patient advocacy groups 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 “leukemia patient advocacy groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many leukemia patient advocacy groups are there worldwide?

RevenueBase identified 416 company matches for leukemia patient advocacy groups 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?

The Leukemia & Lymphoma Society tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most leukemia patient advocacy groups?

The United States leads with 131 companies. Every leukemia patient advocacy groups list by country and city is linked on this page.

Which city has the most leukemia patient advocacy groups?

London leads with 13 company records, followed by Paris (8) and New York (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 1,240 professional contacts with verified work emails tracked across these 416 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.