Company lists · Data refreshed November 2026

Top 25 Immunization services providers worldwide

RevenueBase identified 324 company matches for immunization services providers worldwide as of November 2026 and tracks 3,640 professional contacts across them, including 196 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for immunization services providers 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 immunization services providers 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
324Companies
3,640Contacts tracked
196Verified emails
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The 25 largest immunization services providers worldwide

Ranked by team size
Top 25 of 324 company matches for immunization services providers 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 matchPhoenix, CT, United StatesHQ recorded Nov 6, 20261,001-5,000544 contacts →

Exact match

“Passport Health is the largest provider of travel medical services in North America with more than 300 clinics in the U.S, Canada, and Mexico.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 20261,001-5,000146 contacts →

Exact match

“From small town America to big city, Coast to Coast, OccuVAX provides onsite flu vaccination clinics for Employers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“VaccinDirekt utför vaccinationer, tester, ger resemedicinsk rådgivning och utfärdar intyg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHà Nội, VietnamHQ recorded Nov 6, 20265,001-10,00094 contacts →

Exact match

“VNVC - HỆ THỐNG TRUNG TÂM TIÊM CHỦNG CHO TRẺ EM & NGƯỜI LỚN.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSão Bernardo Do Campo, BrazilHQ recorded Nov 6, 202611-5067 contacts →

Exact match

“Missão Oferecer assistência humanizada com máxima qualidade para realização de Campanhas de Vacinação in company, adequando e personalizando-a de acordo com a necessidade de cada…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSouthern Pines, NC, United StatesHQ recorded Nov 6, 2026n/a47 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchItu, BrazilHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“A Vacivitta é uma rede de clínicas de vacinação para todas as idades e possui uma equipe médica atualizada com tudo o que existe de mais recente em pesquisa e tecnologia nos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Sveriges kanske mest ambitiösa vaccinationsbolag med mottagningar för bokning och drop-in som inte liknar någon annans.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Homeland Health Specialists, Inc.(HHSI) is a Minnesota-based provider of essential wellness and vaccination services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBrazilHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Vacinar Centro Imunização is a company based out of Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLinköping, SwedenHQ recorded Nov 6, 2026201-50032 contacts →

Exact match

“Vaccinova – Vi finns där du är!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFlorianópolis, BrazilHQ recorded Nov 6, 202611-5022 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSanto Domingo, Dominican RepublicHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“En Escudea creemos que vacunarse debe ser un proceso seguro, accesible y fácil de entender.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Seattle Visiting Nurse Association (SVNA) is the largest community mass immunizer in Washington State.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEl Paso, TX, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Immunize El Paso is a vital healthcare resource for immunizations serving those who do not have a traditional medical home or are otherwise unable to obtain timely immunization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“A CLINIVAC é uma clínica especializada em imunizações – do recém-nascido ao adulto na melhor idade – que conta com uma equipe de médicos pediatras, infectologistas e enfermeiras…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBurnaby, BC, CanadaHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“TMVC is the largest medical facility in British Columbia specializing in travel and occupational medicine services and immunizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 202651-20014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Suomen Rokotepalvelu tuo suomalaisille lääketieteeseen pohjautuvaa tietoa virallisen rokotusohjelman ulkopuolisista rokotteista.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMequon, WI, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“VaxPro makes protecting your people effortless.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMilton, AustraliaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“VaxWorks Health Services is a trusted and well-respected provider of workplace vaccination clinics across Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSorocaba, BrazilHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“A Sorocaba Vacinas é a única e exclusiva clínica especializada em imunização humana para Sorocaba e região que possui o compromisso de promover a saúde através das vacinas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFort Wayne, IN, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“MISSION Promote vaccination and provide access to immunization community-wide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Our travel clinic is here to give you the shots you need before leaving the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKings Park, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“A full immunisation program is provided for children as per a usual appointment time.”

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

Showing 25 of 324 immunization services providers worldwide

See the full list, filter by size, metro and specialty, and access 196 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Immunization services providers worldwide at a glance

As of Nov 6, 2026
5.4%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
173
11-50
101
51-200
24
201-500
7
501-1,000
1
1,001-5,000
2
5,001-10,000
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 immunization services providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “immunization services providers” 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 196 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.

Immunization services providers by location

2 lists · largest first

Every Immunization services providers 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 “immunization services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many immunization services providers are there worldwide?

RevenueBase identified 324 company matches for immunization services providers 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?

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

Which country has the most immunization services providers?

Brazil leads with 147 companies, followed by the United States (36). Every immunization services providers list by country and city is linked on this page.

Which city has the most immunization services providers?

Sao Paulo leads with 15 company records, followed by Rio De Janeiro (10) and Curitiba (6).

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 196 professional contacts with verified work emails tracked across these 324 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.