Company lists · Data refreshed November 2026

Top 25 On-site corporate clinics worldwide

RevenueBase identified 2,954 company matches for on-site corporate clinics worldwide as of November 2026 and tracks 99,610 professional contacts across them, including 18,826 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for on-site corporate clinics 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 on-site corporate clinics 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
2,954Companies
99,610Contacts tracked
18,826Verified emails
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The 25 largest on-site corporate clinics worldwide

Ranked by team size
Top 25 of 2,954 company matches for on-site corporate clinics 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 matchAddison, TX, United StatesHQ recorded Nov 6, 202610001+7,526 contacts →

Exact match

“WHO WE ARE: Concentra is the leader in occupational health with 40+ years of improving the health of America's workforce, one patient at a time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBrentwood, TN, IndiaHQ recorded Nov 6, 20265,001-10,0003,993 contacts →

Exact match

“We are Premise Health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0002,534 contacts →

Exact match

“Summit Health helps patients with all of their primary care and specialty care needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDoha, QatarHQ recorded Nov 6, 20265,001-10,0002,529 contacts →

Exact match

“Welcome to the page of Primary Health Care Corporation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKøbenhavn Ø, DenmarkHQ recorded Nov 6, 2026n/a1,981 contacts →

Exact match

“Klinik leverer skræddersyet sundhedsordninger til store og små virksomheder.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWoonsocket, RI, United StatesHQ recorded Nov 6, 202610001+1,756 contacts →

Exact match

“With 900+ MinuteClinic medical clinics in local neighborhoods and virtual care options, we’re giving families greater access to quality care every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,749 contacts →

Exact match

“MedExpress Urgent Care is a leader in delivering high-quality, convenient and affordable care for those seeking medical treatment for illness and injury.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 20261,001-5,0001,629 contacts →

Exact match

“Built for America’s builders-our nation’s teachers, public servants, and everyday heroes-Marathon Health delivers better care and outcomes through providers who have the time and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, TX, United StatesHQ recorded Nov 6, 202610001+1,527 contacts →

Exact match

“VillageMD provides high-quality, accessible healthcare services for individuals and communities across the United States, with primary, multi-specialty, and urgent care providers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWarsaw, PolandHQ recorded Nov 6, 20265,001-10,0001,402 contacts →

Exact match

“Medicover Polska – od 30 lat działalność Medicover w Polsce koncentruje się na szerokim zakresie usług od zdrowia po wellbeing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Nov 6, 2026n/a1,348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFort Myers, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,323 contacts →

Exact match

“Founded in Port Charlotte, Florida, in 2008 and headquartered in Fort Myers, Millennium Physician Group (MPG) has grown into one of the nation’s largest comprehensive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0001,268 contacts →

Exact match

“O dr.consulta é uma plataforma de gestão de saúde que nasceu em 2011 com a missão de salvar vidas e transformar o jeito de cuidar das pessoas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchJeddah & Riyadh, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,0001,265 contacts →

Exact match

“My Clinic, a prominent name in the realm of multispecialty outpatient care in Saudi Arabia, was established in 2017 under the stewardship of Nazer Group, a leading healthcare…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,130 contacts →

Exact match

“WellNow Urgent Care is one of the fastest-growing providers of urgent medical care, virtual care, occupational health services and clinical research in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMchenry, SD, United StatesHQ recorded Nov 6, 20261,001-5,0001,121 contacts →

Exact match

“Medcor simplifies the healthcare process for employers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,105 contacts →

Exact match

“Dignity Health Medical Foundation, established in 1990, is a not-for-profit organization providing award-winning, patient-centered health care in a variety of areas, including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 202610001+954 contacts →

Exact match

“Kroger Health, the healthcare division of The Kroger Co, is one of America's leading retail healthcare organizations, serving more than 17 million patients annually.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Clemente, CA, United StatesHQ recorded Nov 6, 20261,001-5,000927 contacts →

Exact match

“Crossover Health is a healthcare service provider that delivers in-person and virtual Advanced Primary Care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000913 contacts →

Exact match

“The Polyclinic is one of the largest, independent multi-specialty clinics in the Puget Sound area, with more than 170 primary care and specialty physicians in most areas of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 20261,001-5,000853 contacts →

Exact match

“The Little Clinic provides high quality, affordable healthcare located in convenient retail settings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,000847 contacts →

Exact match

“Clínica Fares | Saúde de qualidade acessível para todos Com mais de 35 anos de história, a Clínica Fares oferece atendimento humanizado em mais de 40 especialidades médicas, com…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCoppell, TX, United StatesHQ recorded Nov 6, 20261,001-5,000787 contacts →

Exact match

“CareNow® is dedicated to reducing your wait while improving your health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDurham, NC, United StatesHQ recorded Nov 6, 2026501-1,000739 contacts →

Exact match

“FastMed is one of the largest urgent care providers in North Carolina.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 6, 20261,001-5,000670 contacts →

Exact match

“Since Intercare has been guided by a simple purpose: making people feel better.”

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

Showing 25 of 2,954 on-site corporate clinics worldwide

See the full list, filter by size, metro and specialty, and access 18,826 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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On-site corporate clinics worldwide at a glance

As of Nov 6, 2026
18.9%Verified-email coverage
33.7Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,246
11-50
990
51-200
412
201-500
146
501-1,000
52
1,001-5,000
40
5,001-10,000
9
10001+
14

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 on-site corporate clinics are linked below.
What qualifies
Company records worldwide whose business descriptions match “on-site corporate clinics” 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 18,826 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.

On-site corporate clinics by location

11 lists · largest first

Every On-site corporate clinics 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 “on-site corporate clinics”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many on-site corporate clinics are there worldwide?

RevenueBase identified 2,954 company matches for on-site corporate clinics 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?

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

Which country has the most on-site corporate clinics?

The United States leads with 1,170 companies, followed by Brazil (186) and Canada (168). Every on-site corporate clinics list by country and city is linked on this page.

Which city has the most on-site corporate clinics?

London leads with 44 company records, followed by Sao Paulo (35) and New York (25).

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 18,826 professional contacts with verified work emails tracked across these 2,954 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.