Company lists · Data refreshed November 2026

Top 25 On-site occupational health services worldwide

RevenueBase identified 6,644 company matches for on-site occupational health services worldwide as of November 2026 and tracks 103,887 professional contacts across them, including 17,999 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for on-site occupational health services 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 occupational health services 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
6,644Companies
103,887Contacts tracked
17,999Verified emails
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The 25 largest on-site occupational health services worldwide

Ranked by team size
Top 25 of 6,644 company matches for on-site occupational health services 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 matchMadrid, SpainHQ recorded Nov 6, 20265,001-10,0003,834 contacts →

Exact match

“Quirónprevención, perteneciente al Grupo Quirónsalud, es la mayor empresa del sector de la Prevención de Riesgos Laborales a nivel internacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchCuritiba, BrazilHQ recorded Nov 6, 20261,001-5,000882 contacts →

Exact match

“O Imtep faz parte do Grupo 3778, maior companhia de saúde corporativa do Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202610001+831 contacts →

Exact match

“Somos referência em saúde ocupacional e segurança do trabalho no Brasil, com mais de três décadas de experiência e 900 mil vidas assistidas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNieuwegein, NetherlandsHQ recorded Nov 6, 2026501-1,000807 contacts →

Exact match

“Arbo Unie is een groep gedreven professionals in de bedrijfsgezondheidszorg, die organisaties vooruit brengt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,000754 contacts →

Exact match

“Somos un Servicio de Prevención.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGlasgow, United KingdomHQ recorded Nov 6, 20261,001-5,000740 contacts →

Exact match

“As the UK’s leading provider of occupational health and wellbeing services, we have been directly influencing and improving people’s lives for over 75 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHeverlee, BelgiumHQ recorded Nov 6, 20261,001-5,000673 contacts →

Exact match

“How do you keep employees healthy, safe and able to work over the long term?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAmericana, BrazilHQ recorded Nov 6, 2026201-500671 contacts →

Exact match

“Fundada em 1994 na cidade de Americana-SP, no centro Região Metropolitana de Campinas,o Grupo MEDNET Medicina e Segurança do Trabalho dedica-se à prestação de serviços…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMandaluyong, PhilippinesHQ recorded Nov 6, 20261,001-5,000656 contacts →

Exact match

“About ActiveOne Health, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMedellín, ColombiaHQ recorded Nov 6, 2026501-1,000652 contacts →

Exact match

“Somos una IPS especializada en salud ocupacional que presta servicios en Medicina Preventiva y del Trabajo, con calidad, ética y confiabilidad a empresas y particulares, a través…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSuresnes Cedex, FranceHQ recorded Nov 6, 20261,001-5,000571 contacts →

Exact match

“L'ACMS est le plus grand service de santé au travail interentreprises de France.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchZaragoza, SpainHQ recorded Nov 6, 2026501-1,000559 contacts →

Exact match

“We seek to offer a global vision of people's health, beyond their job position.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchValencia, CA, United StatesHQ recorded Nov 6, 20261,001-5,000555 contacts →

Exact match

“CONCENTRA WELCOMES U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSetiabudi, IndonesiaHQ recorded Nov 6, 2026501-1,000554 contacts →

Exact match

“Established in Jakarta, Indonesia in 2003, Tirta Medical Centre (TMC) has continuously expanded its healthcare services to become one of Indonesia’s leading Healthcare Service…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 2026201-500545 contacts →

Exact match

“Wij geloven dat iedereen gelukkiger is als ze lekker aan het werk zijn, iets toevoegen aan de maatschappij, en zichzelf op positieve manier blijven ontwikkelen en uitdagen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLima, PeruHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Pulso Salud: Liderando la transformación de salud en Latinoamérica Pulso Salud es una compañía regional con operaciones en Perú, Chile, México y Argentina, especializada en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOrange, CA, United StatesHQ recorded Nov 6, 2026501-1,000483 contacts →

Exact match

“WorkCare, Inc, a U.S-based occupational health, wellness and absence management company, is part of the APM Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCape Canaveral, FL, United StatesHQ recorded Nov 6, 2026501-1,000475 contacts →

Exact match

“Founded in 1975, Comprehensive Health Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCentennial, CO, United StatesHQ recorded Nov 6, 2026201-500438 contacts →

Exact match

“At Briotix Health, we build relationships with you and your workforce to deliver meaningful results in employee health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNorthampton, United KingdomHQ recorded Nov 6, 2026501-1,000432 contacts →

Exact match

“Medigold Health is one of the UK’s most respected and established providers of occupational health and wellbeing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNieuwegein, NetherlandsHQ recorded Nov 6, 2026201-500428 contacts →

Exact match

“Verzuim is een onderwerp waar u als werkgever, leidinggevende of hr-professional liever niet teveel over nadenkt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 2026501-1,000407 contacts →

Exact match

“Somos una institución líder en salud ocupacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 2026201-500386 contacts →

Exact match

“Founded in 2001, Amphibious Medics has a proven history of providing top-tier standby first aid support in the most challenging environments.”

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

Showing 25 of 6,644 on-site occupational health services worldwide

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On-site occupational health services worldwide at a glance

As of Nov 6, 2026
17.3%Verified-email coverage
15.6Average contacts per company
11-50Median size (employees)
3.7%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,210
11-50
2,380
51-200
709
201-500
147
501-1,000
67
1,001-5,000
29
5,001-10,000
6
10001+
9

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 occupational health services are linked below.
What qualifies
Company records worldwide whose business descriptions match “on-site occupational health services” 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 17,999 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 occupational health services by location

25 lists · largest first

Every On-site occupational health services 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 occupational health services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many on-site occupational health services are there worldwide?

RevenueBase identified 6,644 company matches for on-site occupational health services 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 occupational health services?

Brazil leads with 1,710 companies, followed by the United States (523) and Türkiye (422). Every on-site occupational health services list by country and city is linked on this page.

Which city has the most on-site occupational health services?

Sao Paulo leads with 243 company records, followed by Istanbul (78) and Rio De Janeiro (59).

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 17,999 professional contacts with verified work emails tracked across these 6,644 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.